Vitamin D3 + K2
Scored by the Formulate Research Team · Last reviewed July 2026
Score Breakdown
Three factors carry this score; three more are checked separately and can only take points away. Hover or tap to see what drove each one.
Ingredients per Serving
| Ingredient | Amount |
|---|---|
| Vitamin D1526 systematic reviews · 3105 randomised trials | 50 mcg |
| Vitamin K216 systematic reviews · 51 randomised trials | 90 mcg |
Certifications & Testing
Other Ingredients
Cellulose, Hydroxypropyl Methylcellulose, Glycerol Monostearate, Magnesium Stearate, Silicon Dioxide, Ascorbyl Palmitate, Rosemary Extract
Recommended Use
Directions: Adults: take two capsules daily at mealtime or as directed by your healthcare professional.
Warnings
Warning: Vitamin K can antagonize the effect of anticoagulants including Warfarin. Do not take this product if you are taking Warfarin or are pregnant or breastfeeding without first consulting with your physician.
Frequently Asked Questions
What is Carlson Vitamin D3 + K2's Formulate score?
Carlson Vitamin D3 + K2 scores 83 out of 100 (grade A-) on Formulate's ingredient-level rubric: clinical evidence, dose accuracy and bioavailability carry the score, while manufacturing, transparency and safety are checked separately and can only deduct.
Is Carlson Vitamin D3 + K2 worth it?
Carlson Vitamin D3 + K2 scores 83/100 (grade A-). That puts it in Formulate's top tier: its ingredient doses, forms, and label transparency hold up against the clinical evidence, and it carries credible third-party testing. Formulate grades every product with the same automated rubric, so the score reflects the formula — not marketing or sponsorships.
What's in Carlson Vitamin D3 + K2?
Each serving contains Vitamin D (50 mcg), Vitamin K2 (90 mcg). Serving size: 2 Capsule(s). 15 servings per container.
How do I take vitamin d3 + k2?
Directions: Adults: take two capsules daily at mealtime or as directed by your healthcare professional.
Who makes Vitamin D3 + K2?
Vitamin D3 + K2 is made by Carlson. See Formulate's full grade and product lineup for Carlson on its brand page.
Is Carlson Vitamin D3 + K2 third-party tested?
Carlson lists the following certifications and testing for this product: Gluten-Free.
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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.