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Thorne Vitamin D + K2

Vitamin D + K2

95Score
Grade A · liquid · 600 servings · $34.00

Vitamin D + K2 scores 95/100 (A grade). Strengths: All ingredients have Grade A evidence.

Vitamin D+K2Bone SupportHeart Health

Score Breakdown

Formulate scores every product across six weighted dimensions. Each dimension is graded independently — hover or tap to see what drove each component.

Evidence Qualityweight 25%
100/ 100
Dose Accuracyweight 20%
95/ 100
Bioavailabilityweight 20%
99/ 100
Transparencyweight 10%
100/ 100
Safetyweight 10%
100/ 100
Manufacturingweight 10%
80/ 100
Valueweight 5%
90/ 100

Ingredients per Serving

IngredientAmount
Vitamin D (as Vitamin D3)1000 IU
Vitamin K (as Vitamin K2 (Menatetrenone))200 mcg

Certifications & Testing

Gluten FreeSoy FreeDairy FreeNatural FlavorsNatural ColorsThorne VerifiedGMP CertifiedManufactured in the USA

Other Ingredients

MK4, Medium Chain Triglyceride Oil, Mixed Tocopherols

Recommended Use

Take 2 drops one to three times daily or as recommended by your health-care practitioner. Invert bottle to dispense individual drops. May be added to food or mixed in beverages. Do not refrigerate.

Warnings

ALLERGY WARNING This product is contraindicated in an individual with a history of hypersensitivity to any of its ingredients. PREGNANCY If pregnant, consult your health-care practitioner before using this product. INTERACTIONS As vitamin K interferes with the effect of anticoagulant drugs (like Coumadin), the concurrent use of these agents should be avoided.

Frequently Asked Questions

What is Thorne Vitamin D + K2's Formulate score?

Thorne Vitamin D + K2 scores 95 out of 100 (grade A) on Formulate's ingredient-level rubric, which weighs evidence quality, dose accuracy, bioavailability, transparency, safety, and manufacturing practices.

What's in Thorne Vitamin D + K2?

Each serving contains Vitamin D (as Vitamin D3) (1000 IU), Vitamin K (as Vitamin K2 (Menatetrenone)) (200 mcg). Serving size: Two Drops. 600 servings per container.

How do I take vitamin d + k2?

Take 2 drops one to three times daily or as recommended by your health-care practitioner. Invert bottle to dispense individual drops. May be added to food or mixed in beverages. Do not refrigerate.

Is Thorne Vitamin D + K2 third-party tested?

Thorne lists the following certifications and testing for this product: Gluten Free, Soy Free, Dairy Free, Natural Flavors, Natural Colors, Thorne Verified, GMP Certified, Manufactured in the USA.

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Disclosure. Formulate may earn a commission from purchases made through links on this page. Commissions never influence scores — every product is graded by the same automated rubric. This page is for educational purposes only and does not replace advice from a qualified healthcare provider.