10 Best Calcium D3 K2 Magnesium of 2025

Tested and Reviewed: Top 10 Calcium D3 K2 Magnesium deals with expert ratings from 8.1 to a perfect 10

March 2026 Edition

Editor's Choice

9.7

Garden of Life

Garden of Life Calcium Supplement with Magnesium & Organic Vitamin D3 K2, Made from Whole Foods, Gluten-Free, 90 Count

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Editor's bottom line:

“This calcium d3 k2 magnesium is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

PLANT-BASED CALCIUM ROCKS: Our supplement offers 1,000mg of calcium from organic algae, serving as an alternative to rock-based formulas with added calcium magnesium benefits
CALCIUM MAGNESIUM: Contains 1,000 IU of Vegan D3 and 80 mcg of Vitamin K2
EASY TO DIGEST: The Garden of Life magnesium tablets use Clean Tablet Technology, making them highly bioavailable and easy to digest
NATURAL VITAMIN FORMULA: Made from over 20 real fruits and vegetables, this formula provides vitamin D with K2 sourced from whole foods, not synthetic origins
REAL TO THE ROOT - Garden of Life Vitamin D Supplement is made without synthetic binders or fillers and tested at every stepso you dont have to settle for less than Third-party Certified Organic, Non-GMO, Vegan, Gluten-Free and Kosher

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Picked by 397 people today

9.5

NATURELO

NATURELO Calcium Supplement - with Vitamin C, Vitamin D3, K2, and Calcium Magnesium Zinc for Bone Strength with Calcium 600mg - Plant-Based, 120 Vegetarian Capsules, Non-GMO, Soy & Gluten-Free

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Main Highlights

CALCIUM MAGNESIUM ZINC D3 SUPPLEMENT: NATURELO Bone Strength is a calcium, magnesium and zinc supplement enriched with plant-based nutrients to support bone health*, including Calcium sourced from marine algae and Vitamin D3 from lichen.
VITAMIN ENRICHED CALCIUM MAGNESIUM SUPPLEMENT: Offering a comprehensive bone health nutritional formula - this calcium and magnesium supplement contains essential vitamins such as Vitamin D3, K2, and C, plus Zinc and other minerals to support bone density* and maintain bone health.*
ABSORPTION: This Magnesium Zinc Calcium Supplement is designed to support calcium absorption in the body, with the inclusion of Vitamin D3, Magnesium, and Vitamin K2, to help effectively directing calcium towards the bones.
CALCIUM 600 MG WITH VITAMIN D3: Our calcium 600 mg with Vitamin D3 supplement helps support bone health* especially important in later life stages, and in women who tend to lose more bone mass during perimenopause and menopause.
CLEAN AND NATURAL: As a clean-label, non-GMO calcium and Vitamin D supplement, these special vitamins for bone strength have no unnecessary additives. Free from gluten, dairy, nuts, preservatives and artificial coloring, this magnesium, calcium, zinc supplement is suitable for vegans and vegetarians.

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9.5

PrimeMD

4-in-1 Calcium Supplements for Women and Men - Calcium with Vitamin D3 K2 5000 IU Supplement, 600mg per Serving - Gluten-Free, Vegan-Friendly (120 ct)

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Main Highlights

Who's this for - Our calcium supplements for women & men are for those looking for support with calcium absorption & distribution in the body. Its for anyone who wants to reinforce their calcium-rich diet.
What are the benefits - This 4-in-1 formula activates the matrix GLA protein to bind excess calcium and promote arterial flow & flexibility. Get holistic health support for the heart, bones and body.
How it works - Vitamin D3 supports calcium absorption, Vitamin K2 supports proper distribution of calcium, Calcium supports bones & muscle function while Vitamin B12 supports nerve function.
How to take - Adults should take 2 capsules daily with a meal and a glass of water. For best results, take at least 60 days. These calcium capsules have 601.25mg per capsule.

