Top Brands for Calcium and Vitamin D: Elevate Your Health

Maintaining optimal health requires adequate intake of essential nutrients such as calcium and vitamin D, which are vital for bone health. With countless options available, choosing the right supplements can be overwhelming. Some reputable brands known for their high-quality calcium and vitamin D products include MegaFood, Garden of Life, and Nature Made, all of which prioritize natural ingredients and stringent testing processes. For a comprehensive list of the best brands offering these crucial nutrients, explore the options detailed below.

Illustration of calcium, vitamin d

Best brands of calcium, vitamin d in 2025

Nature Made

Nature Made is a leading brand in the production of calcium and vitamin D supplements, known for its high-quality ingredients and significant health benefits. Their Calcium 600 mg with Vitamin D3 Softgels provide 600 mg of calcium and 10 mcg (400 IU) of vitamin D3, supporting strong bones and teeth. The brand is trusted by consumers, with products that are gluten-free, free from artificial flavors, preservatives, and synthetic dyes. Nature Made is part of a market that is expected to grow, with the global calcium and vitamin D supplements market anticipated to reach $104 million by 2030, growing at a CAGR of 4.9% from 2024 to 2030.

NewChapter

New Chapter is a renowned brand for producing high-quality calcium and vitamin D supplements, particularly their Bone Strength Take Care™ product, which is sourced from sustainably harvested Red Marine Algae, providing whole-food calcium, magnesium, and over 70 trace minerals. This supplement is enhanced with a proprietary blend of Vitamins K2 and D3 for optimal absorption and bone health. It is USDA Organic, Non-GMO Project Verified, and certified gluten-free, making it a reliable choice for those seeking organic and environmentally conscious options. The product has been clinically studied and is known for its 3-in-1 benefits, supporting bone density, cardiovascular health, and joint flexibility. New Chapter's commitment to quality and sustainability has made it a trusted name in the health and wellness industry.

Garden of Life

Garden of Life is a renowned brand for producing high-quality calcium and vitamin D supplements, particularly with their Vitamin Code RAW Calcium formula, which includes 1,100mg of whole food plant calcium from algae, 1,600 IU of vitamin D3, and 100mcg of vitamin K2 as MK-7, all free from synthetic binders and artificial ingredients. This supplement is enriched with 24 powdered fruits and vegetables and 73+ naturally occurring trace minerals, promoting optimal calcium absorption and bone health. The formula also contains magnesium, essential for converting vitamin D to its active form, and includes a raw probiotic and enzyme blend. Garden of Life's commitment to using organic, non-GMO ingredients ensures a clean and effective supplement. Regular use, combined with a healthy diet and exercise, can help reduce the risk of osteoporosis later in life.

Caltrate

Caltrate is a leading brand in calcium and vitamin D supplements, known for its high-quality products that support strong bones, muscles, and nerves. Each Caltrate tablet typically contains 600 mg of calcium and 800 IU of vitamin D3, which is the highest level among leading calcium supplement brands, helping to maximize calcium absorption and maintain healthy bones. Introduced by Pfizer Consumer Healthcare, Caltrate has been a trusted name since its inception, with products like Caltrate Soft Chews launched in 2010 to meet the increased daily vitamin D intake recommendations set by the Institute of Medicine. Caltrate supplements are designed to fit into most nutrition plans, with options like Caltrate Soft Chews providing 1200 mg of calcium and 800 IU of vitamin D3 per two chews, equivalent to the calcium in 17 servings of broccoli and the vitamin D in more than 6 servings of vitamin-D-fortified milk. This makes Caltrate an essential part of a healthy diet, especially for adults who do not get enough calcium from their food. For more information, visit the Caltrate Vitamin D product page.

