10 Best K2 D3 Vitamin Supplement 3rd Party Tested of 2025

Tested and Reviewed: Top 10 K2 D3 Vitamin Supplement 3rd Party Tested deals with expert ratings from 8.1 to a perfect 10

September 2025 Edition

Editor's Choice

9.7

NatureBell

NatureBell Vitamin D3 5000 K2 (MK7) with Virgin Coconut Oil, 240 Softgels, 100mcg, 2 in 1 Support, Duo-Ack | 8 Months Supply | Third Party Tested, Non GMO & No Gluten

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Editor's bottom line:

“This k2 d3 vitamin supplement 3rd party tested is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

NatureBell one of a kind vitamin D3 K2 softgels. Contains the powerful bioactive ingredient Duo-Ack. Formulated with pure virgin coconut oil liquid that is designed for maximum absorption within the body, 2 in 1 formula complex supplement.
The Duo-Ack ingredient is the best 2 in 1 support formula that is standardized to contain top grade forms of vitamin D3 as cholecalciferol, which is the same form we get from the sun and Vitamin K2 as menaquinone-7, which is the best form accepted by the body.
Strongest multi-benefit vitamin supplements offering only 1 softgel per serving. 5000 iu vitamin D3 with 100 mcg of vitamin K2. Each bottle has 240 potent softgels totaling an 8 month supply of safe and effective ingredients.
Perfect nutritional supplements for obtaining a healthy source of these two essential advanced nutrients. Created for both men and women who are looking to support proper calcium use for bone health, teeth health, Heart Health, joint health, and overall immunity.
All natural non GMO ingredients. Free of gluten, wheat, soy, dairy, eggs, fish/shellfish, and peanuts. It is also 3rd party lab tested for purity and potency.

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Picked by 322 people today

9.5

Micro Ingredients

Vitamin D3 10000 iu Plus K2 (MK-7) 200 mcg, 300 Virgin Coconut Oil Softgels| 2 in 1 Vitamins D & K Complex | Supports Calcium Absorption, Bone, Immune, & Heart Health – Easy to Swallow

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Main Highlights

Micro Ingredients double strength 2 in 1 vitamin D3 + K2 coconut oil softgels. An efficiently absorbed formula that contains D3 as cholecalciferol and K2 in its top grade menaquinone (MK7) form.
Each pouch offers 300 easy to consume mini coconut oil infused softgels. A potent one a day complex that provides natural sunshine vitamin synergy. 10,000 iu Vitamin D3 and 200 mcg vitamin K2 per dose.
Vitamin D3 + K2 are essential micronutrients for adults that work together to support proper calcium absorption to our bones and teeth, while also promoting joint health, immune defense, and heart function.
Fat soluble vitamins like D and K are absorbed more completely when a fat source is present. The addition of the healthy MCT coconut oil offers the perfect fat for maximum nutrient bioavailability.
Premium non-GMO vitamin D3 + K2 supplements. Made without soy, dairy, gluten, preservatives, flavors, and peanuts. Ingredients must pass our 3rd party lab tests to ensure a product that is safe, pure, and potent.

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Best Value

9.5

Save 30%

ZHPHK

ZHPHK D3 K2 Vitamin 10,000 IU, K2 Vitamin with D3 Supplement High Potency Non-GMO Formula, Immune Supports, Bone & Heart Health Microingredients Vitamin D3 K2 Complex (MK-4 & MK-7), 60 Softgels

30% OffFree Shipping

Main Highlights

MULTI-BENEFIT VITAMIN: The D3 K2 Vitamin supplements with 250 mcg (10,000 IU), D3 along with 20 mcg of Vitamin K2 (MK-4) and 90 mcg of K2 (MK-7), this k2 d3 vitamin supplement promotes optimal calcium absorption, immune function, and overall vitality.
THE PERFECT PAIR: Vitamin D3 and K2 are the best partner, vitamin D3 helps the body to absorb calcium and vitamin K2 will direct it into bones, the perfect match maximize overall benefits.
BONE & HEART HEALTH: The synergistic action of Vitamins D3 K2 supports strong bones by aiding calcium absorption and directing it away from arteries, help to maintain healthy joint and a strong heart.
K2 D3 VITAMIN SUPPLEMENT: Studies indicate that Vitamin D3 has an important function within the immune system. The d3 k2 vitamins designed for those with higher Vitamin D needs and/or deficiency for women men.
QUALITY YOU CAN TRUST: The vit d3 10,000 IU softgels Non-GMO, Gluten-Free, and made in GMP-certified facility, 3rd-party tested. These capsules are designed to provide the highest level of purity and effectiveness.

