Thorne Vitamin D + K2 vs Sports Research Vitamin D3 + K2
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Measured specs Bars scale to the largest value shown. “Not listed” = not confirmed on the label or listing.
What’s in it
- Liquid: 1,000 IU D3 + 200 mcg K2 per 2 drops
- Liquid or capsules
- Vegan D3
- Softgels
Certified liquid or capsule from a heavily certified brand.
Plant-based D3 with K2 in a coconut-oil softgel.
Evidence note
Vitamin D3 + K2: Vitamin D supports normal bone health and immune function, and vitamin K2 supports normal bone health. Fat-soluble vitamins build up in the body, so check the IU on the label; the NIH upper limit for vitamin D in adults is 4,000 IU a day.
General information on the main ingredient, not a health claim about any product. These statements have not been evaluated by the FDA. Talk to your doctor before starting a supplement.
Winner by category
| Third-party testing | Thorne Vitamin D + K2 |
|---|---|
| Higher in our ranking | Thorne Vitamin D + K2 (#1) |
“Winners” are only on confirmed numbers (higher is better, except sugar, footprint and price tier). They are not an overall verdict.
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.
Talk to your doctor or pharmacist before starting any supplement, especially if you take medication, are pregnant or nursing, or have a medical condition.