THORNE Vitamin D-10,000, Vitamin D3 Supplement, 10,000 IU, 60 Capsules 60 Count (Pack of 1)

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* Advanced Vitamin D: Nutrient support for those low in vitamin D, such as those who live in northern latitudes, are elderly, have a darker skin tone, or lack adequate sun exposure to support the body's natural vitamin D production* 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)