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9.2

Save 25%

Bronson

Bronson Vitamin K2 (MK7) with D3 Supplement Non-GMO Formula 5000 IU Vitamin D3 & 90 mcg K2 MK-7 Easy to Swallow D & K Complex, 120 Capsules

25% OffFree Shipping

Main Highlights

The perfect pair: Vitamins K2 & D3 were simply meant to be together. Most people know the benefits of Vitamin D, but many dont realize that Vitamin D needs Vitamin K2 to maximize its benefits.
Strong bones: Vitamin K2D3 not only promotes the proper absorption of calcium with D3, but the correct distribution to your bones where you need it most.
Superior quality capsules: Laboratory tested, non-GMO, gluten free, & soy free. All Bronson products are tested in our state-of-the-art facility in New York.

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9.0

NutriFlair

NutriFlair Vitamins D3 (5000iu/125mcg) + K2 (as Mk7) - Made with Plant-Based Ingredients Plus BioPerine Black Pepper Extract, 90 Capsules - Supports Healthy Immune, Heart and Health - Non-GMO Pills

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Main Highlights

100% Plant-based - Made with Plant-based K2 from Chickpeas and D3 from Lichen - All Natural, vegan-friendly Vitamin D3 + K2 capsules
100 mcg of Vitamin K2 per capsule and 125 mcg (5000 IU) Vitamin D3 per capsule. Also enhanced with BioPerine (Black pepper fruit extract) to improve absorption
This 2-in-one K2 + D3 supplement provides incredible health benefits for heart and bone support*
Tested & Trusted Ingredients - Our non-gmo, soy-free, gluten-free and dairy-free, D3 Supplement with K2 is manufactured in the USA, in a duly registered, approved, inspected state-of-the-art facility, with strict adherence to Good Manufacturing Practices (GMP). Finished batches are 3rd Party Tested for Quality, Purity, and Potency. This includes all our Best Quality capsules, tablets, pills, gummies, supplements, vitamins, multivitamins, vegan and natural foods, powders, oils, and extracts.
Trusted Brand - Satisfaction Assured. If our Vitamins K2 + D3 supplement does not bring noticeable value to you and you don't absolutely love them, your purchase is on us. No Questions Asked. Our world-class customer service wants you to be satisfied with your purchase. Absolutely no risk. The bottle comes with the NutriFlair Satisfaction Pledge for 30 days. Have this almighty supplement and health protector by your side and support your heart and bone health, everyday

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8.8

Health Thru Nutrition

Health Thru Nutrition K2 + D3 Complex | K2 100mcg as MenaQ7 Menaquinone 7 MK7 & D3 1,000iu | 3rd Party Tested | Non-GMO (Pack of 60)

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Main Highlights

Powerful Formula: 1,000IU vitamin D3 along with 100mcg K2 as MK-7 form MenaQ7 is the safest, most effective K2, D3 complex available!
Natural: Our vitamin K2 D3 supplement include bio-identical cholecalciferol D3 and providing allergen-free supplementation!
Strong and Healthy Bones: Getting sufficient amounts of D3 is critical for absorbing other minerals and keeping aging bones healthy; these veggie capsules provide 125% of the recommended allowance!
Quality, Safety, Integrity: HTN's core beliefs guide us to empower people to live healthier lives by providing superior-quality nutrition products and serving as a trusted source of nutrition information.
Commitment: We stand behind our products and our customers every day; if you are not satisfied for any reason, let us know and we'll make it right; no questions asked.

