10 Best Thorne Vitamin D K2 of 2025

Tested and Reviewed: Top 10 Thorne Vitamin D 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 thorne vitamin d 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

THORNE

THORNE - Vitamin D + K2 Liquid with a Metered Dispenser - Vitamins D3 & K2 to Support Healthy Bones & Muscles* - 1 Fl Oz (30 ml) - 600 Servings

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Main Highlights

Bone & Muscle Health: Both vitamin D and vitamin K2 provide advanced support for bone and muscle health, as well as cardiovascular health and immune function*
Promotes Calcium Absorption: Vitamin D is necessary for calcium absorption, and vitamin K is important for directing calcium to the bones and away from the soft tissues, such as the blood vessels and kidneys*
Combo Effect: A convenient self-dispensing top provides accurate dosing of individual drops of well-tolerated vitamins D3 and K2, which offer greater support when taken together*
Third-Party Certified: This product has been third-party tested and certified to verify what's in the package matches what's on the label and to confirm it contains no unsafe levels of contaminants
Trusted: Thorne is chosen by champions and trusted by 100+ professional sports teams, a proud partner of U.S. National Teams, and the #1 recommended clinical brand by health-care practitioners (2023 Health-Care Practitioner Seller Survey)

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9.5

Pure Encapsulations

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

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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

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9.2

THORNE

THORNE - Vitamin K - Vitamins K1 and K2 (as MK-4 and MK-7) Supplement - Supports Strong Bones* - Clinically Studied Ingredients - Gluten, Dairy & Soy-Free - 60 Servings

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Main Highlights

Comprehensive Formula: Provides 3 clinically studied types of vitamin K for optimal health vitamin K1, vitamin K2 as MK-4, and vitamin K2 as MK-7
Bone Health: Pairs with vitamin D to contribute to bone strength and density, and with magnesium to direct calcium to the bones and away from soft tissues like blood vessels*
Heart Health: Helps to maintain the health and elasticity of the arteries and supports the normal ability of the blood to clot*
Third-Party Certified: This product has been third-party tested and certified to verify what's in the package matches what's on the label and to confirm it contains no unsafe levels of contaminants
Trusted: Thorne is chosen by champions and trusted by 100+ professional sports teams, a proud partner of U.S. National Teams, and the #1 recommended clinical brand by health-care practitioners (2023 Health-Care Practitioner Seller Survey)

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9.0

Pure Encapsulations

Pure Encapsulations Vitamin D3 & K2 - Bone & Vascular Health Support - Immune Function Support* - Gluten Free - Non-GMO - 60 Capsules

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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

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8.8

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

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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

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8.6

Nordic Naturals

Nordic Naturals Vitamin D3 + K2, Orange Taste - 60 Soft Gels - Synergistic Support for Bones, Immune Function & Calcium Balance - Non-GMO - 60 Servings

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Main Highlights

SUPPORTS BONES & ARTERIES*Vitamin D3 + K2 helps draw calcium into the bones to support bone density while inhibiting the calcification of soft tissues and blood vessels.*
SYNERGISTIC FORMULAVitamin D3 + Vitamin K2 work together in synergy to support the proper use of calcium in the body.* Our formula combines both in one daily soft gel.
HIGHLY BIOAVAILABLEOur formula includes 2000 IU vitamin D3, the most bioactive form of vitamin D, with 90 mcg vitamin K2 as MK-7, the most bioavailable form of vitamin K2.*
PURITY GUARANTEED - Everything we make is third-party tested, surpassing the strictest international standards for purity & freshness. This product is non-GMO, gluten & dairy free, and contains no artificial colors or flavors.
ETHICAL INNOVATION - Nordic Naturals is proud to be at the forefront of sustainable & ethical practices in the natural products industry. Through science & innovation, we are committed to delivering safe, effective nutrients to support foundational wellness.

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8.3

THORNE

THORNE - Vitamin D Liquid - Vitamin D Supplement - Supports Healthy Bones and Muscles, Cardiovascular Health & Immune Function* - 1 Fl Oz (30 ml) - 600 Servings

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Main Highlights

Vitamin D3 Benefits: Supports healthy teeth and bones by enhancing the absorption of calcium; supports immune function and cardiovascular health*
Optimal Absorption: Vitamin D3 (as cholecalciferol) is more potent and better absorbed than vitamin D2 (or ergocalciferol); research shows vitamin D3 is more effective at raising overall vitamin D levels*
Easy to Take: The liquid form makes supplementation easy to customize for adults and children and can be mixed with food or beverages for ease of use
Third-Party Certified: This product has been third-party tested and certified to verify what's in the package matches what's on the label and to confirm it contains no unsafe levels of contaminants
Trusted: Thorne is chosen by champions and trusted by 100+ professional sports teams, a proud partner of U.S. National Teams, and the #1 recommended clinical brand by health-care practitioners (2023 Health-Care Practitioner Seller Survey)

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8.1

NOW Foods

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

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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.
Packaged in the USA by a family owned and operated company since 1968

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8.1

THORNE

THORNE - Vitamin K2 Liquid (1 mg per Drop) - Concentrated Vitamin K2 Supplement for Heart and Bone Support* - Gluten, Dairy & Soy-Free - 1 Fl Oz

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Main Highlights

Bone Health: Contributes to bone strength and density by helping to direct calcium to the bones and keeping it from accumulating in soft tissues*
Heart Health: Supports a healthy heart and blood vessels with MK-4, an extensively studied form of vitamin K2*
Liquid Vitamin K2: Self-dispensing top provides an accurate, safe, and individualized serving, by metering individual drops with 1 mg of vitamin K2 (as MK-4) per drop
4 Rounds of Testing: Our state-of-the-art laboratories enable us to conduct 4 rounds of testing on every product, from analyzing the purity of raw materials to confirming the shelf life of finished formulas
Trusted: Thorne is chosen by champions and trusted by 100+ professional sports teams, a proud partner of U.S. National Teams, and the #1 recommended clinical brand by health-care practitioners (2023 Health-Care Practitioner Seller Survey)

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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

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

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Special Amazon deal ends in:

10 Best Thorne Vitamin D K2 of 2025

Tested and Reviewed: Top 10 Thorne Vitamin D K2 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

THORNE

THORNE - Vitamin D + K2 Liquid with a Metered Dispenser - Vitamins D3 & K2 to Support Healthy Bones & Muscles* - 1 Fl Oz (30 ml) - 600 Servings

Main Highlights

Pure Encapsulations

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

Main Highlights

THORNE

THORNE - Vitamin K - Vitamins K1 and K2 (as MK-4 and MK-7) Supplement - Supports Strong Bones* - Clinically Studied Ingredients - Gluten, Dairy & Soy-Free - 60 Servings

Main Highlights

Pure Encapsulations

Pure Encapsulations Vitamin D3 & K2 - Bone & Vascular Health Support - Immune Function Support* - Gluten Free - Non-GMO - 60 Capsules

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

Nordic Naturals

Nordic Naturals Vitamin D3 + K2, Orange Taste - 60 Soft Gels - Synergistic Support for Bones, Immune Function & Calcium Balance - Non-GMO - 60 Servings

Main Highlights

THORNE

THORNE - Vitamin D Liquid - Vitamin D Supplement - Supports Healthy Bones and Muscles, Cardiovascular Health & Immune Function* - 1 Fl Oz (30 ml) - 600 Servings

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

THORNE

THORNE - Vitamin K2 Liquid (1 mg per Drop) - Concentrated Vitamin K2 Supplement for Heart and Bone Support* - Gluten, Dairy & Soy-Free - 1 Fl Oz

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