10 Best Vitamin D3 K2 Nsf And Usp Certified of 2025

Tested and Reviewed: Top 10 Vitamin D3 K2 Nsf And Usp Certified deals with expert ratings from 8.1 to a perfect 10

April 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 vitamin d3 k2 nsf and usp certified 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

Sports Research

Sports Research Vitamin D3 with K2 Softgels - Plant Based K2 & Vegan D3 5000iu with Coconut MCT Oil - Vegan Certified, Soy & Gluten Free - 120 Count

Free Shipping

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

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

9.2

Pure Encapsulations

Pure Encapsulations Vitamin D3 & K2 - Bone & Vascular Health Support - Immune Function Support* - Gluten Free - Non-GMO - 120 Capsules

Free Shipping

Main Highlights

Supports Bone Strength: Pure Encapsulations Vitamin D3 & K2 helps maintain strong bones by aiding healthy calcium absorption and utilization*
Vascular Health Support: Vitamin K2 works with D3 to support arterial flexibility and healthy calcium distribution in blood vessels*
Immune Function Support: Delivers 4,000 IU of vitamin D3 to help support the immune system and seasonal wellness*
Pure Quality: Made with premium ingredients sourced from trusted suppliers, our Vitamin D3 & K2 capsules are carefully manufactured and tested for purity and potency
Pure Difference: What we leave out matters, too; Pure Encapsulations products are free from common allergens, artificial or unnecessary ingredients, and GMOs

Show Price

9.0

Dr. Berg Nutritionals

Dr. Berg Maximum Strength 2-in-1 Vitamin D3 K2 5,000 IU | Naturally Derived D3 | 4X Lab-Tested & Verified | High Absorption Formula | K2 D3 Vitamin Supplement - 60 Capsules

Free Shipping

Main Highlights

Our vitamin K2 and D3 with magnesium supplement is made up of 5000 IU of vitamin D3 and 50 mcg of vitamin K2. It also includes a unique blend of vitamin B6, zinc, magnesium, MCT oil, and ox bile you won't find in other formulas Includes a 60-day supply.
Our D3 + K2 vitamin supplement goes beyond the typical combo. Formulated with vitamin D3 with MK7 vitamin K2, it includes essential cofactors like magnesium, B6, and zinc to help your body absorb, activate, and properly use vitamin D. Its not just what you takeits what your body can use.
- Our powerful K2 D3 vitamin supplement contains fat-soluble vitamins that require dietary fat for proper absorption. MCT powder, a healthy fat source, enhances the bioavailability of vitamin D with K2, allowing your body to absorb and utilize these essential nutrients more efficiently.
Our vitamin D3 + K2 is thoughtfully developed in the United States and made in cGMP-certified facilities under strict quality standards. Crafted with care in every D3 K2 vitamin 5000 IU batch to ensure purity, potency, and consistency you can trust.
- If you are unhappy with this product, reach out to us within 30 days of your purchase date and we will take care of you.

Show Price

8.8

NatureWise

NatureWise Vegan Vitamin D3 + K2 - Natural D3 5000IU + Natural Vitamin K2 100mcg - Bone Support - High Absorption with Organic Cold-Pressed Olive Oil - Non-GMO

Free Shipping

Main Highlights

NATURAL VEGAN VITAMIN D3: Our Vegan Vitamin D3 is from VegaDelight, a natural D3 from sustainably sourced Lichen, an algae that produces a vegan and bioavailable vitamin D3.
NATURAL, CLINICALLY STUDIED VITAMIN K2: VitaMK7 is a natural source of Vitamin K2 that is clinically studied in supporting bone formation, while also supporting cardiovascular health.*
ORGANIC COLD-PRESSED OLIVE OIL: NatureWise Vegan Vitamin D3 + K2 is formulated with organic, cold-pressed olive oil that doesn't use heat or hexanes, to enhance the absorption of vitamin D3.*
CONTENTS CERTIFIED NSF: This supplement is NSF-certified, which means its contents are thoroughly tested for accuracy and purity, and has been confirmed for no harmful levels of contaminants.
VEGAN, NON-GMO: NatureWise Vegan Vitamin D3 + K2 is vegan, non-GMO, gluten-free, and does not contain wheat, eggs, soy, dairy, tree nuts, peanuts, fish, or shellfish.
3rd PARTY TESTED, USA MANUFACTURED: NatureWise Vegan Vitamin D3 is 3rd party tested for purity and efficacy and manufactured in the USA with clean, high-quality ingredients in a cGMP-certified facility.

