Best Organic Calcium Supplements of 2025

Get 3-in-1 benefits with the New Chapter Calcium Supplement. Sourced from Red Marine Algae, it is rich in bone-nourishing calcium, magnesium, and 70+ trace minerals, making it different from regular calcium carbonate supplements sourced from limestone rock. The slim calcium tablets have a slow and steady release and are formulated with vitamin D3 for better absorption and vitamin K2 to direct calcium to your bones where you need it most. It not only supports bone density and creation but also heart and joint health. This organic, non-GMO, gluten-free, and kosher supplement is easy to swallow and offers clinical-strength organic plant calcium.

Amazon Elements Organic Whole Food Calcium & Magnesium is a dietary supplement that supports bone density and strength. It contains 98% whole food source, non-GMO, vegan certified, and gluten-free ingredients, blended and packaged in the USA, and is Alexa voice shopping enabled. If you prefer the Garden of Life mykind Organic Plant Calcium, you can try this product. The satisfaction guarantee refunds the purchase for any reason within one year.

New Chapter Bone Strength Tiny Tabs is a 3-in-1 calcium supplement that supports bone health, cardiovascular health, and joint support. It is expertly formulated with Vitamin D3 for better absorption, Vitamin K2 to direct calcium to the bones, magnesium, and 70 whole-food trace minerals. This supplement protects against bone loss, promotes bone density and joint flexibility. The miniature calcium tablets are easy to swallow and provide a slow and steady release. New Chapter Bone Strength Tiny Tabs is USDA Organic, Non-GMO Project Verified, 100% Vegetarian, Kosher, and Certified Gluten-Free by NSF. With its comprehensive formulation and convenient miniature size, this calcium supplement is an excellent choice for maintaining healthy bones and overall well-being.

The Vegan Calcium by SUPPLEMENTS STUDIO offers a unique plant-based formula made from sustainably harvested red marine algae. This supplement not only provides essential calcium and magnesium but also includes over 13 vital minerals for better absorption and digestion. It features a 7-in-1 bone health complex that combines magnesium and vitamin D3 to enhance calcium absorption. Additionally, zinc helps your body utilize magnesium effectively, while vitamin K2 directs calcium to strengthen your bones. With turmeric for joint support and BioPerine to boost nutrient effectiveness, this supplement is designed to promote your overall bone and joint health.

MaryRuth's Calcium Gummies are a delicious way to supplement your diet with calcium, an essential mineral for bone health and development. With 200mg calcium per 2-gummy serving, these peach, mango, and apricot flavored gummies are a good source of calcium. The vegan formula is non-GMO, pectin-based, and free of gelatin, dairy, gluten, nuts, soy, and sugar. These gummies are easy to take; adults take 2 gummies per day or as recommended by a healthcare professional. MaryRuth's Calcium Gummies are suitable for most lifestyles and support overall bone health, healthy bone development, and strong teeth.

AlgaeCal is a plant-based calcium supplement made from natural red algae that provides all the bone support minerals, including calcium, magnesium, and vitamin D3. Unlike other calcium supplements made from rocks, AlgaeCal is organic and contains 13 trace minerals that make bones stronger. This supplement is perfect for women and men looking for a natural and sustainable way to support their bone health and strength. It's also manufactured in the USA using top-quality ingredients, and the capsules are veggie-based, easy to swallow, and free from dairy, soy, gluten, and GMOs.

The New Chapter Calcium Supplement offers 3-in-1 benefits for bone density, cardiovascular health, and joint support. It is formulated with organic plant-based calcium from sustainably harvested Red Marine Algae, magnesium, and 70+ trace minerals. The supplement is expertly formulated with Vitamin D3 and Vitamin K2 for better absorption and to direct calcium to bones. The slim calcium tablets have a slow and steady release and are easy to swallow. It is USDA Organic, Non-GMO Project Verified, 100% Vegetarian, Kosher, Certified Gluten-Free by NSF, and Sustainably Harvested.

ALGAECAL Plus is a plant-based calcium supplement made of natural red algae that is hand-harvested, providing all bone support minerals, including calcium, selenium, and magnesium. Unlike other calcium supplements made from rocks, this organic plant-based calcium supplement contains ALL of the minerals like magnesium, vitamin D & K2 for stronger bones. AlgaeCal is science-backed by studies showing that the combination of vitamins and minerals in each serving can help support healthy bones for life. The addition of Vitamins C, D3, and K2, plus additional boron and magnesium make sure the natural minerals in Algaecal Plus calcium supplement get to where it's needed, in your bones. It is a natural and sustainable bone health supplement for women and men.

NaturesPlus Source of Life Garden Organic Calcium with AlgaeCal is a plant-based supplement that supports bone health, blood health, and muscular strength. It contains a daily dose of calcium per serving alongside magnesium, which is essential for healthy bones. The supplement is sustainably sourced from marine algae off a protected coastline in South America and is USDA certified organic. Safe for vegan and vegetarian and gluten-free. The eco-friendly packaging helps preserve the environment by eliminating the outer cardboard boxes.