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

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

Free Shipping

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

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

Picked by 397 people today

9.5

Micro Ingredients

Micro Ingredients Vitamin D3 5,000 IU + K2 MK-7 100 mcg, 300 Softgels | 2-in-1 Vitamins D & K Complex | Extra Strength, Easy to Swallow, Non-GMO, Gluten Free

Free Shipping

Main Highlights

Micro Ingredients Vitamin D3 Plus MK7 Vitamin K2 (Vitamin D3 K2), 300 Softgels, No GMOs and Easy to Swallow.
Each pouch includes 300 mini softgels, delivering a potent one a day complex with 5,000 IU of vitamin D3 and 100 mcg of vitamin K2 per serving to provide natural sunshine vitamin synergy.
Vitamin D3 and K2 are essential micronutrients for adults, offered in high quality, stable forms that pair together for closely related and comprehensive benefits.
No GMOs, No Dairy, No Preservatives, No Artificial Colors, No Flavors, No Soy, No Tree Nuts, and No Gluten. 3rd Party Lab Tested for Purity and Safety.
Directions: It's normal for softgels to stick together and clump during warm weather conditions. This does NOT affect the quality or efficacy of the product. To release the clumps, give your bottle a good shake or knock it against the counter.

Show Price

9.5

Micro Ingredients

Micro Ingredients Vitamin D3 10,000 IU + K2 MK-7 200 mcg, 300 Softgels with Virgin Coconut Oil | 2-in-1 Vitamins D & K Complex | Extra Strength, Easy to Swallow, Non-GMO, Gluten Free

Free Shipping

Main Highlights

Micro Ingredients offers double-strength vitamin D3 + K2 softgels. An efficiently absorbed 2-in-1 formula featuring D3 as cholecalciferol and K2 in its top-grade menaquinone-7 (MK-7) form.
Each pouch includes 300 mini softgels infused with coconut oil, delivering a potent one a day complex with 10,000 IU of vitamin D3 and 200 mcg of vitamin K2 per serving to provide natural sunshine vitamin synergy.
Fat soluble vitamins like D and K are absorbed more effectively when a fat source is present. The addition of MCT coconut oil provides a clean, natural carrier for optimal nutrient delivery.
Vitamin D3 and K2 are essential micronutrients for adults, offered in high quality, stable forms that pair together for closely related and comprehensive benefits.
Premium non-GMO vitamin D3 + K2 supplements. Made without soy, dairy, and gluten. Ingredients must pass a 3rd party lab test to ensure our product is safe, pure, and potent.

Show Price

9.2

NatureBell

NatureBell Vitamin D3 K2-240 Softgels - 5,000 IU Vitamin D3 & 100mcg Vitamin K2 MK-7 - with Virgin Coconut Oil - Bone, Heart & Immune Health Support* - Duo-Ack Formula

Free Shipping

Main Highlights

Complete D3 K2 Support: NatureBell Vitamin D3 K2 includes 5,000 IU Vitamin D3 and 100mcg MK-7 to support bone, teeth, heart, and immune health while aiding calcium absorption*
Duo-Ack Bioactive Formula: Features the powerful Duo-Ack ingredient, combining top-grade forms of vitamin D3 and vitamin K2 for advanced daily wellness support*
Enhanced Absorption: Formulated with pure virgin coconut oil designed to help the body absorb these essential nutrients efficiently*
Third-Party Tested: These softgels are third-party lab tested for quality and potency; they are also non-GMO, gluten-free, dairy-free, soy-free, wheat-free, egg-free, and peanut-free
Pure, High-Quality Ingredients: At NatureBell, we use only the finest ingredients to help support you on your health and wellness journey

Show Price

9.0

Triquetra Health

Organic Plant D3 + K2 | 5000 iu D3 + 120 mcg K2 as All-Trans MK7 from MenaQ7® - 100% Whole Food, Raw & Vegan | Enhanced Digestion with Prebiotic & Superfood Complex – D3 from Organic Algae (60 Count)

Free Shipping

Main Highlights

ORGANIC, WHOLE FOOD & PLANT-BASED D3 & K2 (MK7): Plant-D3 is Organic Vitamin D3 derived from sun-grown algae delivered in the optimal Cholecalciferol form. Our K2 is in MK7 is the superior all-Trans form.
MAX STRENGTH, 5000 iu D3 & 120 mcg of K2: Each serving provides maximum strength, clinically validated doses.
ENHANCED WITH PREBIOTIC SUPERFOOD COMPLEX:: Plant-D3 is optimized with a superfood complex that includes digestion enhancing prebiotics.
VITAMIN K2 AS ALL-TRANS MK7 from MenaQ7 - 94% MORE EFFECTIVE: All-Trans K2 is the 100% BioActive form of K2 that activates K2-dependent enzymes and proteins. A majority of K2 in the market is a blend of "cis" form MK7, which is biologically inactive and cannot easily be absorbed. A majority of K2 on the market is less than 6% Trans MK7.
USDA ORGANIC CERTIFIED, 3RD PARTY TESTED: Plant-D3 is organically certified by the USDA and exceeds all vegan standards. It is GMO-free, soy-free, gluten-free, preservative-free, additive-free. It is produced in a cGMP & organic certified facility in the USA and is 3rd party tested for over 100+ toxins or microbial.