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8.6

Nobi Nutrition

Vitamin D3 K2 5000 IU for Immune System, Strong Bones & Teeth Support | Vit D3 125mcg, Vitamin K2 MK7 100mcg, Calcium 210mg & BioPerine | 3rd-Party Tested, Non-GMO | 60 Capsules (2 Month Supply)

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Main Highlights

VITAMIN D3 WITH K2 (THE PERFECT PAIR): Vitamin D3 helps you fully absorb the calcium that your bones need to be strong and healthy, but Vitamin K2 is needed to send that calcium all the way to the bone where it actually makes a difference.* No Vitamin D supplement is complete without K2, and every bottle of K2-D3 contains a 2-month supply.
5000 IU VITAMIN D: Every capsule contains 125mcg of Vitamin D3 (5000 IU), 100 mcg of Vitamin K2, 210 mg of calcium, and 5 mg of Bioperine. Our formulation uses Vitamin D3, most similar to what the body produces from sunlight.* And our Vitamin K is MK-7, for longer lasting impact.*
CALCIUM INCLUDED: Calcium is the reason that Vitamin D3 and K2 are able to support bone health in the first place.* This K2-D3 vitamin supplement has all three parts of the process, guaranteeing you have everything you need.*
PROTECT YOUR TEETH: The bone support offered by K2-D3 with Calcium also works to strengthen and support your teeth.*
COMMITTED TO QUALITY: This K2 D3 Vitamin Supplement by Nobi Nutrition is Third-Party Tested and manufactured in a GMP registered facility.

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8.3

Sports Research

Sports Research Vitamin D3 K2 with Coconut Oil | Plant Based Vitamin K2 MK7 + Vegan D3 5000iu | Vegan Certified, Soy & Gluten Free - 60 Count Softgels

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Main Highlights

D3+K2 - BETTER TOGETHER: On their own, Vitamins D3 and K2 are essential micronutrients, but together, they're an essential team. Vitamin D3 helps your body absorb calcium, while vitamin K2 directs calcium to your bones instead of joints and arteries, where too much calcium could be problematic. Not that's teamwork!
PLANT BASED: Our Vitamin D and K supplement for women and men contains vegan D3 (cholecalciferol) from lichen and K2 from fermented chickpeas with added Coconut MCT Oil for enhanced absorption. This two-in-one super supplement is 100% free of animal ingredients and encapsulated in the first carrageenan-free plantgel softgel.
ONE-A-DAY FORMULA: Get the best of both worlds with Sports Research D3+K2. Just one easy-to-swallow veggie softgel provides 125cg (5000iu) of Vegan & 100mcg of Vitamin K2 (as MK7, the form of K2 with the highest bioavailability) for stronger bones and immune system support so you can shine your brightest.*
QUALITY TESTED: We hold all of our supplements to a higher standard. Our K2 with D3 vitamin supplement is Vegan Certified, Non-GMO Project Verified, and free of unwanted fillers, carrageenan, gluten, and soy. Each batch is third-party tested for quality and manufactured in the USA in a cGMP-compliant facility.
THE SPORT OF LIFE: Founded in Southern California in 1980, Sports Research is a family-owned business born from a passion for fitness and wellness. Our goal is to embrace the sport of life through research-backed products created for every bodyinside and out.

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8.1

VivoNu

Vitamin D3 10000 iu Plus K2 (MK-7) 200 mcg, 300 Coconut Oil Softgels| 2 in 1 VIT D & K Complex | Supports Calcium Absorption, Bone, Immune, & Heart Health – Easy to Swallow (300 Softgels /1 Bag)

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Main Highlights

VivoNu Double Strength:2 in 1 Vitamin D3 + K2 coconut oil softgels. An efficiently absorbed formula that contains D3 as cholecalciferol and K2 in its top grade menaquinone (MK7) form.The MCT coconut oil offers perfect fat for maximum nutrient bioavailability.
Overall Health:Vitamin D3 + K2 are essential micronutrients for adults that work together to support proper calcium absorption to our bones and teeth, while also promoting joint health, immune defense, and heart function
Easy to swallow:Each bag contains 300 softgels, one softgel per day ensures optimal levels of two key vitamins for a more complete body
Vegan & Cruelty-Free:Premium non-GMO vitamin D3 + K2 supplements. Made without soy, dairy, gluten, preservatives, flavors, and peanuts. Suitable for vegan and vegetarian
Note:This product is a creamy yellow capsule, not golden yellow. There may be creamy white spots in the softgel. If they stick together, you can shake them apart without affecting the effect. There may be a slight odor when you first open it.

