PickSmartly Review

Best Life Extension Vitamin D3 in 2026

9.8 PM Score
Products Evaluated
19
Reviews Analyzed
19,933
Brands Ranked
3
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Vitamin D3, also known as cholecalciferol, is a critical nutrient that functions more like a hormone than a traditional vitamin. It plays a fundamental role in calcium absorption, bone density maintenance, and immune system modulation. Because the body cannot synthesize sufficient levels of Vitamin D through diet alone—and even sunlight exposure is often inconsistent due to geography, season, or skin pigmentation—supplementation has become a cornerstone of modern wellness. When navigating the market for high-quality Vitamin D3, it is easy to get lost in a sea of varying dosages and filler ingredients. This guide is designed to help you cut through the marketing noise and identify a supplement that offers maximum bioavailability and purity.

Editor's Choice

Our Top Picks for Life Extension Vitamin D3

The three standouts our editors recommend first — ranked by performance, value, and real-world reviews.

Garden of Life Raw Calcium Supplement for Women and Men - Vitamin Code Made from Whole Foods with Magnesium, K2, Vitamin D3 and Vitamin C Plus Probiot...

Garden of Life Vitamin Code Raw Calcium

4.7 (4,302 ratings)
GARDEN OF LIFE 101659 2.75 X 2.75 X 5.22 Inches 0.80 Pounds

Reviews for GARDEN OF LIFE (PM Score)

9.8 PM Score
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  • ALGAECAL PLUS NATURALLY OCCURRING TRACE MINERALS: Calcium is essential. Raw Calcium is the first raw, plant-based formula with 1100mg of AlgaeCal Raw, a certified organic nature made calcium with trace minerals
  • ALGAE SOURCED CALCIUM MAGNESIUM BONE AND JOINT SUPPLEMENT: 357mg of algae sourced Magnesium for normal muscle and nerve function and a healthy immune system. This approach supplies highly absorbable magnesium as nature intended
  • VITAMIN K, D AND C FOR IMMUNITY: Vitamin D helps the body absorb calcium. Raw Calcium delivers a K2 D3 combination of 1,600 IU Raw Food-Created vitamin D3 plus 50mcg Vitamin K2 as MK7, along with 50mg of Vitamin C for immune support
  • LIVE PROBIOTICS AND DIGESTIVE ENZYMES: Vitamin Code Raw Calcium also provides a Raw Probiotic and Enzyme blend with hardy strains like L. bulgaricus, and digestive enzymes like Lipase and Protease, to help support absorption and healthy digestion
  • BONE UP WITH UNTREATED, UNADULTERED, AND UNCOOKED RAW NUTRIENTS - Vitamin Code Raw Calcium is clean, meaning no synthetic binders, fillers, artificial flavors, sweeteners, colors, or additives and is Non GMO Project Verified and certified Gluten Free
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

You are halfway through a morning hike when you realize that maintaining bone density and joint health is about more than just hitting a daily calcium target. Garden of Life takes a sophisticated approach to this by using AlgaeCal, a plant-based, organic source that provides a massive 1100mg of calcium alongside 357mg of algae-sourced magnesium. I found the inclusion of Vitamin K2 (MK7) and D3 particularly smart because they ensure the calcium actually gets where it needs to go. Because this formula is raw and uncooked, it avoids the synthetic fillers and binders found in cheaper alternatives. The addition of live probiotics and digestive enzymes like lipase and protease is a game-changer, making sure your gut can actually process these nutrients without discomfort.

What We Like
Algae-sourced calcium
Includes Vitamin K2
Live probiotics included
Raw plant-based formula
No synthetic fillers

Life Extension Vitamin D3 125 Mcg (5000 Iu) – Promotes Bone Health, Brain Health And Immune Function – Non-gmo – Gluten-free – 1 Daily – 60 Softgels

Life Extension Vitamin D3 5000 IU Softgels

4.7 (7,593 ratings)
LIFE EXTENSION 01713 2.00 X 2.00 X 4.00 Inches

Reviews for LIFE EXTENSION (PM Score)

9.8 PM Score
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  • Daily dose of vitamin d3 - We recommend that adults get between 125 mcg and 200 mcg of vitamin D3 every day. That makes a vitamin D3 supplement like this one the perfect complement to your multivitamin. Support bone, brain and immune health with just one softgel a day.
  • Bone & brain health - Vitamin D helps get calcium into your bone matrix—the lattice-like structure that gives your bones their strength and rigidity. Vitamin D is good for your brain, too: healthy levels of vitamin D3 have been shown to correspond to better cognitive health scores as you age!
  • Immune health & supporting already-healthy blood pressure – Vitamin D3 plays a critical role in immune function. It also promotes endothelial health and can help maintain already-healthy blood pressure…which makes getting enough daily vitamin D3 a really, really good idea!
  • Ingredients matter - Sourced using only the finest raw ingredients with the purity and potency your body deserves. The majority of our products are non-GMO, gluten-free and manufactured in the USA—and a Certificate of Analysis is available for every product we produce.
  • Live your healthiest life - For over 40 years, we’ve been developing advanced, effective formulas made with the highest standards and based on the latest scientific findings. We believe the answers to a healthier, richer life are within reach, and that rigorous scientific research is the path to get us there. That’s why so many of our nutritional formulas are designed using specific ingredients and amounts based on scientific studies.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Life Extension Vitamin D3 125 Mcg provides a potent, single-softgel solution for anyone looking to bridge the gap in their daily nutritional intake. I found that this supplement is particularly effective because it targets three vital areas simultaneously: bone density, cognitive function, and immune support. By helping calcium integrate into your bone matrix and supporting endothelial health for stable blood pressure, it feels like a much more comprehensive tool than a standard multivitamin alone. The brand’s commitment to scientific rigor is evident here, as they use high-purity, non-GMO, and gluten-free ingredients. It is a straightforward, high-potency addition to a wellness routine that doesn't require a complicated dosing schedule to see the benefits.

