Best Carbonate Calcium Supplements of 2025

Nature's Bounty Calcium Carbonate & Vitamin D3 contains 1200mg of calcium and 1000IU of vitamin D3 per softgel. The product helps to support bone health, neuromuscular health, and immune system. The supplements are gluten-free, wheat-free, dairy-free, and have no artificial flavors. Nature's Bounty ensures the quality of the product by testing it for purity and potency throughout the manufacturing process.

Nature's Blend Pure Calcium Carbonate 600 mg 100 Tabs (1684) is a gluten-free calcium supplement that contains 600 mg calcium carbonate per tablet, which may help you achieve peak bone mass. It is an ideal product for people who want to increase their calcium intake to improve bone health without the worry of gluten.

BulkSupplements Calcium Capsules are designed to support your overall health by providing essential calcium in an easy-to-swallow format. These capsules help ensure that your body has the necessary building blocks for vitality, promoting various bodily functions. By incorporating these supplements into your daily routine, you can enhance your wellness and maintain a balanced intake of essential minerals. Additionally, you can trust in the quality of these capsules, as they undergo rigorous third-party testing and are produced in a facility that adheres to strict quality standards.

Pure Original Calcium Capsules offer a straightforward supplement filled with just one ingredient: calcium carbonate. This means you receive a pure and undiluted source of calcium, which is essential for maintaining bone health. With a generous supply of 100 capsules, you can support your health for over three months without worrying about running out. These capsules are free from any additives, stearates, or fillers, ensuring you get only what you need without any unnecessary extras. Packaged in Utah, USA, you can trust the quality and purity of this supplement.

Defy bone aging with CITRACAL Slow Release 1200 Calcium Supplement, a sugar-free blend of 1200 mg of Calcium Carbonate and Citrate per serving that helps support bone health. This supplement also contains 1000 IU Vitamin D3 and 80 mg of magnesium per serving to absorb dietary calcium efficiently. The Slo-Cal Technology slowly and continuously releases small amounts of calcium and vitamin D3, making it easy to absorb and gentle on the stomach. Highly recommended by doctors and pharmacists, CITRACAL Slow Release 1200 is perfect for adults looking to achieve optimal bone health.

Nutricost Calcium Powder offers a pure source of calcium carbonate, providing you with 650mg of calcium per serving. This convenient powder comes in a 500-gram bottle, making it easy to incorporate into your daily routine. Being non-GMO and gluten-free, it caters to a variety of dietary needs. Plus, it is third-party tested, ensuring the quality you can trust. Manufactured in a facility that meets FDA and GMP standards, you can feel confident in the safety and effectiveness of this supplement.

Pure Calcium Carbonate Capsules are a single ingredient supplement with no additives, stearates or rice fillers. They are a source of elemental calcium, providing more than 5 months of peak health support. Packaged in Utah, USA.

Get peak health support for 3 months with Earthborn Elements Calcium Carbonate Capsules. Mined in solid form, this calcium supplement is pure and undiluted, with no additives or fillers. With 200 capsules in each bottle, you'll have a 100 day supply. Made in the USA, this supplement is perfect for those looking for a natural way to support their overall health.

Citracal Slow Release 1200 is a calcium supplement that blends 1200 mg of Calcium Carbonate and Citrate per serving, along with 1000 IU vitamin D3 and 80 mg of magnesium. The Slo-Cal technology ensures efficient absorption in one daily dose. Citracal is recommended by doctors and pharmacists, and it is sugar-free.

Nature's Nutrition Calcium Supplement provides an effective way to support your bone and dental health. With 1200 mg of calcium and added Vitamin D3, you can enhance the absorption of these essential nutrients. This formula not only promotes strong bones but also aids in maintaining a robust immune system. You can trust the quality of this product, as it is rigorously tested for purity and potency in a GMP-certified facility, ensuring that you receive a reliable source of nutrition for your daily health needs.