Contains Nutrients and Botanicals That Enhance T4 Levels - iodine, tyrosine, and ashwagandha*
Provides key nutrients for peripheral conversion of T4 to T3 - selenium, zinc, and copper*
Helps optimize metabolism*
3rd Party Contents Certified: This product has been third-party tested and certified to verify what's in the package matches what's on the label
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