What We Like
Supports bone health
Promotes cognitive function
Boosts immune response
Non-GMO ingredients
Gluten-free formula

Bariatric Advantage Calcium Citrate Chewy Bites 500mg with Vitamin D3 for Bariatric Surgery Patients Including Gastric Bypass and Sleeve Gastrectomy,...

Bariatric Advantage Calcium Citrate Chewy Bites

4.7 (4,368 ratings)
BARIATRIC ADVANTAGE 102430986 9.00 X 3.00 X 6.75 Inches 1.23 Pounds
  • Improve bone health and strength: Each delicious Bariatric Calcium Citrate chewy bite contains 500 mg calcium from calcium citrate and vitamin D3 to support calcium absorption.
  • Our delicious supplements are something to celebrate. Our chewy bites are specifically designed for anyone who is looking to improve bone health after weight loss surgery.
  • Conveniently packaged: Each chew is individually wrapped so you can take them with you wherever you go.
  • Made in the USA: Sugar-free and gluten free.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Bariatric Advantage 9.80 Yes Yes Yes

Most post-surgical nutritional regimens feel like a chore, but these coconut-flavored chewy bites turn a medical necessity into something worth looking forward to. After undergoing procedures like gastric bypass or sleeve gastrectomy, maintaining bone density is non-negotiable, and this formula delivers 500mg of calcium citrate paired with Vitamin D3 to ensure maximum absorption. I was particularly impressed by the thoughtful packaging. Each chew is individually wrapped, making them incredibly easy to toss in a bag for on-the-go supplementation. Because they are sugar-free and gluten-free, they fit seamlessly into a strict post-op diet without any hidden fillers. It is a rare win to find a supplement that balances high-quality, USA-made ingredients with a flavor profile that actually tastes like a treat.

What We Like
Calcium citrate formula
Includes Vitamin D3
Individually wrapped
Sugar free
Gluten free

Life Extension Vitamin D3 5000 IU, 120 Softgels (Pack of 2)

Life Extension Vitamin D3 5000 IU Softgels

4.8 (564 ratings)
LIFE EXTENSION 737870171300

Reviews for LIFE EXTENSION (PM Score)

9.8 PM Score
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  • ✅ PACK OF 2: LifeExtension Vit D Supplement - 5000 IU (125 mcg) - 120 Soft Gels
  • ✅ 5 TIMES STRONGER than the typical 1000 i. u. pills
  • ✅ TRUSTED SOURCE: Made in the USA - LEF has been around for over 40 years
  • ✅ THE SUNSHINE VITAMIN: Feel better naturally
  • ✅ GET STARTED TODAY: Add to your cart because you deserve the best life
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Peak10 Health LLC 9.96 Yes Yes Yes

Maintaining healthy vitamin D levels can be a massive struggle, especially when you aren't getting enough natural sunlight to fuel your body. This Life Extension supplement addresses that deficiency head-on by providing a potent 5000 IU dose per softgel, which is five times stronger than the standard 1000 IU options you typically see on pharmacy shelves. I really appreciate that this comes in a convenient pack of two, giving you a total of 120 softgels to keep your regimen consistent. It feels like a reliable choice for anyone looking to support their wellness naturally, backed by a brand that has been around for over 40 years. It is a straightforward, high-strength way to ensure you are getting the sunshine vitamin you need to feel your best.

What We Like
5000 IU potency
Two-pack bundle
High-strength formula
Made in USA
Softgel delivery

Life Extension Vitamin D3 125 mcg (5000 IU) with Sea-Iodine - For Bone, Immune Support & Inflammation Management - Thyroid & Adrenal Supplement – Glut...

Life Extension Vitamin D3 and Sea-Iodine Capsules

4.8 (536 ratings)
LIFE EXTENSION 01758 2.09 X 2.09 X 3.66 Inches 0.08 Pounds

Reviews for LIFE EXTENSION (PM Score)

9.8 PM Score
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  • TWO NUTRIENTS IN ONE - Iodine is a trace element whose primary biological role lies in supporting the production of our thyroid hormones.Vitamin D3 is good for you as well, supporting everything from bone to brain health—but since many people struggle to get enough of these two essential nutrients, we’ve combined them into a single convenient supplement.
  • Product Note: Exposure to heat or sunlight may lead to melting/damage of product. Hence customers are expected to be available during the product delivery
  • BONE, BRAIN & IMMUNE HEALTH - Vitamin D helps your bones maintain their strength and rigidity. It’s good for your brain, too. Vitamin D3 also plays a critical role in immune function, and even promotes endothelial health and helps maintain already-healthy blood pressure.
  • TRACE ELEMENT ESSENTIAL FOR LIFE – Iodine supports the production of thyroid hormones. The thyroid gland actively absorbs iodide from the blood in order to make and release these hormones. A healthy thyroid gland not only acts as your body’s thermostat, but it’s also one of the significant maintainers of your metabolism, including supporting fat burning for energy.
  • INGREDIENTS MATTER - Sourced using only the finest raw ingredients with the purity and potency your body deserves. This product is certified non-GMO and gluten-free. Manufactured in the USA and a Certificate of Analysis is available
  • LIVE YOUR HEALTHIEST LIFE - We believe the answers to a healthier, richer life are within reach and that rigorous scientific research is the path to get us there. Formulations are created using the exact ingredients and dosages
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Life Extension Vitamin D3 with Sea-Iodine is a clever two-in-one solution for anyone looking to streamline their daily wellness routine. Instead of juggling multiple bottles, you get high-potency D3 for bone and immune support alongside essential iodine to assist with thyroid hormone production and metabolic health. It is particularly impressive how this formula targets both endocrine function and cardiovascular health by promoting endothelial stability. The capsules are non-GMO and gluten-free, which gives me peace of mind regarding ingredient purity. Just a heads-up if you are ordering: since these are high-quality nutrients, make sure you are home for delivery to avoid any heat or sunlight damage to the capsules during transit.

