10 Best Calcium Vitamin D3 K2 of 2025

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

March 2026 Edition

Editor's Choice

9.7

Sports Research

Sports Research® Vitamin D3 + K2 w/ Coconut Oil - Vegan Vitamin D 5000iu & Mk7 Vitamin K 100mcg for Bone & Immune Support - Vegan Certified · Non-GMO · Soy Free - 60 Softgels

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Editor's bottom line:

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

Main Highlights

D3 + K2 TEAMWORK THAT MATTERS: Vitamins D3 and K2 work synergistically to support strong bones, immune health, and proper calcium metabolism.* D3 helps your body absorb calcium, while K2 (as MK-7) guides it to the bones where it belongs.* Together, they form a powerful combo for total-body wellness.*
PLANT-BASED, VEGAN-FRIENDLY FORMULA: Our D3 + K2 supplement uses vegan D3 (cholecalciferol) sourced from lichen and K2 (MK-7) derived from fermented chickpeas, with coconut MCT oil added to support optimal nutrient absorption.* No animal ingredients, everjust effective, science-backed support.*
ONCE-A-DAY IMMUNE & BONE SUPPORT: Each easy-to-swallow softgel delivers 125 mcg (5000 IU) of vegan D3 and 100 mcg of K2 (MK-7)the most bioavailable form of K2. Just one softgel per day helps promote bone health, immune support, and cardiovascular health in both women and men.*
CERTIFIED CLEAN & QUALITY TESTED: Our vitamin D3 and K2 formula is Vegan Certified, Non-GMO Project Verified, and free of carrageenan, gluten, soy, and artificial fillers. Each batch is 3rd-party tested and manufactured in the USA in a cGMP-compliant facilitybecause your health deserves the highest standard.
NUTRITION YOU CAN TRUST: At Sports Research, we craft supplements with ingredients you recognize and results you can feel. Our D3 + K2 softgels deliver plant-based purity, clinical strength, and real transparency, helping you live brighter every daynaturally.*

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Picked by 397 people today

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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9.5

PrimeMD

4-in-1 Calcium 1200 mg with Vitamin D3 Supplements for Women and Men - Calcium Extra Strength with Vitamin D3 K2 5000 IU Supplement,1200 mg per Serving -Free - Vegan-Friendly (120 Count) (Pack of 1)

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Main Highlights

Whos This For Our calcium supplements for women & men are designed for adults who want to add extra support to their daily calcium intake. Formulated with Vitamin D3 and K2 to help the body utilize calcium as part of a balanced diet.
What are the ingredients - Our extra strength calcium supplement is enriched with D3 vitamin 125mcg, vitamin K2 100mcg, a blend of Calcium Citrate & Calcium Carbonate 1200mg, and Vitamin B12 1000mcg. It's vegan, gluten-free & has no fillers.
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 bone & muscles, while Vitamin B12 supports the nerves and overall well-being.
How to take - Adults should take 2 tablets daily with a meal and a glass of water. For optimal results, take at least 60 days. These calcium tablets have 1200mg per serving.

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9.2

NUTRAHARMONY

Calcium 1200 mg with Vitamin D3 - Calcium Citrate Supplements for Women & Men - Bone Health, Strength & Density - High Absorption & Slow Release - Lab Tested, Made in USA - 180 Tablets, 60 Days Supply

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Main Highlights

Calcium 1200mg & Vitamin D3+K2 stronger bones start here! This powerful Calcium supplement combines Calcium Citrate for superior bioavailability & Calcium Carbonate for maximum Calcium content per serving. Stay strong with essential Calcium with Vitamin D3 support.
Essential Bone Health & Support Calcium complex strengthens bones, and supports overall health! Helps maintain bone strength and density, ensuring bone integrity. Crafted for essential support of heart function and muscle performance, contributing to vitality. Supports healthy teeth by providing vital minerals for enamel and structure.
Slow-Release & Highly Bioavailable this advanced stomach-friendly Calcium & D3+K2 formula delivers highly bioavailable Calcium with slow-release technology for sustained effectiveness. Enhanced with Black Pepper & Magnesium to maximize absorption while remaining gentle on your stomach for daily comfort!
Made in USA With Globally Sourced Ingredients our Calcium tablets are proudly manufactured in the USA under strict quality control standards. Non-GMO and GMP certified, these Calcium & D3+K2 pills are produced with the most potent & fresh ingredients for maximum efficacy and purity in every batch.
Trustworthy Service at NUTRAHARMONY, we are committed to providing only premium-quality supplements, including our carefully crafted Calcium. You can trust that youre receiving scientifically formulated Calcium citrate supplement pills for bone health. Exceptional customer service puts your satisfaction first for a seamless, trustworthy wellness journey.

