Best Organic Calcium Supplements of 2026

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.

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.

The MaryRuth Organics K2+D3 Calcium Gummies can benefit you in various ways. The gummies are made from non-GMO, vegan Lichen and Natto, and are available in three delightful flavors. The combination of Vitamins D3 and K2 helps in Calcium absorption, keeping your bones and arteries healthy. These easy-to-chew gummies are suitable for ages 2 or over and can be taken by vegans. Each bottle contains 60 servings and should be stored in a cool, dry place. Additionally, the gummies are free from common allergens such as dairy, nuts, soy, and gluten, making them celiac-friendly and kid-friendly.

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.