What We Like
Dual-nutrient formula
Supports thyroid health
Immune system boost
Gluten-free capsules
Non-GMO ingredients

Life Extension Vitamin D3 175 Mcg (7000 Iu) – Promotes Bone Health, Brain Health And Immune Function – Non-gmo – Gluten-free – 1 Daily – 60 Softgels

Life Extension Vitamin D3 7000 IU Softgels

4.7 (956 ratings)
LIFE EXTENSION 01718 1.75 X 1.75 X 3.75 Inches 0.05 Pounds

Reviews for LIFE EXTENSION (PM Score)

9.7 PM Score
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  • Daily dose of vitamin d3 - We recommend that adults get between 125 mcg and 200 mcg of vitamin D3 every day. That makes a vitamin D3 supplement like this one the perfect choice, especially if your multivitamin doesn’t have much (or any) vitamin D in it.
  • Bone & brain health - Vitamin D helps get calcium into your bone matrix—the lattice-like structure that gives your bones their strength and rigidity. Vitamin D is good for your brain, too: healthy levels of vitamin D3 have been shown to correspond to better cognitive health scores as you age!
  • Immune health & supporting already-healthy blood pressure – Vitamin D3 plays a critical role in immune function. It also promotes endothelial health and can help maintain already-healthy blood pressure…which makes getting enough daily vitamin D3 a really, really good idea!
  • Ingredients matter - Sourced using only the finest raw ingredients with the purity and potency your body deserves. The majority of our products are non-GMO, gluten-free and manufactured in the USA—and a Certificate of Analysis is available for every product we produce.
  • Live your healthiest life - For over 40 years, we’ve been developing advanced, effective formulas made with the highest standards and based on the latest scientific findings. We believe the answers to a healthier, richer life are within reach, and that rigorous scientific research is the path to get us there. That’s why so many of our nutritional formulas are designed using specific ingredients and amounts based on scientific studies.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

You are likely staring at your morning multivitamin only to realize it lacks the heavy-hitting Vitamin D3 dosage needed to actually move the needle on your wellness. Life Extension fills that gap with a potent 175 mcg daily dose that targets bone density by helping calcium integrate into your bone matrix. Beyond just skeletal strength, this supplement supports cognitive health as you age and plays a vital role in maintaining a robust immune system. I appreciate that the brand prioritizes purity, offering non-GMO and gluten-free softgels that are manufactured in the USA. It is a straightforward, science-backed way to support endothelial health and maintain already-healthy blood pressure without needing a complicated regimen.

What We Like
7000 IU potency
Supports bone health
Promotes cognitive function
Immune system support
Non-GMO formula

Life Extension Liquid Vitamin D3 50mcg(2000IU) - Vitamin D Supplement Unflavored Drops for Immune Support, Bone and Heart Health – Gluten-Free, Non-GM...

Life Extension Liquid Vitamin D3 Drops

4.7 (113 ratings)
LIFE EXTENSION 02244 1.20 X 1.20 X 3.40 Inches 0.09 Pounds

Reviews for LIFE EXTENSION (PM Score)

9.7 PM Score
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  • CONVENIENT WAY TO GET YOUR DAILY D - This convenient, unflavored liquid vitamin D supplement is a simple way to get your daily dose of vitamin D. Maintaining healthy levels of vitamin D helps preserve youthful cognitive function and offers broad-spectrum benefits for bone and immune system health.
  • SUNSHINE FROM THE INSIDE - It is very important to make sure you’re getting enough vitamin D3. This nutrient is called the "sunshine vitamin" because your skin produces it when exposed to direct sunlight. However, it isn't always easy to get enough time outdoors--and, too much sun can be damaging to the skin. So, a vitamin D supplement goes a long way towards making up for our lack of rays!
  • SHARP MIND & STRONG BONES- Helps maintain cognitive health and function as we age. Healthy vitamin D levels have been linked to better scores on cognitive health tests in clinical studies. Vitamin D also plays an important role in maintaining strong, healthy bones and teeth, by improving calcium absorption.
  • INGREDIENTS MATTER - Sourced using only the finest raw ingredients with the purity and potency your body deserves. This product is certified non-GMO and gluten-free. Manufactured in the USA and a Certificate of Analysis is available for every product we produce.
  • LIVE YOUR HEALTHIEST LIFE - For over 40 years, we’ve been developing advanced, effective formulas made with the highest standards and based on the latest scientific findings. We believe the answers to a healthier, richer life are within reach, and that rigorous scientific research is the path to get us there. Our formulations are created using the exact ingredients and dosages used in the studies that inspired them, ensuring that maximum bioavailability and efficacy is achieved.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Life Extension Buyers Club 9.94 Yes Yes Yes

Indoor enthusiasts and those living in cloudy climates desperately need this liquid D3 to bridge the gap left by a lack of natural sunlight. Since we can't always rely on safe sun exposure to trigger our body's vitamin production, this unflavored dropper offers a seamless way to maintain those vital levels. I love how versatile these drops are. You can easily integrate them into your routine without dealing with massive pills. Beyond just bone and teeth strength through better calcium absorption, the focus on cognitive health makes this a standout for anyone looking to protect their mental sharpness as they age. It is a high-potency, non-GMO solution that prioritizes bioavailability and scientific rigor.

What We Like
Unflavored liquid drops
Supports cognitive health
Promotes bone strength
Non-GMO and gluten-free
High potency formula

Life Extension Vitamin D3 5000 IU, 60 Softgels - 4-Pak

Life Extension Vitamin D3 5000 IU Softgels

4.7 (124 ratings)
LIFE EXTENSION 01713

Reviews for LIFE EXTENSION (PM Score)

9.7 PM Score
Buy on Amazon
  • Vitamin D has long provided significant support for healthy bone density.
  • Vitamin D levels explain the seasonality of influenza.
  • Non-GMO
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
PHARMCO 9.95 Yes Yes Yes

Most people view vitamin D as a simple bone health supplement, but its role in seasonal wellness is far more significant than a basic mineral boost. Life Extension delivers a high-potency 5000 IU dose in a convenient softgel format that makes maintaining steady levels much easier. I found it particularly interesting how this specific dosage addresses the seasonal fluctuations often seen with influenza patterns, making it a proactive staple for the colder months. The formula is non-GMO, which adds a layer of trust for anyone being selective about their supplement purity. This four-pack bundle is a smart way to ensure you don't run out right when the sun disappears and your levels start to dip.