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9.2

SUPPLEMENTS STUDIO

Plant-Based Calcium 500mg (Aquamin) – Vegan Calcium Magnesium Zinc D3 with Vitamin K2 & Organic Turmeric – Enhanced Bone and Muscle Health & Strength, Immune Support for Women & Men - 90 Count

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Main Highlights

Plant-Based Calcium Magnesium Complex: Unlike traditional calcium supplements, ours is made with sustainably harvested red marine algae, providing natural calcium, magnesium, and rich in 13+ essential minerals for superior absorption & easy digestion.
7-in-1 Bone Health Complex: Magnesium and vitamin D3 are essential for calcium bioavailability. Zinc enhances magnesium absorption, while vitamin K2 directs calcium to the bones. Turmeric supports active lifestyle and overall wellness, and black pepper improves nutrient bioavailability.
For Women & Men: Calcium supports bone health and strength, while magnesium contributes to normal muscle and nerve function. Combined with turmeric, this formula is designed to help maintain optimal wellness. Zinc plays a role in bone formation, and Vitamin D3 assists calcium absorption to support overall wellness.
No Fillers: Crafted with your health in mind, our calcium magnesium supplement delivers high-potency benefits without the unwanted extras. Free from fillers like rice flour and magnesium stearate, so you can trust what you're putting into your body.
Made in the USA All our products are proudly manufactured in cGMP-certified facilities in the U.S. under strict quality control standards, using high-quality, non-GMO ingredients to support whole-body wellness.
Third-Party Lab Tested for quality, purity, and heavy metals, ensuring every batch meets our strict quality standards.

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9.0

Nextdia

Liposomal Calcium AKG Supplement 1500mg with Vitamin D3 & K2 Softgels for Women & Men│ High Absorption│Calcium Supplements with Magnesium Glycinate, Boron, Probiotics & Vitamin C for Bone - 120 Pills

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Main Highlights

Strength in Every DoseCalcium AKG supplements offer a wider range of potential benefits than other forms of calcium, with positive effects on vitality, muscle, and antioxidants. Designed for users seeking calcium support for bone health, with a focus on energy levels and healthy aging.
Bioavailable & 10X Absorption1500mg Ca-AKG, combining the benefits of calcium and alpha-ketoglutarate, with sunflower lecithin added to form liposomes for better bioavailability and stability than other forms of calcium. *5 probiotic strains to further promote intestinal absorption of more calcium.
Power Your BonesCalcium and Vitamin D3, K2 are a comprehensive combination that aids in the absorption and proper delivery of calcium to bones, while Vitamin C helps maintain optimal nutrient activity. Magnesium Glycinate helps convert Vitamin D3 activity, indirectly promoting calcium absorption. Boron Glycinate helps balance and synergize calcium and magnesium to support optimal muscle function.
Natrual & NON-GMOOur calcium akg pills are made with natural, non-GMO sourced and vegetarian vitamins D3, K2 and C in easy-to-swallow extended-release softgels to support the release and absorption of the ingredients. Free of soy, gluten, milk, wheat, peanuts, artificial flavors and preservatives. *One bottle lasts two months.
Trusted QualityOur Calcium Alpha-Ketoglutarate capsules provide you with the go-to solution for healthy aging and bones. They are manufactured in a registered and certified facility and tested for purity, safety, and potency to ensure quality and consistency. We stand behind our formulas and if you have any questions, please feel free to contact us.

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8.8

LILICARE

6-in-1 Plant Based Calcium Supplements for Women Men- Calcium 600mg w/ D3 K2 5000 IU Vitamin, Liposomal & Algae Ca-lcium Magnesium Zinc + Vegan Vitamin D 5000 IU + K2 MK7 + Methyl B12 for Bone, 1 Pack