Show Price

8.8

Sandhu's

Sandhu's Vitamin D3 K2 Magnesium 5000 IU, 120mcg K2 Capsules 120 Count (Pack of 1) | with VIT B6, Zinc & Quercetin | D3K2 Supports Superior Absorption, Energy, Immune, Muscle Health for Men & Women

Free Shipping

Main Highlights

Vitamin D3 K2 5000 IU with Magnesium supplement for men & women supports calcium absorption, energy, immune & muscle health. Made in NSF Certified facility in the USA.
supplement is made with of Vitamin D3, of Vitamin K2 and 25mg of Magnesium. It also includes a synergistic blend of Vitamin B6, Zinc, and to support natural energy, immune, bone health and overall vitality.
Supports & - Vitamin D3 plays a key role in supporting calcium absorption, while Vitamin K2 contributes to proper calcium deposition and effective use within the body.*
This mindfully crafted vitamin d3+k2 blend contains all essential ingredients to support the . The formulation features Vitamin k2d3, which work synergistically to support nutrient absorption that are crucial for maintaining . Additionally, magnesium and zinc contribute to .
- Take 1 capsule a day consistently for 3 months to see real results. & save to stay committed to your hassle-free wellness.*
Provides - Essential trace minerals like magnesium and zinc, along with vitamin B6, help support a balanced mood.*
Our D3K2 supplement also provides magnesium and zinc, essential trace minerals that participate in numerous enzymatic reactions within the body, which are vital for energy production.
- Vitamin D3+K2 works best with daily use and long-term supportthis isnt a one-time fix. Subscribe & save to maintain your health routine month after month, with ease and confidence. - Our easy to swallow k2 d3 magnesium vitamin supplement capsules are gluten & dairy free. Each bottle has a supply of 4 months.
' At Sandhu's, our formulas are backed by research and developed by experts, reflecting our commitment to science-driven wellness. Each product is thoughtfully crafted with high-quality, effective ingredients and third-party tested to ensure purity and potency in every easy-to-swallow capsule.
- Our supplements are manufactured with globally sourced ingredients, packed, tested, and distributed in the USA under strict cGMP standards. Each capsule is expertly crafted by practitioners in the USA, to ensure top-tier quality and effectiveness for your health needs.

Show Price

8.6

Dr. Berg Nutritionals

Dr. Berg Vitamin D3 & K2 5,000 IU + MK-7 – 60 Capsules – Immune, Bone & Heart Support* Supplement w/Magnesium, Zinc, B6 – 4X Lab-Tested – No Fillers – Non-GMO, cGMP, Formulated in USA

Free Shipping

Main Highlights

, & : A Potent blend of vitamin D3 (5,000 IU), K2, magnesium, and zinc to help support immunity, strong bones, and cardiovascular wellness*without junk fillers.
, : 7-in-1 science-backed formulano maltodextrin, starch, gluten, or unnecessary additives. Only clean, tested ingredients for daily confidence.
, 60 : Get full support in a single daily capsuleno complicated routines, easy, reliable nutrition every day.
- & : Each batch undergoes four layers of lab verification, including third-party testing for heavy metalsso you know exactly what youre getting.
. , : Developed by a trusted health educator and backed by decades of experience and thousands of educational videos worldwideeducation, not hype.

Show Price

8.3

Bronson

Bronson Vitamin K2 D3 (MK7) Supplement Non-GMO Formula Vitamin D3 5000IU (125 mcg) & 90 mcg K2 MK-7, Easy to Swallow D & K Complex, 60 Capsules

Free 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: This formula 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.
Trusted Since 1960: The pioneers of Bronson Vitamins were a group of pharmacists who witnessed the benefits of vitamins and mineral supplementation firsthand with their patients. Bronson Vitamins have been consistently mentioned by top medical professionals since our inception in 1960.

Show Price

8.1

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

Free 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.
Trusted Since 1960: The pioneers of Bronson Vitamins were a group of pharmacists who witnessed the benefits of vitamins and mineral supplementation firsthand with their patients. Bronson Vitamins have been consistently mentioned by top medical professionals since our inception in 1960.

Show Price

8.1

NaturElan

Vitamin D3 K2 - 20,000 IU D3 + 200mcg K2(MK-7), 180 Capsules, Supports Bone, Immune, Heart & Teeth Health, Third-Party Tested, Vegan, Non-GMO, Gluten Free K2 D3 Vitamin Supplement for Men & Women

Free Shipping

Main Highlights

High-Dose Vitamin D3 + K2 Supplement Synergy: Each D3 + K2 capsule delivers 20,000 IU of Vitamin D3500mcg and 200 mg of Vitamin K2(MK-7). Vitamin D3 and K2 work in perfect harmony, working together to support bone health, calcium utilization, and immune system function.
Long-Term Supply: 180 capsules in one bottle, this Vitamin D3 K2 supplement offers a 180-days supply, ensuring sustained supports for half a year with just one capsule daily!
Clean, Pure Ingredients & High Quality: Our Vitamin D3 K2 capsules made with high-quality, pure ingredients, and no artificial colors or preservatives. Also our Vitamin D3 K2 supplements are produced in a cGMP-certified facility, FDA-registered, and THIRD-PARTY TESTED, ensuring each batch meets the strictest quality, safety, and purity standards. You can trust the consistency, potency, and reliability of our Vitamin D3 K2!
Germany's Go-To Brand: NaturElan is one of the most beloved brands in Germany with countless satisfied customers online and offline. Experience the quality that customers rave about!
Your Satisfaction Matters: Your satisfaction is our top priority. If you're not happy with our Vitamin D3 K2 capsules, we're here to help resolve any concerns or issues you may have. Give our Vitamin D3 K2 capsules a try without any worries!

Show Price

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

Free Shipping

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

Deals are Live

Special Amazon deal ends in: