Desiccated the product, refers to porcine or bovine thyroid glands, dried and powdered for therapeutic use. In the last few decades, pork alone is the usual source. The product is a combination of hormones that are normally produced by your thyroid gland to regulate the body's energy and metabolism. The product is given when the thyroid does not produce enough of this hormone on its own.	Thyroid porcine	https://www.creativebiomart.net/therapeutic-proteins/p/37/hormones-combination-porcine-or-bovine-thyroid-glands/