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8.1

InnovixLabs

InnovixLabs Vitamin D3 K2-5000 IU Vitamin D3 Plus 600 mcg Vitamin K2 MK4 and MK7 for Max Calcium Absorption, Supports Bone, Immune, Heart Health, 3rd Party Tested, Gluten Free, 60 Softgels

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Main Highlights

Synergistic ADK Blend, Innovix Vitamin D3 K2 capsules contain Vitamin D3 5000IU, 600mcg Vitamin K2 MK7 and MK4, and Vitamin A 3000 IU that work together to help enhance calcium regulation, deliver immune support, and improve bone health
Both Forms of Vitamin K2, say goodbye to less efficient vitamin K2 D3 blends Our vitamin K2 supplement features bioactive TRANS forms of vitamin K2 MK4 and MK7 that are easily absorbed by your body providing maximum benefits
Boost Overall Health, these K2 D3 vitamin capsules support overall wellness and bone health The powerful vitamin D K2 and A combination supports calcium transport into bones instead of soft tissues
Third-Party Tested, all ADK vitamin supplement batches undergo rigorous third-party testing for purity, potency, and freshness The D3 K2 vitamins are encapsulated, tested, and bottled in a cGMP certified facility in California for quality and reliability
We Care About You, our vitamin D3 K2 A is small easy to swallow allergen-friendly and backed by exceptional customer service We prioritize your health and strive to provide you with premium vitamin D K2 A vitamins that support your overall wellbeing

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Our Best Overall Choice

Best Choice

9.7

NatureBell

NatureBell Vitamin D3 5000 K2 (MK7) with Virgin Coconut Oil, 240 Softgels, 100mcg, 2 in 1 Support, Duo-Ack | 8 Months Supply | Third Party Tested, Non GMO & No Gluten

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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

NatureBell one of a kind vitamin D3 K2 softgels. Contains the powerful bioactive ingredient Duo-Ack. Formulated with pure virgin coconut oil liquid that is designed for maximum absorption within the body, 2 in 1 formula complex supplement.
The Duo-Ack ingredient is the best 2 in 1 support formula that is standardized to contain top grade forms of vitamin D3 as cholecalciferol, which is the same form we get from the sun and Vitamin K2 as menaquinone-7, which is the best form accepted by the body.
Strongest multi-benefit vitamin supplements offering only 1 softgel per serving. 5000 iu vitamin D3 with 100 mcg of vitamin K2. Each bottle has 240 potent softgels totaling an 8 month supply of safe and effective ingredients.
Perfect nutritional supplements for obtaining a healthy source of these two essential advanced nutrients. Created for both men and women who are looking to support proper calcium use for bone health, teeth health, Heart Health, joint health, and overall immunity.
All natural non GMO ingredients. Free of gluten, wheat, soy, dairy, eggs, fish/shellfish, and peanuts. It is also 3rd party lab tested for purity and potency.

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NatureWise Vitamin D3 4000IU + K2 (MK7) 100mcg with Organic Extra Virgin Coconut Oil - Supports Calcium Absorption, Bone & Immune Health - Non-GMO, Soy & Gluten-Free - 30 Softgels[1-Month Supply]

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10 Best K2 D3 Vitamin Supplement 3rd Party Tested of 2025

Tested and Reviewed: Top 10 K2 D3 Vitamin Supplement 3rd Party Tested deals with expert ratings from 8.1 to a perfect 10

NatureBell

NatureBell Vitamin D3 5000 K2 (MK7) with Virgin Coconut Oil, 240 Softgels, 100mcg, 2 in 1 Support, Duo-Ack | 8 Months Supply | Third Party Tested, Non GMO & No Gluten

Editor's bottom line:

Main Highlights

Micro Ingredients

Vitamin D3 10000 iu Plus K2 (MK-7) 200 mcg, 300 Virgin Coconut Oil Softgels| 2 in 1 Vitamins D & K Complex | Supports Calcium Absorption, Bone, Immune, & Heart Health – Easy to Swallow

Main Highlights

ZHPHK

ZHPHK D3 K2 Vitamin 10,000 IU, K2 Vitamin with D3 Supplement High Potency Non-GMO Formula, Immune Supports, Bone & Heart Health Microingredients Vitamin D3 K2 Complex (MK-4 & MK-7), 60 Softgels

Main Highlights

Bronson

Bronson Vitamin K2 (MK7) with D3 Supplement Non-GMO Formula 5000 IU Vitamin D3 & 90 mcg K2 MK-7 Easy to Swallow D & K Complex, 120 Capsules

Main Highlights

NutriFlair

NutriFlair Vitamins D3 (5000iu/125mcg) + K2 (as Mk7) - Made with Plant-Based Ingredients Plus BioPerine Black Pepper Extract, 90 Capsules - Supports Healthy Immune, Heart and Health - Non-GMO Pills