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9.0

Vitalitown

Vitalitown Vitamin D3 K2 Calcium 1200 mg, Vitamin D3 5000 IU, High Potency Bone Strength, Teeth & Immune System Support, Maximum Absorption, Easily Absorbable for Women & Men, 60 Tablets

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Main Highlights

High Potency Vitamin D3 & K2 - Each 2-tablet serving delivers a powerful combination of 5000 IU of Vitamin D3 and 100 mcg Vitamin K2 (MK-7), designed for individuals with limited sunlight exposure or higher vitamin D needs.* No worry anymore about sunless days!
Trio Bone Strength Support With Calcium* - Vitamin D3 supports better calcium absorption, while vitamin K2 directs calcium into bones instead of arteries.* Calcium is specially added for ultimate bone strength support.* This powerful combination supports healthy bones, teeth, immune system and long-term skeletal structure.*
All About Quality: Vitalitown Vitamin D3 K2 & Calcium Tablet is intended for both men and women free of artificial fillers, flavors, preservatives, and additives. All products are non-GMO, and contain no gluten, dairy, soy, egg, fish, shellfish, tree nuts, or peanuts.
Made in the USA: All Vitalitown products are manufactured and packaged in the USA. The products are tested by the third party for purity and potency to ensure that each and every bottle of Vitalitown products represents the highest standards.
The Way To Vitality: Here in Vitalitown, we believe nutrition is an important part of feeling healthy, active, and energetic which defines Vitality. We have been committed to providing high-quality supplements curated for your unique needs, bridging the nutritional gap and adding a dash of vitality to your life.

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8.8

Micro Ingredients

Calcium 1,200mg with Vitamin D3 & K2, 300 Tablets | Calcium Supplements for Women & Men | Mineral Complex Support Bone, Teeth, Colon & Cardiovascular Health | Non-GMO, Gluten-Free

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Main Highlights

Micro Ingredients offers an extra strength 4-in-1 calcium supplement with vitamin D3 + K2 and boron. Contains calcium carbonate, boron citrate, D3 as cholecalciferol, and K2 in its high-quality menaquinone-7 (MK7) form.
Each pouch contains 300 coated, bisected tablets, providing 25 mcg (1,000 IU) of vitamin D3, 25 mcg of vitamin K2, 1,200 mg of calcium, and 2 mg of boron per serving.
Calcium, boron, vitamin D3, and vitamin K2 are essential micronutrients that work together to support proper calcium absorption and replenishment. They help promote strong bones, healthy teeth, joint function, and overall skeletal health.
The bisected, coated tablet design offers multiple benefits as it makes the tablets easy to split for personalized dosing, ensures a smooth surface for easier swallowing, and protects the nutrients for maximum potency and stability.
Premium non-GMO supplements. Made without soy, dairy, and gluten. Ingredients must pass our 3rd party lab tests to ensure a product that is safe, pure, and potent.

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8.6

JINGYAT

Calcium Supplements for Women - Calcium 1200 mg with Vitamin D3 & K2 - High Absorption Extra Strength Calcium Citrate for Bone Health, Strength, Density, Muscle, Heart Support - Slow Release, Non-GMO

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Main Highlights

Calcium 1200mg & Vitamin D3+K2: Support your bone health with our 1200mg Calcium Supplement for Women. Powered by Calcium Citrate for optimal absorption, each serving helps strengthen and maintain healthy bones. Vitamin D3 enhances calcium absorption, while Vitamin K2 ensures calcium is directed to your bones where it's needed. Stay strong with essential Calcium with Vitamin D3 support.
Bone, Muscle & Heart Support: Unlock the full benefits of Calcium softgels with the added power of Magnesium, Vitamin D3, K2, and Black Pepper Extract. Magnesium plays a critical role in maintaining strong, healthy bones by enhancing calcium absorption and supporting muscle relaxation. Its also vital for a healthy heart, helping to improve cardiovascular function. Together with Vitamin D3 and K2, this Calcium Supplement works to ensure optimal calcium use in the body, keeping your bones, muscles, and heart in top shape. Black Pepper Extract increases bioavailability for maximum absorption.
Highly Bioavailable Calcium Softgels: Our Calcium Softgels Supplements for Women are the easiest, most effective way to support your bone, muscle, and heart health. Quick-absorbing and gentle on your stomach, they deliver steady calcium release throughout the day. No chalky taste or discomfortjust pure, powerful Calcium support with Vitamin D3, K2, and Magnesium. Stay strong and active with the softgel advantage!
Premium Calcium Supplements for Women: Our Calcium 1200mg with Vitamin D3 Softgels are formulated with high-quality, globally sourced ingredients to support bone, muscle, and heart health. Enhanced with Vitamin D3, Vitamin K2, and Magnesium, this supplement is designed for optimal calcium absorption. Each batch is rigorously tested for purity and potency to ensure you receive a safe and effective product. We follow strict GMP standards and use non-GMO ingredients in every softgel for your peace of mind.
The JINGYAT Difference: At JINGYAT, we believe true strength begins with clean, thoughtful formulation. Our Calcium 1200mg with Vitamin D3 & K2 softgels are crafted for those who want to support bone, muscle, and heart healthwithout compromise. Sourced from premium ingredients, our formula is delivered in fast-absorbing, gentle-on-the-stomach softgels, with zero artificial fillers, preservatives, or synthetic ingredients.

