Thyroid Tablets, USP, 1/2 Grain (30 mg), Each tablet contains: levothyroxine (T4) 19 mcg, liothyronine (T3) 4.5 mcg, 100 Tablets, Rx only, Distributed by: Vitruvias Therapeutics, Auburn, AL 36830, Product of USA, NDC 69680-166-00.