Main Highlights

Health Thru Nutrition

Health Thru Nutrition K2 + D3 Complex | K2 100mcg as MenaQ7 Menaquinone 7 MK7 & D3 1,000iu | 3rd Party Tested | Non-GMO (Pack of 60)

Main Highlights

Nobi Nutrition

Vitamin D3 K2 5000 IU for Immune System, Strong Bones & Teeth Support | Vit D3 125mcg, Vitamin K2 MK7 100mcg, Calcium 210mg & BioPerine | 3rd-Party Tested, Non-GMO | 60 Capsules (2 Month Supply)

Main Highlights

Sports Research

Sports Research Vitamin D3 K2 with Coconut Oil | Plant Based Vitamin K2 MK7 + Vegan D3 5000iu | Vegan Certified, Soy & Gluten Free - 60 Count Softgels

Main Highlights

VivoNu

Vitamin D3 10000 iu Plus K2 (MK-7) 200 mcg, 300 Coconut Oil Softgels| 2 in 1 VIT D & K Complex | Supports Calcium Absorption, Bone, Immune, & Heart Health – Easy to Swallow (300 Softgels /1 Bag)

Main Highlights

InnovixLabs

InnovixLabs Vitamin D3 K2-5000 IU Vitamin D3 Plus 600 mcg Vitamin K2 MK4 and MK7 for Max Calcium Absorption, Supports Bone, Immune, Heart Health, 3rd Party Tested, Gluten Free, 60 Softgels

Main Highlights

Our Best Overall Choice

NatureBell

NatureBell Vitamin D3 5000 K2 (MK7) with Virgin Coconut Oil, 240 Softgels, 100mcg, 2 in 1 Support, Duo-Ack | 8 Months Supply | Third Party Tested, Non GMO & No Gluten

Editor's bottom line:

Main Highlights

Related Deals You Might Like for K2 D3 Vitamin Supplement 3rd Party Tested

Nature Made Vitamin D3 K2, 5000 IU (125 mcg) Vitamin D, Dietary Supplement for Bone, Teeth, Muscle and Immune Health Support, 30 Softgels, 30 Day Supply

VITBOOST Vitamin D3 K2 Complex - Easy to Swallow - Vitamin D (D3) 5000 IU (125 mcg) & K2(MK-7) 90 mcg | Non-GMO | Gluten-Free | USA Made | 120 Capsules

NOW Supplements, Vitamin D-3 & K-2, 1,000 IU/45 mcg,Plus Cardiovascular Support*, Supports Bone Health*, 120 veg Capsules

Vitalitown Vitamin D3 K2 Supplement, Vitamin D3 10000 IU Vitamin K2 (MK7) 200 mcg, 90 Softgels, Non-GMO, No Gluten & Soy, for Bone, Teeth, Immune, Heart & Muscle Health

NatureWise Vitamin D3 4000IU + K2 (MK7) 100mcg with Organic Extra Virgin Coconut Oil - Supports Calcium Absorption, Bone & Immune Health - Non-GMO, Soy & Gluten-Free - 30 Softgels[1-Month Supply]

NatureWise Vitamin D3 5000IU + K2 (MK7) 100mcg with Organic Extra Virgin Coconut Oil - Supports Calcium Absorption, Bone & Immune Health - Non-GMO, Soy & Gluten-Free - 30 Softgels[30-Day Supply]

Nutricost Vitamin K2 (MK7) (100mcg) + Vitamin D3 (5000 IU) 120 Softgels - Gluten Free and Non-GMO

NutriFlair Vitamins D3 (5000iu/125mcg) + K2 (as Mk7) - Made with Plant-Based Ingredients Plus BioPerine Black Pepper Extract, 90 Capsules - Supports Healthy Immune, Heart and Health - Non-GMO Pills

BulkSupplements.com Vitamin D3 + K2 5000 IU Softgels - D3 K2 Supplement, for Immune Health - Gluten Free, 1 Softgel per Serving, 365 Count (Pack of 1)

Pure Encapsulations Vitamin D3 & K2 | Bone and Vascular Health Support | 120 Capsules*

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NOW Supplements, Vitamin D-3 & K-2, 1,000 IU/45 mcg,Plus Cardiovascular Support, Supports Bone Health, 120 veg Capsules