UKMi Q&A xx - SPS

Desiccated thyroid extracts, such as AT, NP Thyroid and Nature-Throid®, are natural preparations derived from porcine thyroid glands. One grain of thyroid contains 38 micrograms (mcg) levothyroxine and 9mcg liothyronine per 65mg of the labelled amount of thyroid. ................
................