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Main Highlights

Liposomal Technology + Softgels: Our Vitamin D3 K2 Calcium supplement uses advanced liposomal technology to protect nutrients from stomach acid and digestive enzymes, delivering them directly into the bl--dstream for better absorption and less digestive discomfort. The sealed softgel structure protects the active ingredients, while its oily matrix enhances the absorption of fat-soluble vitamins D3 + K2. Softgels are easy to swallow, making them especially suitable for elderly individuals.
Better Source & Form: Our calcium is natural algae calcium, rich in 70+ trace minerals, with better solubility, gentler, and a structure closer to the calcium structure in human bones, which is easier to digest and absorb than calcium carbonate & calcium citrate. Magnesium citrate is an organic acid magnesium salt with high bioavailability & easy absorption. D3, K2, Zinc are both from plant sources. Vitamin B12 is methylated B12, which is the active form & can be directly absorbed & utilized.
5 Essential Nutrients for Bone Health: D3 promotes calcium absorption, while K2 activates osteocalcin to direct calcium to bones instead of soft tissues or artries. K2 ensures calcium is properly absorbed and delivered to bones. The combination of D3+K2+Calcium supports optimal calcium absorption & distribution, aiding bone calcification & density. Magnesium citrate assists in the metabolism of calcium & D3, balancing the ideal calcium-magnesium ratio (2:1). Zinc supports bone grwth & rpair.
5 Essential Nutrients for Her-t, Energy, M-d: Magnesium regulates hear-t rhythm, promotes energy production & improves m-d. Zinc supports protects the her-t. Vitamin D3 regulates m-d and supports her-t health. Vitamin K2 directs calcium to bones to reduce calcium buildup in artries, and works with D3 to support c-ardivscular health. Vitamin B12 supports energy production, nervous system and m-d health. These nutrients support optimal her-t, energy and m-d.
Pure & Highest Quality Ingredients: Non-GMO Vitamin D3 + K2 + Calcium + B12 Complex Supplement. Free of soy, wheat, dairy, gluten. Third-party lab tested and manufactured in a cGMP-compliant facility to ensure product safety, purity and effectiveness. In warm weather, it is normal for the softgels to stick together and clump. This does not affect the quality or efficacy of the product. To loosen clumps, shake the bottle vigorously or tap it on a table.

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8.6

NATURE TARGET

NATURE TARGET Vitamin D3 K2 with Calcium & Magnesium - Max Strength 4 in 1 Formula for Bone, Heart & Immune Support - Supplies 5000 IU Vitamin D3 & 120 mcg of Vitamin K2, 120 Count

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Main Highlights

Experience Synergistic Benefits: Discover the power of our Vitamin D3 K2 supplement, with 5,000 IU of Vitamin D3 and 120 mcg of Vitamin K2. Essential for robust bones, teeth, muscle function, and a resilient immune system, this dynamic duo ensures optimal calcium absorption and utilization. Enhance your health regime and provide added protection by combining Vitamin D with Vitamin K.
Build Stronger Bones & Teeth: Elevate your bone and dental health with our potent Vitamin D3K2 supplement, expertly formulated to maximize calcium absorption. Paired with magnesium for muscle function and relaxation, this supplement ensures overall strength and vitality.
Promote Heart Health: Prioritize your vascular well-being with our unique blend of Vitamin K2 (Menaquinone-7) and Vitamin D3. This combination directs calcium to your bones, keeping your arteries clear and reducing the risk of arterial calcification, thereby supporting heart health. Additionally, it supports healthy blood pressure and enhances your mood and mental health.
Enhance Immune Defense: Boost your immune system with Vitamin D3, a crucial nutrient for maintaining strong defenses against pathogens. By strengthening cell barriers, our supplement provides a robust first line of defense. Stay healthier and more resilient with our powerful immune support formula.
Convenient & Pure: Enjoy the ease and effectiveness of our Vitamin D3 K2 capsules, designed for convenient storage and effortless swallowing. Every batch is rigorously tested by third parties to ensure unparalleled quality, purity, and potency. Free from gluten, artificial colors, artificial flavors, non-GMO, and soy, our supplement delivers the health support you need without any unnecessary additives. Each bottle offers a generous 120-day supply.

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8.3

NOW Foods

NOW Foods Supplements, Cal-Mag DK with Vitamin D-3 and Vitamin K-2, Supports Bone Health*, 180 Capsules

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Main Highlights

SUPPORTS BONE HEALTH*/COMPLETE BONE FORMULA*: NOW Cal-Mag DK Caps provide calcium and magnesium, minerals that are known to be essential for bone health.* Take 2 capsules twice daily with food
WITH VITAMIN D-3 AND VITAMIN K-2: Vitamin D-3, a fat soluble vitamin, has been shown to play a critical role in bone metabolism, as well as in the absorption of calcium and magnesium in the intestine*
CERTIFICATIONS/CLASSIFICATIONS: Soy Free, Egg Free, Dairy Free, Made without Gluten
GMP Quality Assured: A-rated, third-party certification means that every aspect of the NOW manufacturing process has been examined. Our in-house laboratories are ISO/IEC accredited for laboratory testing including for stability, potency and product formulation.
Packaged in the USA by a family owned and operated company since 1968