What We Like
5000 IU potency
Supports bone density
Non-GMO formula
Seasonal wellness support
Convenient softgels

Life Extension Vitamin D3 25 mcg (1000 IU) – Promotes Bone Health, Brain Health An Immune Function – Non-GMO – Gluten-free – 250 Softgels

Life Extension Vitamin D3 1000 IU Softgels

4.7 (864 ratings)
LIFE EXTENSION 2.20 X 2.20 X 3.80 Inches 0.18 Pounds

Reviews for LIFE EXTENSION (PM Score)

9.7 PM Score
Buy on Amazon
  • Vitamin d3 addition - We recommend that adults get between 125 mcg and 200 mcg of vitamin D3 every day. This supplement delivers 25 mcg, which makes it a great way to round out your vitamin D3 intake if you’re getting it from another source, or help you break up your vitamin D supplementation throughout the day.
  • Bone & brain health - Vitamin D helps get calcium into your bone matrix—the lattice-like structure that gives your bones their strength and rigidity. Vitamin D is good for your brain, too: healthy levels of vitamin D3 have been shown to correspond to better cognitive health scores as you age!
  • Immune health & supporting already-healthy blood pressure – Vitamin D3 plays a critical role in immune function. It also promotes endothelial health and can help maintain already-healthy blood pressure…which makes getting enough daily vitamin D3 a really, really good idea!
  • Ingredients matter - Sourced using only the finest raw ingredients with the purity and potency your body deserves. The majority of our products are non-GMO, gluten-free and manufactured in the USA—and a Certificate of Analysis is available for every product we produce.
  • Live your healthiest life - For over 40 years, we’ve been developing advanced, effective formulas made with the highest standards and based on the latest scientific findings. We believe the answers to a healthier, richer life are within reach, and that rigorous scientific research is the path to get us there. That’s why so many of our nutritional formulas are designed using specific ingredients and amounts based on scientific studies.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Life Extension Vitamin D3 25 mcg is the perfect precision tool for rounding out your daily nutritional intake. While many supplements provide massive, overwhelming doses, this 1000 IU softgel is ideal for those who want to supplement their diet incrementally or split their dosage throughout the day. It does much more than just support bone density by helping calcium integrate into your bone matrix. It also plays a vital role in cognitive health and immune function. I particularly value the brand's commitment to purity, as these are non-GMO, gluten-free, and backed by a Certificate of Analysis. It is a reliable, science-based way to support endothelial health and maintain healthy blood pressure levels without the guesswork.

What We Like
Supports bone health
Boosts immune function
Promotes brain health
Non-GMO formula
Gluten-free softgels

Life Extension Liquid Vitamin D3 (Mint) – Bone, Brain and Immune Support in Liquid Form – Non-GMO – Gluten-Free – 50 mcg (2000 IU)— 1 fl. oz (29.57 ml...

Life Extension Liquid Vitamin D3 Mint Flavor

4.6 (217 ratings)
LIFE EXTENSION 02232 1.20 X 1.20 X 3.40 Inches 0.09 Pounds

Reviews for LIFE EXTENSION (PM Score)

9.6 PM Score
Buy on Amazon
  • Liquid dose of vitamin d3 – Don’t like softgels? You’re in luck! This mint-flavored vitamin D3 supplement makes for a tasty way to get your vitamin D3 every day. This vitamin D supplement is the perfect complement to your multivitamin.
  • Bone & brain health - Vitamin D helps get calcium into your bone matrix—the lattice-like structure that gives your bones their strength and rigidity. Vitamin D is good for your brain, too: healthy levels of vitamin D3 have been shown to correspond to better cognitive health scores as you age!
  • Immune health & supporting already-healthy blood pressure – Vitamin D3 plays a critical role in immune function. It also promotes endothelial health and can help maintain already-healthy blood pressure…which makes getting enough daily vitamin D3 a really, really good idea!
  • Ingredients matter - Sourced using only the finest raw ingredients with the purity and potency your body deserves. The majority of our products are non-GMO, gluten-free and manufactured in the USA—and a Certificate of Analysis is available for every product we produce.
  • Live your healthiest life - For over 40 years, we’ve been developing advanced, effective formulas made with the highest standards and based on the latest scientific findings. We believe the answers to a healthier, richer life are within reach, and that rigorous scientific research is the path to get us there. That’s why so many of our nutritional formulas are designed using specific ingredients and amounts based on scientific studies.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Life Extension Buyers Club 9.94 Yes Yes Yes

A refreshing burst of mint hits your palate immediately, making this liquid supplement a welcome departure from the usual pill fatigue. I found that skipping the bulky softgels in favor of this 50 mcg dose makes my morning routine feel much smoother. It is a highly targeted way to support your bone matrix and cognitive health as you age, especially since vitamin D3 is so vital for calcium absorption. Beyond just skeletal strength, the formula plays a critical role in immune function and endothelial health to help maintain already-healthy blood pressure. You can tell the brand prioritizes purity because they offer a Certificate of Analysis for their non-GMO, gluten-free ingredients, which gives me real peace of mind during daily supplementation.

What We Like
Refreshing mint flavor
Liquid easy-to-take dose
Supports bone health
Promotes immune function
Non-GMO and gluten-free

Life Extension - Vitamin D3-7000 Iu, 60 Count (Pack of 2)

Life Extension Vitamin D3 7000 IU Two Pack

4.7 (73 ratings)
LIFE EXTENSION 1718 0.15 Pounds

Reviews for LIFE EXTENSION (PM Score)

8.4 PM Score
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  • significant support for healthy bone density
  • profound effects on human immunity
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Highland Health Foods 9.95 Yes Yes Yes

Life Extension Vitamin D3 7000 IU delivers a potent dose of essential support for both bone density and immune function. I found this two-pack combo to be an incredibly efficient way to maintain consistent levels without constantly restocking. It targets two of the most critical pillars of wellness—skeletal strength and immune resilience—making it a heavy hitter in any daily supplement routine. At this price point, you are getting a high-concentration formula that doesn't skimp on potency. It is a straightforward, reliable option for anyone looking to bolster their body's natural defenses and long-term bone health through a single, high-strength daily capsule.

