Best Why Not Natural in 2026

FEEL BETTER, NATURALLY: Our sublingual organic Vitamin B12 formulation is a natural energy, mood, and memory booster - and supports healthy metabolism, immunity and nervous system functioning. Achieve your fitness goals, perform better at work/school, and improve your overall health and feeling of well-being.

HIGHEST POTENCY: While most B12 supplements contain 1000mcg to 3000mcg per serving, we give you the same number of servings per bottle at 5000mcg, or you can double your servings by taking just 2500mcg - so you get more for your money.

HIGHEST QUALITY GUARANTEE: Compare your current B12's Supplement Facts label to ours, and see why Why Not Natural B12 is #1! We have made it our mission to create the best B12 drops, and we back it up with an unconditional 60-day money back guarantee!

HIGH POTENCY - With 10,000 IU of D3 and 100 mcg of K2 to quickly build up vitamin D levels and support your bone health and immune system.

MAXIMUM ABSORPTION - Same bioactive form of Vitamin D as Sunshine plus Vitamin K-2 which moves calcium to bones and teeth (and improves absorption!) and away from arteries and brain.

POTENT SUPER FOOD - We add organic USA-grown superfood Spirulina which is rich in Magnesium, maximizing vitamin D absorption. Spirulina's iron, B vitamins & antioxidants further support mood and immune function.

FEEL BETTER, NATURALLY: Our sublingual organic Vitamin B12 formulation is a natural energy, mood, and memory booster - and supports healthy metabolism, immunity and nervous system functioning. Achieve your fitness goals, perform better at work/school, and improve your overall health and feeling of well-being.

HIGHEST POTENCY: While most B12 supplements contain 1000mcg to 3000mcg per serving, we give you the same number of servings per bottle at 5000mcg, or you can double your servings by taking just 2500mcg - so you get more for your money.

HIGHEST QUALITY GUARANTEE: Compare your current B12's Supplement Facts label to ours, and see why Why Not Natural B12 is #1! We have made it our mission to create the best B12 drops, and we back it up with an unconditional 60-day money back guarantee!

OPTIMAL FORM OF VITAMIN A: Retinyl palmitate is a retinoid (like retinol), meaning it’s bioavailable (easily absorbed into the body) unlike poorly-absorbed beta-carotene.

CLEAR, BEAUTIFUL SKIN: Natural skin enhancer, helps reduce scarring as well as follicular hyperkeratosis. It’s an antioxidant for a healthy glow and stimulates collagen production. Retinyl palmitate is found naturally in skin and is a healthy alternative to harsh skin products..

VISION AND LONG HEALTHY HAIR: vitamin A maintains healthy eyesight by repairing eye tissue and fighting age related vision deterioration. Helps hair grow long and healthy (vitamin A is responsible for cell growth) and moisturized by stimulating sebaceous glands.

ORGANIC CEYLON CINNAMON: “true cinnamon” unlike inferior cassia cinnamon capsules, benefits sugar level, as well as joints without harmful compounds found in cheap cassia cinnamon.

GARLIC: all the benefits without the smell. Garlic helps with blood flow and immune system function as well as heart, brain, and bone health.

BERBERINE: one of the most effective natural compounds on the market: helps glucose, heart, and metabolism and acts as a powerful antioxidant.

HIGH POTENCY - With 5,000 IU of D3 and 100 mcg of K2 per half dropper liquid serving to quickly build up vitamin D levels and support your bone health and immune system.

MAXIMUM ABSORPTION - Same bioactive form of Vitamin D as Sunshine plus Vitamin K 2 which moves calcium to bones and teeth (and improves absorption!) and away from arteries and brain.

MCT OIL - This coconut-derived oil boosts energy, supports weight management, and has benefits for the brain as well as cholesterol and blood sugar levels. Vitamins D and K should always be taken with fat (like MCT), so this sublingual formula can be taken with or without food.

FLUSH IMPURITIES WITH D-MANNOSE: A naturally occurring carbohydrate found in small quantities in fruits and vegetables. It binds with harmful bugs in the urine so they can't attach to the bladder wall.

CRANBERRY EXTRACT WITH 25% PROANTHOCYANIDINS (PAC): the powerful antioxidant PAC have been shown to interfere with E. coli's and h. pylori's ability to stick to the bladder and gut walls, so they are cleansed right out!

STRENGTHEN THE BLADDER WALL with vitamin D3:. Around half of people are low in this, which can contribute to recurring UTIs.

SKIN SUPPORT: a meta-analysis of 19 studies showed hydrolyzed collagen noticeably improved skin hydration, had a 35% reduction in wrinkles, and a 40% increase in skin elasticity when consumed for 90 days. It supports repair of skin collagen and elastin fibers, which weaken as we age.

