NP Thyroid (thyroid tablets, USP) for oral use is a natural preparation derived from porcine thyroid glands. They contain both tetraiodothyronine sodium (T4 Bitiron) and triiodothyronine sodium (T3 liothyronine) providing 38 mcg Bitiron (T4) and 9 mcg liothyronine (T3) per grain of thyroid (or per 65 mg of the labeled amount of thyroid). The inactive ingredients are calcium stearate, dextrose monohydrate, maltodextrin and mineral oil.
All prescription substitutions and/or recommendations using this product shall be made subject to state and federal statutes as applicable. Please note: this is not an Orange Book product and has not been subjected to FDA therapeutic equivalency or other equivalency testing. No representation is made as to generic status or bioequivalency. Each person recommending a prescription substitution using this product shall make such recommendations based on each such person’s professional opinion and knowledge, upon evaluating the active ingredients, excipients, inactive ingredients and chemical information provided herein.