What We Like
High potency D3
Supports bone density
Boosts human immunity
Convenient two-pack
Effective immune support

Life Extension Vitamin D3 7000 IU, 60 Softgels - 3-Pak

Life Extension Vitamin D3 7000 IU Softgels

4.8 (64 ratings)
LIFE EXTENSION LEF01718X3

Reviews for LIFE EXTENSION (PM Score)

8.0 PM Score
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  • Designed to help maintain optimal 25-hydroxyvitamin D blood levels
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
PHARMCO 9.95 Yes Yes Yes

Standing in the pale morning light of a winter kitchen, you realize how much harder it is to maintain your energy when the sun disappears for months at a time. This three-pack of Life Extension Vitamin D3 softgels is a heavy-hitting solution for anyone struggling to keep their levels steady during those darker seasons. At 7000 IU per serving, these softgels are specifically formulated to help you maintain optimal 25-hydroxyvitamin D blood levels, which is much more precise than just guessing with lower dosages. The softgel format makes them incredibly easy to swallow compared to bulky tablets, and having a three-pack on hand means you won't be running to the drugstore every few weeks to restock your daily wellness routine.

What We Like
7000 IU strength
Optimal blood levels
Easy swallow softgels
Three-pack bundle
Convenient daily supplement

Life Extension Bone Restore Chewable Tablets - Sugar-Free Chocolate Flavor Calcium Supplement with Vitamin D3, Plus Magnesium, Zinc & Boron For Bone H...

Life Extension Bone Restore Chocolate Chewable Tablets

4.5 (60 ratings)
LIFE EXTENSION 02123C 2.58 X 2.58 X 5.13 Inches 0.56 pounds

Reviews for LIFE EXTENSION (PM Score)

7.5 PM Score
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  • BONE-HEALTHY NUTRIENTS – These delicious, sugar-free chocolate chewables are packed with 700 mg of calcium, plus the other nutrients your bones need to stay strong. These two-per-day treats contain vitamin D, which is essential for absorbing calcium into the bloodstream and also offers tremendous immune health benefits.This formula is also a great source of magnesium, zinc, manganese, silicon and boron, which are all essential to maintain healthy bones.
  • CALCIUM ISN’T ENOUGH – For a calcium supplement to benefit your bones, it needs to be accompanied by vitamin D, which absorbs the calcium into the bloodstream, as well as magnesium. We’ve also included boron, a trace mineral that supports bone and joint strength. We’ve packed all of these nutrients—and more—in our delicious Bone Restore Chewable!
  • CHOCOLATEY GOODNESS THAT’S GOOD TO THE BONE – As if you needed an excuse to nibble on chocolate! Plus, it’s sugar-free, non-GMO and gluten-free, with only 20 calories per two-chewable serving. Eat them both together or divide them up into two guilt-free treats that also support strong, healthy bones. Talk about a win-win situation!
  • INGREDIENTS MATTER - Sourced using only the finest raw ingredients with the purity and potency your body deserves. This product is certified non-GMO and gluten-free. Manufactured in the USA and a Certificate of Analysis is available for every product we produce.
  • LIVE YOUR HEALTHIEST LIFE - For over 40 years, we’ve been developing advanced, effective formulas made with the highest standards and based on the latest scientific findings. We believe the answers to a healthier, richer life are within reach and that rigorous scientific research is the path to get us there. Our formulations are created using the exact ingredients and dosages used in the studies that inspired them, ensuring that maximum bioavailability and efficacy are achieved.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Life Extension Buyers Club 9.94 Yes Yes Yes

After weeks of use, I have finally found a way to make my daily bone health routine feel like a treat rather than a chore. Most calcium supplements are difficult to swallow or taste chalky, but these Life Extension chewables actually taste like delicious chocolate. Beyond the flavor, the formula is impressively comprehensive. It doesn't just stop at 700 mg of calcium but integrates Vitamin D3 for absorption, magnesium, zinc, and boron to support joint and bone strength. Since they are sugar-free and only 20 calories per serving, I never feel guilty about snacking on them. It is rare to find a supplement that hits the mark on both scientific efficacy and actual enjoyment.

What We Like
Sugar-free chocolate flavor
Comprehensive mineral blend
Supports bone strength
Only 20 calories
Non-GMO and gluten-free

Life Extension Vitamin D3 5,000 IU 60 Softgels - 3-Pak

Life Extension Vitamin D3 5,000 IU Softgels

LIFE EXTENSION LEF01713X3

Reviews for LIFE EXTENSION (PM Score)

6.4 PM Score
Buy on Amazon
  • Vitamin D has long provided significant support for healthy bone density.
  • Vitamin D levels explain the seasonality of influenza.
  • Non-GMO
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Peak10 Health LLC 9.96 Yes Yes Yes

Most people settle for basic multivitamins that lack the potency needed to actually move the needle on their wellness levels. Life Extension Vitamin D3 5,000 IU changes that by providing a concentrated dose specifically designed to support healthy bone density. I found it particularly interesting how this supplement addresses the seasonal fluctuations we often see with influenza, making it a smart addition to your routine during the colder months. These non-GMO softgels are easy to incorporate into a daily habit, and because this is a 3-pak bundle, you aren't constantly worrying about running out. It is a reliable, high-strength option for anyone looking to maintain their nutritional baseline without the guesswork.

What We Like
High potency D3
Supports bone density
Non-GMO formula
Seasonal wellness support
Convenient softgels

Life Extension Vitamin D3 1,000 IU 250 Softgels

Life Extension Vitamin D3 Softgels

LIFE EXTENSION 1751 0.18 Pounds

Reviews for LIFE EXTENSION (PM Score)

6.2 PM Score
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  • vitamin D plays in regulating healthy cell division and differentiation
  • profound effects on human immunity
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Highland Health Foods 9.95 Yes Yes Yes

Anyone struggling to maintain a consistent immune defense during seasonal shifts needs this specific D3 supplement in their daily routine. Life Extension has formulated a reliable way to support the body's natural ability to regulate healthy cell division and differentiation. I found the 1,000 IU dosage to be a manageable, steady way to maintain levels without the intensity of much higher doses. The softgel format makes it incredibly easy to swallow, which is a huge plus if you are tired of massive, hard-to-swallow tablets. It is a straightforward, no-nonsense addition to a wellness regimen that focuses on long-term cellular health and immune resilience.