Show Price

8.6

NOW Foods

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

Free Shipping

Main Highlights

SUPPORTS BONE HEALTH*/PLUS CARDIOVASCULAR SUPPORT*: NOW Vitamin D3 & K2 capsules combine two nutrients extensively researched for their contribution to the health of bones, teeth, and the cardiovascular system*
1,000 IU/45 mcg: Recent studies indicate that Vitamin D3 has an important function within the immune system.* Vitamin K is critical for the formation of a healthy, strong bone matrix*
CERTIFICATIONS/CLASSIFICATIONS: Non-GMO, Kosher, Soy Free
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.
Founded in 1968 by Elwood Richard, NOW is one of the largest independent, family- and employee-owned manufacturers of natural products

Show Price

8.3

Dr. Berg Nutritionals

Dr. Berg Maximum Strength 2-in-1 Vitamin D3 K2 10,000 IU | Naturally Derived D3 | 4X Lab-Tested & Verified | High Absorption Formula | K2 D3 Vitamin Supplement - 120 Capsules

Free Shipping

Main Highlights

Our vitamin K2 and D3 with magnesium is made up of 10,000 IU of vitamin D3 and 100 mcg of vitamin K2. It also includes a unique blend of vitamin B6, zinc, magnesium, MCT oil, and ox bile you won't find in other formulas Includes a 120-day supply.
Our D3 + K2 vitamin supplement goes beyond the typical combo. Formulated with vitamin D3 with MK7 vitamin K2, it includes essential cofactors like magnesium, B6, and zinc to help your body absorb, activate, and properly use vitamin D. Its not just what you takeits what your body can use.
Our powerful K2 D3 vitamin supplement contains fat-soluble vitamins that require dietary fat for proper absorption. MCT powder, a healthy fat source, enhances the bioavailability of vitamin D with K2, allowing your body to absorb and utilize these essential nutrients more efficiently.
Our vitamin D3 + K2 is thoughtfully developed in the United States and made in cGMP-certified facilities under strict quality standards. Crafted with care in every D3 K2 vitamin 10,000 IU batch to ensure purity, potency, and consistency you can trust.
- If you are unhappy with this product, reach out to us within 30 days of your purchase date and we will take care of you.

Show Price

8.1

Micro Ingredients

Micro Ingredients Vitamin D3 10,000 IU + K2 MK-7 200 mcg, 180 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

8.1

Nature Made

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

Free Shipping

Main Highlights

Strong bone support supplement: contains one 30 count bottle of Nature Made Vitamin D3 K2 Softgels for a 30-day supply
Nature Made Vitamin D3 and K2 softgels provide 5000 IU (125 mcg) of Vitamin D for immune support and to support healthy aging, bone health, teeth health and muscle health
Provides 100 mcg of Vitamin K2 to support healthy artery function; Adding K2 to D3 helps direct calcium to bones
Adults, take one of these D3 and K2 softgels daily with water; Designed for those with higher Vitamin D needs and/or deficiency, as determined by a healthcare professional(1)
Made in the USA with quality global ingredients, these gluten free Vitamin K2 D3 softgels contain no synthetic dyes and no artificial flavors
#1 Pharmacist Recommended Vitamin & Supplement Brand*
These statements have not been evaluated by the Food and Drug Administration; this product is not intended to diagnose, treat, cure, or prevent any disease

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:

10 Best Vitamin D3 K2 Nsf And Usp Certified of 2025

Tested and Reviewed: Top 10 Vitamin D3 K2 Nsf And Usp Certified deals with expert ratings from 8.1 to a perfect 10

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

Editor's bottom line:

Main Highlights

Sports Research

Sports Research Vitamin D3 with K2 Softgels - Plant Based K2 & Vegan D3 5000iu with Coconut MCT Oil - Vegan Certified, Soy & Gluten Free - 120 Count

Main Highlights

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

Main Highlights

Pure Encapsulations

Pure Encapsulations Vitamin D3 & K2 - Bone & Vascular Health Support - Immune Function Support* - Gluten Free - Non-GMO - 120 Capsules

Main Highlights

Dr. Berg Nutritionals

Dr. Berg Maximum Strength 2-in-1 Vitamin D3 K2 5,000 IU | Naturally Derived D3 | 4X Lab-Tested & Verified | High Absorption Formula | K2 D3 Vitamin Supplement - 60 Capsules

Main Highlights

NatureWise

NatureWise Vegan Vitamin D3 + K2 - Natural D3 5000IU + Natural Vitamin K2 100mcg - Bone Support - High Absorption with Organic Cold-Pressed Olive Oil - Non-GMO

Main Highlights

NOW Foods

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

Main Highlights

Dr. Berg Nutritionals

Dr. Berg Maximum Strength 2-in-1 Vitamin D3 K2 10,000 IU | Naturally Derived D3 | 4X Lab-Tested & Verified | High Absorption Formula | K2 D3 Vitamin Supplement - 120 Capsules

Main Highlights

Micro Ingredients

Micro Ingredients Vitamin D3 10,000 IU + K2 MK-7 200 mcg, 180 Softgels with Virgin Coconut Oil | 2-in-1 Vitamins D & K Complex | Extra Strength, Easy to Swallow, Non-GMO, Gluten Free

Main Highlights

Nature Made

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

Main Highlights

Our Best Overall Choice

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

Editor's bottom line:

Main Highlights

Deals are Live

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