Best Carbonate Calcium Supplements in 2026

120 count bottle of Caltrate 600 Plus D3 Plus Minerals Calcium and Vitamin D Supplement Tablets

Dual benefit Caltrate Plus Minerals supplement includes calcium and vitamin D3 for bone strength and minerals for flexibility (2, 3)

Bone support supplements with key essential minerals like zinc, copper and manganese to help support collagen production to facilitate more resilient bones (2)

Micronutrient Formula for Bone Health - BoneUp provides StimuCal MicroCrystalline HydroxyApatite (MCHA) and micronutrients to support bone health, bone density, and skeletal nutrition.

Bone Density Support - StimuCal MCHA is a naturally derived source of calcium shown to support bone mineral density better than calcium carbonate. StimuCal also provides bone proteins, including type I collagen.

Natural Sources - Vitamins D3 and K2 (as MK-7) are included to support calcium deposition into bones.

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

Rep-Cal Ultrafine Powder Is An Excellent Source Of Calcium For All Reptiles And Amphibians

Scientifically Formulated From 100-Percent Natural Oyster Shell Phosphorous-Free Calcium Carbonate With Vitamin D3 To Aid In Absorption Of Calcium

Mix with vegetables, fruits and pastes approximately 1/2 tablespoon Rep-Cal with 1/2 tablespoon herptivite per lbs of food

Pure Original Ingredients Calcium Carbonate Powder is made from a single ingredient, providing a pure undiluted supplement

Calcium Carbonate is a natural source of elemental calcium

Use in wine making, brewing, agricultural, toothpaste, chalk, and more

Noor Vitamins Calcium with Vitamin D has 1200mg of Calcium per daily dose (2 tablets daily) to help support Bone Health*

Halal vitamins with Calcium also has 1600 IU (40 mcg) of Vitamin D per daily dose (2 tablets daily) to help bones use Calcium*

Calcium Supplements have also been shown to support Immune and Heart Health*

🦴 Strengthen the Bones - Calcium plays an important role in the development and maintenance of healthy bones and teeth, as well as the transmission of nerve impulses and muscle contraction.* Calcium citrate, or calcium citrate powder, is a form of calcium supplements that is easily absorbed by the body, making it an excellent choice for those looking to maintain bone health, a bone strength supplements.

💪 Supports Muscle Contraction - Calcium citrate, which is calcium citrate powder form, is essential for muscle contraction and overall health. It's a key mineral that helps keep your body functioning properly. If you're looking for a healthy way to support your muscles, calcium citrate, a calcium supplement for women & men, is the perfect choice! It's a natural way to help your body feel more at ease.

✔️ Supports Nerve Health - Calcium citrate is a form of calcium that is essential for nerve health.* This Calcium citrate powder, a vegan calcium supplement, helps to support the function of the nervous system and can support the transmission of nerve impluses.* Not only that, this calcium supplement helps keep cognitive function healthy.* It's an important mineral for maintaining optimal health!

CALCIUM & MAGNESIUM BENEFITS: Provides 500 mg of Calcium and 200 mg of Magnesium to ensure adequate dietary intake of these key minerals. The PeaPod formula includes two different forms of both calcium (calcium carbonate and calcium citrate) and magnesium (magnesium oxide and magnesium citrate) for enhanced absorption.

WITH VITAMIN D3: Each capsule of Cal-Mag supplement contains Vitamin D3 which is an essential compound for human development and beneficial for your own personal health. Women should get the recommended amounts of vitamin D during pregnancy for both their well-being and the healthy growth of the baby.

SUPPORT BONE HEALTH: Helps build and maintain your body's supply of calcium, magnesium, and vitamin D before and during pregnancy and lactation, these vitamins and minerals are the most needed for maintaining mother and baby's bone health.

Helps build and strengthen bones

Readily absorbable liquid softgels

Adequate calcium is important for overall health

ENHANCED FORMULA: 1,500mg of marine-grade coral calcium harvested from the shores of Okinawa, Japan. It also includes extra levels of Vitamin D3 as well as Vitamins A, C, E, Vitamin B6, Vitamin B12, and other health-supporting nutrients. The result is the most comprehensive, highest-quality coral calcium supplement available to support overall health.

2:1 RATIO OF CALCIUM TO MAGNESIUM: Barefoot Coral Calcium Complete contains both calcium and magnesium in a biologically perfect 2:1 ratio. Magnesium helps your body use calcium more effectively.

SUPPORTS PH BALANCE: Coral Calcium supports a healthy pH balance. Coral calcium acts as a natural alkalizer that helps support proper pH levels.

Each Bottle of Calcium with Vitamins D3 & K2 Dietary Supplement Contains 30 Servings

Following Dr. Mercola’s belief in providing the best quality products, this product is GMO Free, Gluten Free, and Soy Free.

It contains whole-food calcium carbonate from organic eggshell that is a 100% natural and sustainable source of high-elemental calcium with its own essential trace minerals.

ESSENTIAL VITAMINS AND MINERALS: Calcium and

IMMUNITY BOOSTER - Country Lifes Buffered Vitamin C has been prepared with natural alkaline calcium carbonate and magnesium oxide which buffer and neutralize the excess acidity of vitamin C. Vitamin C is an essential nutrient. As an antioxidant, it helps to protect the body against oxidative stress and supports immune health. Specially formulated vitamin C also contains rose hips.

RESPONSIBLY MADE - Certified non-GMO, gluten-free, vegan and kosher made with recyclable packaging the manufacturing of this product supports wind power. This product does not contain yeast, wheat, soy, milk, salt, sugar, preservatives or artificial colors, flavors or sweeteners.

FRESHNESS OF INGREDIENTS - Because we manufacture our own products, our products go from tested raw material, to manufactured good, to bottled and packaged products immediately so you can be assured of product potency throughout its shelf life.

600 mg calcium carbonate per tablet

May help to achieve peak bone mass

Gluten free

3rd Party Lab Tested for Purity & Quality.

½ Level Teaspoon (1.6 g) of Calcium Carbonate per Serving, 284 Servings per bottle.

Non-GMO & Gluten-Free.

Contains up to a 180-day supply of Nature Made Calcium (Carbonate) 600 mg with Vitamin D Tablets, 60 tablets per bottle.

Helps support strong bones. Vitamin D helps improve calcium absorption.

Adults, take 1 tablet 1 to 2 times daily with water and a meal.

High Quality Food Grade Calcium Carbonate White Powder, Made from Limestone

Safe for Human Consumption & For use with Foods

May be used as a calcium dietary supplement

GNC Coral Calcium: Support Bone Health GNC Coral Calcium capsules are created from fossilized coral found in the Okinawa Sea. Created from fossilized animal remnants, coral reefs provide an all-natural source of calcium. While it is similar to the calcium carbonate found in rock formations, this GNC Coral Calcium supplement has magnesium and other trace elements that help support good bone health.

Naturally supplies calcium, magesium & other trace minerals essential for strong, healthy bones*

Derived from fossilize coral

MAX STRENGTH MAGNESIUM CITRATE: aSquared Nutrition’s maximum strength Magnesium Citrate supplement contains 833mg of pure Magnesium Citrate per serving. With 200 capsules in each bottle, you receive a full 100 day supply. Don’t settle for competitive products that only offer 200mg, 400mg or 500mg of Magnesium Citrate per serving, or that only give you 90, 120 or 180 capsules, tablets or pills per bottle. *

FEEL THE DIFFERENCE: Elemental magnesium bonded to citric acid forms Magnesium Citrate, which has high absorption and bioavailability in the body. Magnesium supplementation helps increase energy levels, supports bone, muscle and nerve health, and even helps with digestion and relieving constipation. Additionally, Magnesium supports cardiovascular & heart health. *

HIGH QUALITY FORMULATION: Our Magnesium formula is made in the USA, in a GMP compliant facility. It is Vegan Friendly, and has No Preservatives, No Soy, No Gluten, & No Dairy. Magnesium supports bone, muscle, nerve and heart health. It also helps increase energy levels and relieves constipation. Magnesium is also important for regulating calcium & potassium levels. Try also our Resveratrol 1000mg, Nicotinamide 500mg, & Milk Thistle. *

Extra Strength Calcium & Vitamin D3: Our Premium Calcium Supplement Supports Immune Health & Bone Health

Effective Ingredients: Supports Bone Strength with 1200mg of Calcium Carbonate Plus 1600 IU Vitamin D3

High Quality: Calcium Carbonate & Vitamin D by Nature's Nutrition; Dietary Nutrition Supplement Non-GMO

Calcium carbonate pwd 12 oz by now foods

NOWSUPPVitamin-Minerals- 12OZ

Now foods product upc: 733739012456

♥<b>Comprehensive Calcium Source Provide Full 1,000MG Elemental Calcium</b>-This blend of calcium carbonate, calcium hydroxyapatite and calcium citrate provides the benefits that the other lack. By default, it can provide the highest bioavailability Calcium at a recommended amount with the least amount of dosage required while still suitable for people with low stomach acid (low hydrochloric acid)

♥<b>Synergistic Minerals, Vitamins & Cofactors For Ultimate Absorption</b>-The special ingredients added such as Magnesium, Zinc, D3, K1, Ipriflavone, L-Lysine HCl, and others help boost calcium activity and absorption which lead to calcium to be able to work at its best in preventing the loss of bone density.

♥<b>Enhance Calcium Absorption, Calcium Deposit And Bone Metabolism</b>- This formula help support bones and teeth, inhibit bone resorption, reduce the rate of bone loss.

HIGH ABSORPTION MAGNESIUM GLYCINATE: High Absorption Magnesium uses a patented, organic, chelated delivery form of magnesium to optimize bioavailability and GI tolerance. It is not buffered and is more absorbable than magnesium oxide.*

BETTER ABSORBABILITY: Magnesium Glycinate - 2.3x greater than magnesium carbonate, 3.6x greater than magnesium sulfate, 6.0x greater than magnesium oxide, Chelated magnesium is absorbed faster and at a higher rate than ionic salts. Helps promote high magnesium retention in the body. Better tolerated, minimizes laxative effect -- even at therapeutic doses. TRAACS (The Real Amino Acid Chelate System), not a synthetic chelate. Water soluble.*

MAGNESIUM HEALTH BENEFITS: An essential dietary mineral, magnesium plays many important roles, including: helps increase energy levels, helps relax nerves and tension, helps maintain a normal, regular heartbeat, supports bone density, helps maintain muscle mass, muscle power and physical performance, helps digestion tract. Helps promote calmness allowing better sleep and reduced insomnia, helps prevent muscle cramps, tightness, and soreness, helps stop headaches. Inadequate magnesium not only affects the heart, blood vessels, and bones, but may also impact blood sugar balance as well. *

Extra Strength Calcium Supplement: With a combined 1200 mg of Calcium & Magnesium Nature's Nutrition Bone Strength Tablets provide extra strength bone health support

Bone Health & Immune Support: Our Calcium tablets naturally support bone health and immune support with 9 vitamins & minerals including vitamin d3 & magnesium that support bone health

For All Chapters of Life: Our Calcium Supplement Complex is formulated to support bone health through all stages of life as a great bone strength supplement

MINI CALCIUM: Premium formula featuring Calcium and Vitamin D3 in easy-to-swallow mini softgels

POWERFUL SUPPORT: Provides 1,200 mg Calcium per serving, 92% of your daily value!

ROOTED IN WELLNESS: Carlyle provides premium, honest supplements in your pursuit to healthy living

1 MONTH SUPPLY - 500MG PER SERVING: This bottle contains 60 gummies. Each serving consists of 2 gummies, equaling 30 servings. Each serving has 500 mg calcium and 25 mcg vitamin D 1000 IU. High levels of vitamin D3 in these bone health supplements help maximize calcium absorption and maintain healthy bones.

FOR TEETH, BONES, MUSCLES, AND NERVES: These calcium gummies may help strengthen bones and their structure. It may help strengthen and enhance your teeth while also helping to support and strengthen muscles and nerves.

