Thyrocsin thyroid cofactors enhance T4 hormone levels and support peripheral conversion of T4 to T3.*
Unique Formula
Well-Researched Benefits
Purest Ingredients
Thorne Bestseller
Unique Formula
Thorne’s Thyrocsin formula contains key ingredients for thyroid support, including iodine, which is necessary for formation of T4, and L-tyrosine, a necessary component of both T4 and T3 formation.*
Well-Researched Benefits
Thyrocsin provides nutritional and botanical support for healthy thyroid function, for the conversion of T4 to T3, and for normal cortisol levels.* This non-glandular thyroid-support formula is available only from Thorne.
Purest Ingredients
There are no unnecessary fillers or additives in Thorne supplements. Thorne is committed to providing high-quality supplements that contain research-backed ingredients, in efficacious amounts, that retain the potency to meet label claims until the day of expiration.
Thorne Bestseller
Thorne has been trusted by health-care practitioners, U.S. National Teams, and families around the world for more than 30 years. Thorne Bestsellers are a testament to Thorne’s mission to provide high-quality supplements that are tested for quality, safety, and efficacy.
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