Kirkland Signature

Kirkland Signature is a renowned brand for producing high-quality calcium and vitamin D supplements, ensuring comprehensive support for healthy bones and teeth. Each tablet of Kirkland Signature Calcium provides 600 mg of calcium and 400 IU of vitamin D3, which is crucial for efficient calcium absorption and utilization in the body. This combination helps reduce the risk of osteoporosis when combined with a healthy diet and regular exercise. The supplements are USP Verified, ensuring they meet stringent quality standards. Additionally, these products are free from gluten, sodium, yeast, GMOs, artificial flavors, colors, and preservatives.

Thorne Research

Thorne Research is renowned for its high-quality supplements, particularly in the realms of calcium and vitamin D. Their Calcium (formerly DiCalcium Malate) supplement offers 250 mg of calcium per capsule, which is more concentrated and better absorbed than other forms like calcium carbonate, providing 29% elemental calcium compared to 19% in calcium citrate. The Thorne D-1000 formula contains 1,000 IU of vitamin D3, essential for bone, teeth, and muscle health, and is recommended for individuals at risk of deficiency, such as those over 50 or living in northern climates. Combining vitamins D and K2, as seen in Thorne's Vitamin D/K2 Liquid, enhances bone and cardiovascular health, with vitamin K2 directing calcium to bones and away from soft tissues. These supplements are designed to meet specific nutritional needs, especially for populations with inadequate dietary intake.

Solaray

Solaray is a renowned brand known for its high-quality calcium and vitamin D supplements, designed to support healthy bones, teeth, and overall bodily functions. Their Calcium Citrate with Vitamin D-3 is specially formulated for enhanced absorption, particularly beneficial for individuals with low stomach acid. This supplement combines calcium with vitamin D-3, which aids in the intestinal absorption of calcium, phosphate, and magnesium, and is available in non-GMO, vegan, and lab-verified formulations. Solaray's commitment to potency, purity, and identity ensures that their products meet stringent quality standards. The inclusion of vitamin D-3 in their supplements is crucial, given that vitamin D is essential for bone health and can be challenging to obtain solely through diet.

Rainbow Light

Rainbow Light is a renowned brand for producing high-quality calcium and vitamin D supplements, offering products like Calcium with Magnesium and D3, which provides 500 mg of calcium, 250 mg of magnesium, and 500 IU of vitamin D3 per serving to support strong bones and teeth. This formulation helps enhance calcium absorption and utilization, and it is free from common allergens such as gluten, dairy, and nuts. The Calcium Citrate Mini-Tablets offer 800 mg of calcium per serving, which is 62% of the recommended daily value, and include 800 IU of vitamin D3 to promote bone health. These supplements are designed to be easily absorbed and support overall bone density and health. Rainbow Light's products are suitable for various dietary needs, including vegetarian and lactose intolerant individuals.

Carlson Labs

Carlson Labs is renowned for its high-quality vitamin D3 and K2 supplements, which play a crucial role in calcium absorption and bone health. Each serving of their Vitamin D3 + K2 supplement provides 50 mcg (2,000 IU) of vitamin D3 and 90 mcg of vitamin K2 as MK-7, supporting strong bones, teeth, and cardiovascular health. These vitamins work synergistically, with vitamin D3 facilitating calcium absorption and vitamin K2 directing it to the bones and vascular system. This supplement is gluten-free, soy-free, and free of artificial preservatives, making it a reliable choice. The product is tested for potency and quality, ensuring optimal health benefits.

MegaFood

MegaFood is a renowned brand for producing high-quality supplements, particularly for calcium and vitamin D. Since its founding in 1973, MegaFood has been committed to providing safe and effective plant-powered supplements, testing for over 150 pesticides and ensuring products are free from major allergens. Their Vitamin D3 supplements, such as the 5000IU with K & K2, are designed to support optimal calcium absorption and distribution, which is crucial for strong bones and immune health. Approximately 43% of the U.S. population uses calcium supplements, and MegaFood's products help meet the adequate intake recommendations for calcium and vitamin D. The addition of vitamins K and K2 in their supplements enhances the absorption and utilization of vitamin D.