GREAT TASTING BERRY FLAVOR GUMMY: These calcium gummies have a fruity berry flavor everyone enjoys; they are pleasant and easy to chew. A great alternative to taking big chalky pills.

ESOPHEGEAL DEFENSE - Enhanced on-the-go formula for digestive support and esophageal defense. Great for those who have difficulty swallowing tablets; this small chewable offers quick delivery to help ease discomfort and neutralize acids.

PROMOTES A HEALTHY INFLAMMATORY RESPONSE - Helps replenish dietary magnesium, a nutrient often depleted by traditional digestive support regimens that is essential to promoting a healthy inflammatory response. Also includes licorice root extract, which may support the protective barrier between the esophagus and acidic content.

PROMOTES HEALTHY PH BALANCE - Calcium carbonate promotes healthy pH balance in the esophagus without disrupting stomach acid production, while also maintaining gastric pH. When chewed, rather than swallowed, calcium carbonate has minimal effect on stomach acid—so that acid can do its work, ensuring you properly digest your food.

✔PERFECT MATCH FORMULA: Daily vitamin d3k2 and calcium supplementation has never been easier! Vitamin d3k2 gummies 5000iu is a powerful and easy to chew. Each serving of d3k2 gummies provides 5000 IU of D3, 200 mcg of K2 chickpea and 600 mg of Calcium (calcium citrate, calcium carbonate) + Coconut oil. D3 and K2's MK-7 homologue (longer half-life) are taken together with calcium to help direct calcium to bones and help keep open for maximum benefit!

✔HIGH POTENCY ABSORPTION: D3 and K2 vitamins work together to activate calcium, promote calcium and phosphorus absorption, strengthen bones and influence normal muscle movement. Vitamin D is a fat-soluble vitamin that is difficult for the body to absorb and making these vitamin d gummies with coconut oil increases bioavailability. Even in winter, reducing going out or working indoors will allow you to easily supplement calcium every day to achieve optimal calcium levels.

✔BEST CHOICE FOR CALCIUM SUPPLEMENT: Vitamin d3k2 with calcium citrate and calcium carbonate. Calcium citrate is high in calcium, which improves digestion and absorption; calcium carbonate supports normal nerve function and healthier teeth. This premium formula of D3k2 gummies and calcium optimizes calcium absorption, promotes calcium balance in the body and maintains bone integrity.

CALCIUM SUPPLEMENT FOR WOMEN & MEN: Our vitamin D calcium tablets contain a 1000mg blend of Calcium Citrate and Calcium Carbonate. Calcium and Vitamin D help maintain strong, healthy bones and teeth. *

FORMULATED FOR ABSORPTION: Each Calcium + Vitamin D tablet contains naturally derived Vitamin D3 that promotes the absorption and delivery of calcium. *

BUILD STRONG BONES: Formulated based on scientific evidence to help maintain strong & healthy bones and fill calcium deficiencies. * A daily Calcium and Vitamin D supplement combined with a healthy diet can help maintain strong bones. *

POWERFUL MINERAL COMBO – Our proprietary formula creates free-flowing unbound ionic magnesium and calcium. This is the natural state of minerals throughout your body. This allows your body to instantly absorb and utilize Outback Naturals CalMag. No need to digest, break down, and hope you absorb your calcium and magnesium supplements. Other mineral forms like malate, glycinate, oxide, carbonate, etc. take far too long for your body to break down and lead to less-than-optimal absorption.

ELEVATE YOUR MOOD, ALLEVIATE STRESS – Your mood and stress levels are heavily dependent on your calcium and magnesium levels. Everything from your body’s stress management system to the regulation of neurotransmitters like serotonin, dopamine, and GABA. Our bodies rely on these minerals heavily and even with a perfect diet, it is near impossible to reach adequate levels of intake. Let Outback Naturals CalMag help you fill that gap!

UPGRADE YOUR BONE HEALTH – After the age of 30, bone density reaches its peak and begins to decline. Fight off this decline with our calcium and magnesium powder drink mix. Restore your magnesium and calcium levels today! Your bones will thank you!