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8.3

Pure Encapsulations

Pure Encapsulations Calcium K/D | Supplement for Bone Strength, Immune System, Colon, and Cardiovascular Health* | 180 Capsules

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Main Highlights

Bone Health: Calcium K/D combines di-calcium malate with vitamins D and K for optimal bone health.*
Vascular Health: By activating matrix Gla-protein (MGP), vitamin K also helps maintain healthy calcium metabolism in vascular tissues, supporting healthy vascular elasticity.*
Bone Support: A 7-year study involving over 30,000 women indicates that combined calcium and vitamin D supplementation promotes healthy hip bones.*
Pure Quality: Our supplements are made with only premium ingredients sourced from trusted suppliers and guided by our nutritional experts, then carefully manufactured and tested to verify their potency and purity.
Pure Difference: What makes us different isn't just our process or what goes into our supplements -- what we leave out matters, too. Pure Encapsulations products are free from wheat, eggs, tree nuts & peanuts, gluten, artificial colors, flavors & sweeteners, coatings and shellacs, GMOs, and unnecessary binders, fillers & preservatives.

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8.1

Nature Made

Nature Made Calcium 300 Tablets 750 MG with D3&K

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Main Highlights

Nature Made Calcium 750 mg Plus D and K Enhanced Absorption Dietary Supplements 300 Tablet Bottle
Made with D3.
Maximum Strength for Bone Health.
Formulated for easy absorption. USP verified dietary supplement.
USP verified dietary supplement.

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8.1

Life Extension

Life Extension Bone Restore with Vitamin K2 – Bone Health Supplement for Strong Bones – 3 Types of Absorbable Calcium, Vitamins D3 and K2, Minerals – Gluten-Free, Non-GMO – 120 Capsules

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Main Highlights

Calcium for bone healthYour bones need calcium to stay strong and healthy. Our Bone Restore with Vitamin K2 delivers three forms of easy-to-absorb calcium like calcium carbonate, plus vitamin D3 to give your body the calcium it needs to maintain bone strength.
Bone-friendly vitamin K2Strong bones need more than calcium supplements. Thats why we added vitamin K2. It plays a crucial role in bone health and calcium absorption, but its not easy to get K2 from your diet alone. Bone Restore with Vitamin K2 helps ensure youre getting enough of this hard-to-get vitamin, encouraging sturdy bones at every age.
Must-have minerals for sturdy bonesYour body needs magnesium to maintain bone strength. Our bone health supplement delivers 300 mg of magnesium to keep your bones strong. But we didnt stop there! Our formula also delivers minerals like zinc, manganese and silicon to encourage healthy bone formation. And we added a special form of boron, a trace mineral vital for bone and joint strength.
Ingredients matterSourced using only the finest raw ingredients with the purity and potency your body deserves. The majority of our products are non-GMO, gluten-free and manufactured in the USAand a Certificate of Analysis is available for every product we produce.
Live your healthiest lifeFor over 40 years, weve been developing advanced, effective formulas made with the highest standards and based on the latest scientific findings. We believe the answers to a healthier, richer life are within reach, and that rigorous scientific research is the path to get us there. Thats why so many of our nutritional formulas are designed using specific ingredients and amounts based on scientific studies.

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Our Best Overall Choice

Best Choice

9.7

Sports Research

Sports Research® Vitamin D3 + K2 w/ Coconut Oil - Vegan Vitamin D 5000iu & Mk7 Vitamin K 100mcg for Bone & Immune Support - Vegan Certified · Non-GMO · Soy Free - 60 Softgels

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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

D3 + K2 TEAMWORK THAT MATTERS: Vitamins D3 and K2 work synergistically to support strong bones, immune health, and proper calcium metabolism.* D3 helps your body absorb calcium, while K2 (as MK-7) guides it to the bones where it belongs.* Together, they form a powerful combo for total-body wellness.*
PLANT-BASED, VEGAN-FRIENDLY FORMULA: Our D3 + K2 supplement uses vegan D3 (cholecalciferol) sourced from lichen and K2 (MK-7) derived from fermented chickpeas, with coconut MCT oil added to support optimal nutrient absorption.* No animal ingredients, everjust effective, science-backed support.*
ONCE-A-DAY IMMUNE & BONE SUPPORT: Each easy-to-swallow softgel delivers 125 mcg (5000 IU) of vegan D3 and 100 mcg of K2 (MK-7)the most bioavailable form of K2. Just one softgel per day helps promote bone health, immune support, and cardiovascular health in both women and men.*
CERTIFIED CLEAN & QUALITY TESTED: Our vitamin D3 and K2 formula is Vegan Certified, Non-GMO Project Verified, and free of carrageenan, gluten, soy, and artificial fillers. Each batch is 3rd-party tested and manufactured in the USA in a cGMP-compliant facilitybecause your health deserves the highest standard.
NUTRITION YOU CAN TRUST: At Sports Research, we craft supplements with ingredients you recognize and results you can feel. Our D3 + K2 softgels deliver plant-based purity, clinical strength, and real transparency, helping you live brighter every daynaturally.*

Show Price

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