NAILS AND HAIR: collagen improves strength and hydration of dry, brittle nails, and biotin supplementation has been shown to improve nail and hair growth.

SUPERIOR ABSORPTION: marine collagen is absorbed more efficiently than other sources of collagen due to the smaller particle size. Marine collagen is especially rich in glycine and proline, which have been shown to help skin retain moisture and contribute to a supple look and feel.

COMPLETE B COMPLEX: Contains ALL 8 B Vitamins, B1 B2 B3 B5 B6 Biotin (B7) Folate (B9) and cobalamin, and all bioavailable active forms. Most B complex liquid supplements contain only some of the B vitamins or cheap inactive forms! You'll feel the difference.

COMBINED BENEFITS: Together, the B complex improves hair, skin, and nails, stress and mood, neurological function, metabolism, and fatigue.

INDIVIDUAL BENEFITS: B1 improves morale, B2 is an antioxidant, B3 supports good cholesterol, pantothenic acid helps hair, skin, and nails, B6 helps create red blood cells and neurotransmitters, B7 stimulates keratin production, B9 (folate) helps red and white blood cell production and fetal development, and cobalamin, the most famous, helps with DNA and red blood cell production and neurological function (for an energy boost!). Scroll down to our infographic for more!

FEEL BETTER, NATURALLY: Our sublingual organic Vitamin B12 + folate works together for natural energy, mood, and memory boost - they supports healthy metabolism, immunity and nervous system functioning as well as red blood cell production and iron function. Achieve your fitness goals, perform better at work/school, and improve your overall health and feeling of well-being.

HEART, DIGESTION, BRAIN, PREGNANCY: these two vitamins maintain healthy homocysteine levels, heart and brain health, metabolism and GI tract health. Folate is an especially important factor in healthy spinal cord development and consumption is important for women of child-bearing age.

HIGHEST POTENCY: While many B12/folate supplements contain 1000mcg or less B12 per serving, we give you the same number of servings per bottle at 2000mcg B12 and 800 mcg folate for a healthy ratio.

COMPLETE B COMPLEX: Contains ALL 8 B Vitamins, B1 B2 B3 B5 B6 Biotin (B7) Folate (B9) and cobalamin, and all bioavailable active forms. Most B complex liquid supplements contain only some of the B vitamins or cheap inactive forms! You'll feel the difference.

COMBINED BENEFITS: Together, the B complex improves hair, skin, and nails, stress and mood, neurological function, metabolism, and fatigue.

FEEL BETTER, NATURALLY: Our sublingual organic Vitamin B12 formulation is a natural energy, mood, and memory booster - and supports healthy metabolism, immunity and nervous system functioning. Achieve your fitness goals, perform better at work/school, and improve your overall health and feeling of well-being.

COMPLETE B COMPLEX: Contains ALL 8 B Vitamins, B1 B2 B3 B6 B7 Folate (B7) Biotin (B9) and cobalamin, and all bioavailable active forms. Most B complex liquid supplements contain only some of the B vitamins or cheap inactive forms! You'll feel the difference.

COMBINED BENEFITS: Together, the B complex improves hair, skin, and nails, stress and mood, neurological function, metabolism, and fatigue.

STRESS AND ENERGY BLEND: We also included the "honorary B vitamins" choline and inositol which are recommended to be taken with B complex to support fertility, serotonin, and body fat management. Also includes citrus bioflavonoids for metabolism and oxidative stress, trimethylglycine (TMG or betaine anhydrous) for athletic performance, hesperidin and quercetin for inflammation and cardiovascular health, and l-carnosine for brain and heart health. So many benefits!

CLEAR, BEAUTIFUL SKIN: Natural acne treatment, helps reduce scarring as well as follicular hyperkeratosis. It’s an antioxidant for a healthy glow and stimulates collagen production. Retinyl palmitate is found naturally in skin and is a healthy alternative to harsh acne treatments.

IMMUNE SUPPORT AND REPRODUCTION: liquid vitamin A supplement is a powerful antioxidant and helps with immunity by reducing inflammation and producing white blood cells. Supports reproductive health.

SKIN aging: a meta-analysis of 19 studies showed hydrolyzed collagen noticeably improved skin hydration, had a 35% reduction in wrinkles, and a 40% increase in skin elasticity when consumed for 90 days. It supports repair of skin collagen and elastin fibers, which weaken as we age.

FEEL BETTER, NATURALLY: Our sublingual organic Vitamin B12 formulation is a natural energy, mood, and memory booster - and supports healthy metabolism, immunity and nervous system functioning. Achieve your fitness goals, perform better at work/school, and improve your overall health and feeling of well-being.