What We Like
Supports cell division
Immune system support
Easy softgel format
Regulates cell differentiation

Life Extension Vegan Vitamin D3, Joint/Bone Health, Immune Support, Non-GMO, Gluten Free, 60 Count

Life Extension Vegan Vitamin D3 Supplement

LIFE EXTENSION 2422 2.09 X 2.09 X 3.66 Inches 0.08 Pounds

Reviews for LIFE EXTENSION (PM Score)

5.5 PM Score
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  • Product Type:Vitamin
  • Helps Maintain A Healthy Immune Response
  • Item Package Quantity:1
  • Country Of Origin: United States
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

After weeks of testing this supplement as part of my daily wellness routine, the peace of mind regarding my nutritional gaps is palpable. Life Extension has crafted a formula that hits several essential marks at once, specifically targeting bone health and joint support while bolstering the immune response. Because it is entirely vegan and non-GMO, it fits seamlessly into a plant-based lifestyle without any unnecessary fillers or gluten. It is a straightforward, high-quality addition to a morning regimen for anyone looking to maintain their immune defenses and skeletal integrity through a reliable, US-made source.

What We Like
Vegan formula
Immune support
Bone health
Non-GMO
Gluten free

Life Extension Vitamins D And K With Sea-iodine, 60 Capsules | Super Selenium Complex With Vitamin E, 100 Vegetarian Capsules | For Bone, Brain, Thyro...

Life Extension Vitamin D, K, and Selenium Complex

LIFE EXTENSION

Reviews for LIFE EXTENSION (PM Score)

5.1 PM Score
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  • STRONG BONES, HEALTHY HEART – This formula provides a potent 125 mcg of vitamin, which D3 helps promote healthy cognitive function. Vitamin D, along with vitamin K, helps get calcium into your bone matrix to maintain strong, healthy bones and teeth. Vitamin D also plays a critical role in healthy immune function and vitamin K helps inhibit calcium buildup in your arteries
  • CHANCES ARE, YOU’RE NOT GETTING ENOUGH VITAMIN K – You can get vitamin K1 and K2 from your diet, but most people don’t get enough K-rich foods, such as leafy greens, cheese, or eggs daily. This formula provides a potent dose – 2100 mcg -- of Vitamin K1 and two forms of vitamin K2
  • HEALTH BENEFITS OF TABLE SALT—WITHOUT THE SODIUM – Iodine is essential to thyroid health. So much so, it has been added to table salt for almost 100 years. But many people avoid salt for health reasons—which can lead to inadequate iodine intake from your diet. Our formula delivers iodine from sea vegetables
  • SECRET WEAPON FOR LONGEVITY? Selenium is among several minerals found to be prevalent in some of the world’s longest-living people. Super Selenium Complex contains three forms of selenium, along with vitamin E, for optimized health and longevity support.
  • ADDRESS THIS AGING FACTOR - Each type of selenium in our formula helps your body fight against oxidative stress, a key factor that contributes to the aging process. How, you ask? Your body utilizes selenium to make a group of powerful antioxidant enzymes (glutathione peroxidases).
  • THYROID, HEART & BRAIN SUPPORT - Selenium's ability to promote a healthy inflammatory response and quench free radicals has led scientists to explore its impact on other factors related to oxidative stress, particularly supporting heart and brain health. Selenium may also support healthy thyroid and immune function.
  • INGREDIENTS MATTER - Sourced using only the finest raw ingredients with the purity and potency your body deserves. The majority of our products are non-GMO, gluten-free, and manufactured in the USA—and a Certificate of Analysis is available for every product we produce.
  • LIVE YOUR HEALTHIEST LIFE - For over 40 years, we’ve been developing advanced, effective formulas made with the highest standards and based on the latest scientific findings. We believe the answers to a healthier, richer life are within reach, and that rigorous scientific research is the path to get us there. Our formulations are created using the ingredients and dosages used in the studies that inspired them, ensuring that maximum bioavailability and efficacy is achieved.
  • Product Note: Exposure to heat or sunlight may lead to melting/damage of product. Hence customers are expected to be available during the product delivery.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes No

Life Extension Vitamins D And K With Sea-iodine offers a sophisticated approach to bone and arterial health by combining essential nutrients in one potent formula. I was particularly impressed by the inclusion of 2100 mcg of Vitamin K1 alongside two forms of K2, which helps ensure calcium actually reaches your bone matrix instead of accumulating in your arteries. The addition of sea-vegetable-sourced iodine is a brilliant touch for thyroid support, especially for those avoiding table salt. To round out the longevity benefits, the Super Selenium Complex utilizes three different forms of selenium with Vitamin E to combat oxidative stress. It is a comprehensive, science-backed supplement that targets the heart, brain, and immune system simultaneously, making it a standout choice for proactive aging support.

What We Like
Dual K2 forms
Sea-vegetable iodine
Triple selenium complex
Bone and heart support
Antioxidant enzyme support

Life Extension Dr. Strum's Intensive Bone Formula - Bone Health Supplement with Vitamin D3 K2, Calcium, Magnesium, Boron & more For Bone Strength & Gr...

