Tirosint

Tirosint is owned by IBSA Institut Biochimique SA, headquartered in Switzerland. No. The ultimate owner of Tirosint, IBSA Institut Biochimique SA, is headquartered in Switzerland, not in the United States.

IBSA is a privately owned Swiss multinational pharmaceutical company founded in 1945. It specializes in various therapeutic areas including endocrinology, reproductive medicine, and pain management, and is a world leader in hyaluronic acid-based products.

IBSA Farmaceutici Italia S.r.l.