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8.1

New Chapter

New Chapter Calcium Supplement - Bone Strength Plant-Based USDA Organic Calcium with Magnesium, Vitamin D3+K2, for Bone Health & Joint Mobility, Heart Support, 905 mg dose - 120 Slim Tablets

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Main Highlights

SUPPORT BONE DENSITY: Clinical-strength dose of calcium with vitamins K2 & D3 supports bone density and normal bone creation, strong teeth, healthy joint support and mobility, and heart health for men and women*
ORGANIC & PLANT-BASED: USDA Organic plant-based calcium from wild Red Marine Algae from Iceland is backed by 27 studies and includes magnesium and 70+ naturally occurring trace minerals*
BETTER ABSORPTION: Vitamin D3 boosts calcium absorption, while K2 guides it directly to your bonesinstead of arteriesfor optimal results. No limestone. An alternative to calcium citrate.
EASY TO SWALLOW: Slim calcium tablets for bone support with slow & steady release
USDA Organic, Non-GMO Project Verified, 100% Vegan, Certified Kosher, Certified Gluten Free by NSF, Harvested from Iceland. Now in stronger boxes. Soft to touch, superb quality.

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8.1

VEV

VEV Vitamin D3 K2 10,000 IU Magnesium Supplement – with Vitamin D and K (MK-7), Magnesium Glycinate & Malate, Zinc Citrate – 300 Softgels for Energy, Bone & Muscle Support

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Main Highlights

Vitamina D3 con K2 + Magnesium: Our d3 k2 vitamin 10,000 iu supplement provides 10,000 iu of vitamin d3 and 200 mcg of k2 (as mk-7), with added magnesium (from glycinate and malate) and zinc citrate. This k2 d3 vitamin supplement supports calcium absorption, bone health, and daily energy. Magnesium plays a key role in activating vitamin d3, making it suitable for adults with low sun exposure or those seeking consistent vitamin d support
Scientifically Synergistic Formula: This vitamin d3 k2 magnesium formula works in synergyd3 supports calcium utilization, k2 helps guide it to bones and teeth, and magnesium helps activate d3. Infused with coconut oil, this d3 k2 vitamin 10000 iu magnesium supplement supports the utilization of fat-soluble nutrients without the need to add extra fats. A science-based blend designed to support energy levels and daily wellness
Added Magnesium to Activate D3: Unlike basic vitamin D3 K2 supplements, we include magnesium glycinate and malate. Without enough magnesium, vitamin D3 remains inactive in the body. Magnesium not only helps activate D3 but also supports focus and physical comfort. Coconut oil further supports absorption
Pure Formula, Gentle and Convenient: Our vitamina d3 con k2 magnesium softgels feature a clean, plant-based formula that is vegan-friendly, dairy-free, and gluten-free, with vitamin D3 sourced from lichen. Made without artificial colors or preservatives, each mini softgel is easy to take and travel-friendly for everyday use
100-Day Long-Term Support: This d3 k2 magnesium vitamin supplement contains 300 softgels per pouch, providing up to 100 days of supportjust 3 softgels per day. Ideal for those with limited sun exposure or increased vitamin d3 needs, it delivers 10,000 IU of vitamin d3 per serving. This formula is intended for individuals with significant vitamin d deficiency or specific health needs. Please use under professional guidance and monitor your vitamin d and calcium levels as needed

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Our Best Overall Choice

Best Choice

9.7

Garden of Life

Garden of Life Calcium Supplement with Magnesium & Organic Vitamin D3 K2, Made from Whole Foods, Gluten-Free, 90 Count

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Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

PLANT-BASED CALCIUM ROCKS: Our supplement offers 1,000mg of calcium from organic algae, serving as an alternative to rock-based formulas with added calcium magnesium benefits
CALCIUM MAGNESIUM: Contains 1,000 IU of Vegan D3 and 80 mcg of Vitamin K2
EASY TO DIGEST: The Garden of Life magnesium tablets use Clean Tablet Technology, making them highly bioavailable and easy to digest
NATURAL VITAMIN FORMULA: Made from over 20 real fruits and vegetables, this formula provides vitamin D with K2 sourced from whole foods, not synthetic origins
REAL TO THE ROOT - Garden of Life Vitamin D Supplement is made without synthetic binders or fillers and tested at every stepso you dont have to settle for less than Third-party Certified Organic, Non-GMO, Vegan, Gluten-Free and Kosher

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