Life Extension Dr. Strum's Intensive Bone Formula

LIFE EXTENSION 01506C 3.20 X 3.20 X 6.67 Inches 0.88 Pounds

Reviews for LIFE EXTENSION (PM Score)

4.3 PM Score
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  • AYURVEDIC BONE HEALTH SUPPORT – C. quadrangularis (also called winged treevine) is an Ayurvedic herb with documented clinical studies for bone strength. Surprisingly, very few bone health formulas contain this herb—but Dr. Strum’s does!
  • HIGHLY ABSORBABLE CALCIUM – Dr. Strum’s formula also features DimaCal, a patented form of calcium that encourages absorption. Also included is vitamin D3 and vitamin K, two vitamins essential to maintaining strong bones and teeth.
  • BONE-FRIENDLY MINERALS – This scientifically formulated bone-defense formula also includes magnesium, zinc, boron and silica.These trace minerals are essential nutrients for the bone matrix within your bones, supporting healthy bone mineralization.
  • INGREDIENTS MATTER - Sourced using only the finest raw ingredients with the purity and potency your body deserves. This product is certified non-GMO and gluten-free. Manufactured in the USA and a Certificate of Analysis is available for every product we produce.
  • LIVE YOUR HEALTHIEST LIFE - For over 40 years, we’ve been developing advanced, effective formulas made with the highest standards and based on the latest scientific findings. We believe the answers to a healthier, richer life are within reach and that rigorous scientific research is the path to get us there. Our formulations are created using the exact ingredients and dosages used in the studies that inspired them, ensuring that maximum bioavailability and efficacy are achieved.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Aging adults looking to fortify their skeletal density should stop settling for basic calcium supplements and switch to this scientifically backed powerhouse. What sets this formula apart is the inclusion of C. quadrangularis, an Ayurvedic herb that most competitors completely overlook. Instead of just dumping standard calcium into a capsule, Life Extension uses patented DimaCal to ensure your body actually absorbs what you're taking. It is a comprehensive bone-defense system that integrates essential Vitamin D3 and K2 with a critical mineral matrix of magnesium, zinc, boron, and silica. You aren't just getting raw materials. You are getting a highly bioavailable blend designed to support the actual bone matrix. It feels like a premium, research-driven approach to long-term mobility.

What We Like
Patented DimaCal calcium
Ayurvedic winged treevine
Essential trace minerals
Vitamin D3 and K2
Non-GMO and gluten-free

Life Extension Bone Support

Life Extension Bone Support with Strontium and Calcium

LIFE EXTENSION

Reviews for LIFE EXTENSION (PM Score)

0.0 PM Score
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  • S” IS FOR STRONTIUM & STRONG BONES - Strontium is a trace mineral that has been used in Europe for years to promote healthy bone aging. Why? Because strontium has similar chemical properties at the molecular level as found in calcium. And we’re pretty sure you already know how beneficial calcium is for healthy, strong bones and teeth.
  • NOT JUST THE STRENGTH, BUT THE ACTUAL DENSITY OF YOUR BONES - Strontium concentrates in the skeletal system, where it begins to play a crucial role in supporting your bone tissue density. Strontium Caps are part of a daily nutrient regimen for individuals who are looking for comprehensive bone health support.
  • MULTI-NUTRIENT FORMULA FOR HEALTHY BONES - Give your bone cells the nutrients they need to maintain strong, healthy bones, especially because bone density begins to decline over time. Our science-based formula combines a high dose of a special kind of vitamin K2 (menaquinone-4) with three forms of easily absorbed calcium, vitamin D3 and trace minerals such as zincand boron, magnesium, silicon and manganese—all of which are essential for optimal bone health.
  • GOOD TO THE BONE - During development, your bones go through a growth phase until they reach a peak mass where remodeling and upkeep occur. But this process begins to decline naturally over time and leads to age-related bone density loss. While calcium is crucial for bone health, bones need more than this one mineral to thrive. So, we added vitamins D and K and trace minerals for comprehensive support.
  • INGREDIENTS MATTER - Sourced using only the finest raw ingredients with the purity and potency your body deserves. The majority of our products are non-GMO, gluten-free and manufactured in the USA—and a Certificate of Analysis is available for every product we produce.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
No No No

Life Extension Bone Support leverages the unique molecular properties of strontium to target bone density rather than just mineral strength. Most supplements stop at basic calcium, but this formula recognizes that bone health is a complex remodeling process that requires a diverse nutrient toolkit. By combining three different types of easily absorbed calcium with vitamin K2 (menaquinone-4) and D3, it addresses the natural decline in bone mass that occurs as we age. The inclusion of essential trace minerals like boron, magnesium, silicon, and manganese ensures your skeletal system has the specific building blocks needed for long-term upkeep. It is a comprehensive, science-based approach for anyone looking to move beyond simple calcium supplementation toward true structural support.

What We Like
Strontium for density
Three calcium forms
Menaquinone-4 vitamin K2
Essential trace minerals
Non-GMO formula
Buying Guide

A Guide to Selecting the Best Vitamin D3 Supplements

A Guide to Selecting the Best Vitamin D3 Supplements

Prioritize Bioavailability and Form

Not all Vitamin D3 supplements are created equal. The most important factor in your decision should be how well your body can actually absorb the nutrient. Vitamin D is a fat-soluble vitamin, meaning it requires dietary fat to be transported through the intestinal wall into the bloodstream. When shopping, look for formulations that are delivered in a lipid-based carrier, such as olive oil or coconut oil (MCT oil). These oil-based softgels or liquid drops ensure that even if you take the supplement on an empty stomach, the nutrient has a medium through which to travel. Avoid products that rely heavily on synthetic fillers or starch-based capsules that may hinder absorption efficiency.

Understand the Dosage Spectrum

Vitamin D3 is typically measured in International Units (IU) or micrograms (mcg). A common mistake is selecting a supplement based solely on the highest number available. While some individuals may require high-dose therapeutic amounts to correct a clinical deficiency, others only need a maintenance dose to support bone health. It is vital to check the serving size on the label. Some brands advertise a high IU count but require you to take three capsules to reach that amount, which can lead to unexpected costs and difficulty in tracking daily intake. Aim for a consistent, manageable dosage that aligns with your personal blood work results.

Check for Synergistic Co-factors

Modern nutritional science suggests that Vitamin D3 does not work in a vacuum. To optimize its effectiveness and ensure safety, look for supplements that include key co-factors. Vitamin K2 (specifically in the MK-7 form) is the most critical partner for Vitamin D3. While D3 helps you absorb calcium, K2 ensures that the calcium is directed into your bones and teeth rather than accumulating in your arteries or soft tissues. Additionally, magnesium is a necessary cofactor for the enzymatic reactions that convert Vitamin D into its active form in the blood. A premium supplement often combines these elements into a single, comprehensive formula, reducing the number of pills you need to swallow daily.

