About the product
- Vitamin D3: Supports healthy teeth, bones, and muscles, as well as cardiovascular health and immune function*
- Optimal Absorption: Vitamin D3 is more potent and better absorbed than vitamin D2*
- No Lactose Or Preservatives: Thornes vitamin D supplements contain no lactose and no preservatives
- 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 chosen by champions and trusted by 100+ professional sports teams, a proud partner of U.S. National Teams, and the #1 recommended clinical brand by health-care practitioners
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