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Customer Reviews
4.4 out of 5 stars 6,724
4.3 out of 5 stars 7,588
4.7 out of 5 stars 17,921
4.7 out of 5 stars 3,451
4.6 out of 5 stars 3,231
4.4 out of 5 stars 6,548
4.3 out of 5 stars 2,623
Price
$34.00$34.00
$36.00$36.00
$44.00$44.00
$26.00$26.00
$41.00$41.00
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$52.00$52.00
Servings
600
30
90
90
90
30
60
Primary Benefits
Bone & Joint Health
Foundational Support
Sports Performance
Muscle & Sleep Support
Heart & Brain Health
Heart & Gut Health
Muscle & Sleep Support
Key Ingredients
Vitamin D/K2
Vitamin B, Magnesium
Creatine Monohydrate
Magnesium Glycinate
Omega-3 Fatty Acids
Berberine Phytosome
Magnesium
Gluten & Dairy Free
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Trusted by 45K+ Health Pros
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3rd Party Certified
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Is Vitamin D + K2 right for me?
Vitamin D + K2 is ideal for those wanting to support bone, cardiovascular, and immune health.* Consult your health-care provider to see if this product is right for your individual needs.
What testing does Thorne complete for Vitamin D + K2?
We test this supplement for identity, purity, and potency to meet our strict quality standards. The NSF Contents Certified mark indicates that it has been third-party tested according to strict standards for quality, safety, and label claims.
Why is Vitamin D3 considered the preferred form?
Vitamin D3 is the preferred form of vitamin D because research shows it is more effective at raising and maintaining healthy vitamin D levels in the blood than vitamin D2.*
Why are Vitamin D and K2 often taken together?
Vitamin D3 and vitamin K2 work synergistically in the body. For individuals supplementing with vitamin D, adding vitamin K2 can provide complementary support for bone and cardiovascular health.*
How do Vitamin D and K2 work together in the body?
Vitamin D enhances calcium absorption and retention, while vitamin K2 helps direct the absorbed calcium to appropriate areas, like bones and teeth, and helps keep it out of soft tissues, where excess calcium can build up.*
Product Dimensions : 1.25 x 1.25 x 3.35 inches; 2.72 ounces
Item model number : 11793
Department : unisex-adult
Date First Available : October 2, 2001
Manufacturer : Thorne Research
ASIN : B0038NF8MG
Best Sellers Rank: #3,067 in Health & Household (See Top 100 in Health & Household) #17 in Vitamin D3 & K2 Combinations #311 in Diet & Sports Nutrition
Customer Reviews: 4.4 4.4 out of 5 stars (6,724) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
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 trusted by 100+ professional sports teams and the #1 most recommended clinical brand by consumers and health-care practitioners (Based on a 2026 independent survey of US supplement consumers and health-care practitioners)

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