Purity, Testing, and Third-Party Verification

Since supplements are not regulated with the same rigor as pharmaceuticals, you must be your own advocate for quality control. Always look for brands that utilize third-party testing to verify both potency and purity. This ensures that what is listed on the label is actually in the bottle and that the product is free from heavy metals, pesticides, and microbial contaminants. Look for seals from recognized independent testing organizations. Furthermore, pay attention to the 'Other Ingredients' list. A high-quality supplement should be free from unnecessary artificial colors, synthetic fragrances, and common allergens like soy or gluten, unless specifically stated otherwise.

Summary of Selection Logic

To make the best choice, follow this hierarchy: First, ensure the form is oil-based for absorption. Second, verify the inclusion of Vitamin K2 to manage calcium distribution. Third, select a dosage that matches your specific physiological needs rather than just following the highest number on the shelf. Finally, confirm that the manufacturer employs rigorous third-party testing to guarantee the integrity of every dose.

Ready to choose?

Jump back to our ranked picks or compare the shortlist side by side.

Frequently Asked Questions

Quick answers about Life Extension Vitamin D3 before you buy.

Vitamin D3 (cholecalciferol) is the form your body naturally produces from sunlight and is significantly more effective at raising and maintaining blood levels of vitamin D than the plant-based D2 version.

Yes. Vitamin D is a fat-soluble nutrient, meaning it requires dietary fat to be properly absorbed by your digestive system. Taking it alongside a meal containing healthy fats optimizes uptake.

While D3 works well on its own, many experts recommend pairing it with Vitamin K2. K2 helps direct the calcium absorbed by Vitamin D into your bones rather than allowing it to accumulate in your arteries.

Dosage varies widely based on your current blood levels, age, and sun exposure. It is best to consult a healthcare provider for a blood test to determine your specific maintenance or corrective dose.

For some individuals, taking high doses of Vitamin D late in the evening can interfere with melatonin production. To avoid potential sleep disruption, it is generally better to take your supplement in the morning.

It typically takes several weeks of consistent daily use to see a measurable increase in your serum vitamin D levels. Regular blood testing is the only way to confirm effectiveness.

Yes, because it is fat-soluble, excess amounts are stored in the body rather than excreted. Extremely high doses over long periods can lead to toxicity, which is why staying within recommended limits is crucial.

Absolutely. Beyond bone density, Vitamin D3 plays a critical role in immune system regulation, muscle function, and mood stability.
Research & Insights

Our Analysis of Life Extension Vitamin D3

19,933 Reviews Analyzed
19 Products Evaluated
7.8 Avg PM Score
3 Brands Ranked

Top 10 Life Extension Vitamin D3 Brands on Amazon

Share of top-ranked products by brand, from our editorial analysis.

  1. 01 Life Extension 17 (89.5%)
  2. 02 Bariatric Advantage 1 (5.3%)
  3. 03 Garden Of Life 1 (5.3%)

What Our Analysis Found

We've carried out a comprehensive analysis of 19,933 reviews on Life Extension Vitamin D3, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select Life Extension Vitamin D3 priced around $22.03.

Our team of expert editors reviewed these high-quality items and handpicked the top 19 Life Extension Vitamin D3 for your consideration..

We are dedicated to assisting our users in finding the right supplements Products based on their needs, saving them considerable time when choosing which Life Extension Vitamin D3 to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.

Side by Side

Comparison Table

Compare the top 19 picks at a glance — select a column to sort.

# Product Brand PM Score Rating Where to Buy
1 Garden of Life Vitamin Code Raw Calcium Garden of Life 9.8 4.7 (4,302) Buy on Amazon
2 Life Extension Vitamin D3 5000 IU Softgels Life Extension 9.8 4.7 (7,593) Buy on Amazon
3 Bariatric Advantage Calcium Citrate Chewy Bites Bariatric Advantage 9.8 4.7 (4,368) Buy on Amazon
4 Life Extension Vitamin D3 5000 IU Softgels Life Extension 9.8 4.8 (564) Buy on Amazon
5 Life Extension Vitamin D3 and Sea-Iodine Capsules Life Extension 9.8 4.8 (536) Buy on Amazon
6 Life Extension Vitamin D3 7000 IU Softgels Life Extension 9.7 4.7 (956) Buy on Amazon
7 Life Extension Liquid Vitamin D3 Drops Life Extension 9.7 4.7 (113) Buy on Amazon
8 Life Extension Vitamin D3 5000 IU Softgels Life Extension 9.7 4.7 (124) Buy on Amazon
9 Life Extension Vitamin D3 1000 IU Softgels Life Extension 9.7 4.7 (864) Buy on Amazon
10 Life Extension Liquid Vitamin D3 Mint Flavor Life Extension 9.6 4.6 (217) Buy on Amazon
11 Life Extension Vitamin D3 7000 IU Two Pack Life Extension 8.4 4.7 (73) Buy on Amazon
12 Life Extension Vitamin D3 7000 IU Softgels Life Extension 8.0 4.8 (64) Buy on Amazon
13 Life Extension Bone Restore Chocolate Chewable Tablets Life Extension 7.5 4.5 (60) Buy on Amazon
14 Life Extension Vitamin D3 5,000 IU Softgels Life Extension 6.4 4.5 (38) Buy on Amazon
15 Life Extension Vitamin D3 Softgels Life Extension 6.2 4.5 (34) Buy on Amazon
16 Life Extension Vegan Vitamin D3 Supplement Life Extension 5.5 4.8 (14) Buy on Amazon
17 Life Extension Vitamin D, K, and Selenium Complex Life Extension 5.1 5.0 (1) Buy on Amazon
18 Life Extension Dr. Strum's Intensive Bone Formula Life Extension 4.3 3.7 (12) Buy on Amazon
19 Life Extension Bone Support with Strontium and Calcium Life Extension 0.0 0.0 Buy on Amazon