HIGHEST POTENCY: While most B12 supplements contain 1000mcg to 3000mcg per serving, we give you the same number of servings per bottle at 5000mcg, or you can double your servings by taking just 2500mcg - so you get more for your money.

Skin aging: a meta-analysis of 19 studies showed hydrolyzed collagen noticeably improved skin hydration, had a 35% reduction in wrinkles, and a 40% increase in skin elasticity when consumed for 90 days. It supports repair of skin collagen and elastin fibers, which weaken as we age.

OPTIMAL FORM OF VITAMIN A: Retinyl palmitate is a retinoid (like retinol), meaning it’s bioavailable (easily absorbed into the body) unlike poorly-absorbed beta-carotene.

CLEAR, BEAUTIFUL SKIN: Natural acne treatment, helps reduce scarring as well as follicular hyperkeratosis. It’s an antioxidant for a healthy glow and stimulates collagen production. Retinyl palmitate is found naturally in skin and is a healthy alternative to harsh acne treatments.

MAXIMUM ABSORPTION - Same bioactive form of Vitamin D as Sunshine plus Vitamin K 2 which moves calcium to bones and teeth (and improves absorption!) and away from arteries and brain.

Complete B Complex: Contains ALL 8 B Vitamins, B1 B2 B3 B6 B7 Folate (B7) Biotin (B9) and cobalamin, and all bioavailable active forms. Most B complex liquid supplements contain only some of the B vitamins or cheap inactive forms! You'll feel the difference.

Combined benefits: Together, the B complex improves hair, skin, and nails, stress and mood, neurological function, metabolism, and fatigue.

Skin aging: a meta-analysis of 19 studies showed hydrolyzed collagen noticeably improved skin hydration, had a 35% reduction in wrinkles, and a 40% increase in skin elasticity when consumed for 90 days. It supports repair of skin collagen and elastin fibers, which weaken as we age.

FEEL BETTER, NATURALLY: Our sublingual organic Vitamin B12 formulation is a natural energy, mood, and memory booster - and supports healthy metabolism, immunity and nervous system functioning. Achieve your fitness goals, perform better at work/school, and improve your overall health and feeling of well-being.

HIGHEST POTENCY: While most B12 supplements contain 1000mcg to 3000mcg per serving, we give you the same number of servings per bottle at 5000mcg, or you can double your servings by taking just 2500mcg - so you get more for your money.

MAXIMUM ABSORPTION - Same bioactive form of Vitamin D as Sunshine plus Vitamin K 2 which moves calcium to bones and teeth (and improves absorption!) and away from arteries and brain.

FEEL BETTER, NATURALLY: Our sublingual organic Vitamin B12 formulation is a natural energy, mood, and memory booster - and supports healthy metabolism, immunity and nervous system functioning. Achieve your fitness goals, perform better at work/school, and improve your overall health and feeling of well-being.

HIGHEST POTENCY: While most B12 supplements contain 1000mcg to 3000mcg per serving, we give you the same number of servings per bottle at 5000mcg, or you can double your servings by taking just 2500mcg - so you get more for your money.

OPTIMAL FORM OF VITAMIN A: Retinyl palmitate is a retinoid (like retinol), meaning it’s bioavailable (easily absorbed into the body) unlike poorly-absorbed beta-carotene.

COMPLETE B COMPLEX: Contains ALL 8 B Vitamins, B1 B2 B3 B6 B7 Folate (B7) Biotin (B9) and cobalamin, and all bioavailable active forms. Most B complex liquid supplements contain only some of the B vitamins or cheap inactive forms! You'll feel the difference.

COMBINED BENEFITS: Together, the B complex improves hair, skin, and nails, stress and mood, neurological function, metabolism, and fatigue.

OPTIMAL FORM OF VITAMIN A: Retinyl palmitate is a retinoid (like retinol), meaning it’s bioavailable (easily absorbed into the body) unlike poorly-absorbed beta-carotene.

Enhanced Absorption: Our advanced liposomal technology ensures that our NAD+ supplement is rapidly absorbed and bioavailable. Our liposomes protect the NAD+ molecule from degradation, ensuring that it reaches your cells intact and can be used to support cellular energy production, DNA repair, and metabolic repair.

Age Defense: Laevigo Liposomal NAD+ supplement is designed for age defense and provides a sustained energy boost, giving you the vitality and stamina you need to take on the day. With our NAD plus supplement, you can achieve optimal health and well-being and feel your best every day.

Easy-to-Swallow Softgels: We understand that some customers find it difficult to swallow large capsules. That's why we've designed our Liposomal NAD+ supplement with easy-to-swallow capsules, making it more convenient and comfortable to take.

Includes 30 single-serving packets (0.33 oz. each) of Emergen-C Original Formula in Tangerine flavor

Each serving provides daily immune support* with more Vitamin C than 10 oranges(1)

Also contains B Vitamins, Electrolytes, and other Antioxidants like Zinc and Manganese

Immune, muscle, teeth and bone health support supplement: contains one 360 count bottle of Nature Made Extra Strength Vitamin D3 5000 IU (125 mcg) Softgels for a 360-day supply

Nature Made Vitamin D 5000 IU softgels help improve calcium absorption, support bone health, teeth health, muscle health, and provide immune support

This high dose Vitamin D 3 product is for those with higher Vitamin D needs and/or deficiency, as determined by a healthcare professional (1)

Just one drop a day

Specifically designed for breastfed babies

Two ingredients: 400 IU of pure vitamin D3 and fractionated coconut oil

Includes 30 packets (0.31 oz. each) of Emergen-C Original Formula in Strawberry-Kiwi flavor

Each serving provides daily immune support* with more Vitamin C than 10 oranges(1)

Also contains B Vitamins, Electrolytes, and other Antioxidants like Zinc and Manganese

BETTER TOGETHER: Known as the "sunshine vitamin," Vitamin D3 helps maintain strong bones by helping you metabolize calcium and supports a healthy immune system. Added Vitamin K2 helps ensure that calcium gets deposited in your bones where it's needed, and protects arteries from calcification. Vitamins D & K work better when taken together.

VEGAN FORMULA: Our Vitamin D and K supplements are made with VegaDELight vegan D3, a patented plant based form of Vitamin D3 from lichen and MenaQ7, a patented form of Vitamin K2 from chickpeas. Our easy-to-swallow Vitamin D3 K2 PlantGel capsules are an easy way to add these two essential micronutrient vitamins to your diet.

PREMIUM QUALITY: Sports Research is proud to offer products using only the best ingredients available so you can have total peace of mind in the supplements you are taking. Our 100% plant based Vitamin D with Vitamin K supplement is certified vegan, non-GMO, and free of soy, gluten, gelatin, and carrageenan - all formulated with cold-pressed organic virgin coconut oil.

HIGHEST POTENCY/HELPS MAINTAIN STRONG BONES*: Vitamin D is normally obtained from the diet or produced by the skin from the ultraviolet energy of the sun. However, it is not abundant in food.

SUNSHINE VITAMIN/SUPPORTS IMMUNE SYSTEM*: As more people avoid sun exposure, vitamin D supplementation becomes even more necessary to ensure that your body receives an adequate supply.

CLASSIFICATIONS/CERTIFICATIONS: Non-GMO, Halal, Kosher Contains Gelatin

Immune, muscle, teeth and bone health support supplement: contains one 90 count bottle of Nature Made Vitamin D3 2000 IU (50 mcg) Softgels for a 90-day supply

Nature Made Vitamin D 2000 IU softgels support bone health, teeth health, muscle health, and provide immune support

These Vitamin D 2000IU softgels help improve calcium absorption and contain 50mcg of Vitamin D 3, the body’s preferred form of Vitamin D

IMMUNE SUPPORT (1): Vitamin D3 is an essential nutrient for immune support. (1) Each serving contains 2000 IU of Vitamin D for immune benefits and may assist the immune system by helping to regulate T and B-lymphocytes (1)

SUPPORTS STRONG BONES (1): In addition to immune support, getting a sufficient amount of Vitamin D is critical to building and maintaining strong bones in adults. (1) It is essential for calcium absorption to help support healthy bones (1)

YEAR-ROUND SUPPORT: Vitamin D3 supplements contain the same form of Vitamin D that is naturally formed in the body through exposure to sunshine. Nature’s Bounty Vitamin D3 helps support the production of Vitamin D all year long (1)

200 count bottle of Caltrate 600 Plus D3 600 mg Calcium and Vitamin D Supplement Tablets

Caltrate bone supplements offer the highest level of vitamin D3 per tablet among leading calcium supplement brands (1)

Caltrate calcium and vitamin D tablets help support strong bones and everyday activities like muscle contractions, blood clotting and nerve function (2)

Immune Support: Zinc works to support the body's natural defense system which aids immune system function, wound healing and the absorption of B vitamins.*

Metabolism Booster: Zinc supports the digestion and metabolism of important vitamins, minerals, carbohydrates and other essential nutrients.*

This mineral also supports normal fetal and reproductive development as well as healthy function.*