Bitiron is a combination thyroid hormone medication containing both T3 (Liothyronine Sodium) and T4 (Levothyroxine Sodium). It is used primarily for hypothyroidism and thyroid hormone replacement therapy, providing a balance of both active and precursor thyroid hormones. Key Details: Active Ingredients: Liothyronine (T3): 12.5 mcg (Active thyroid hormone) Levothyroxine (T4): 50 ... https://www.yourmuscleshop.to/product/bitiron-t3-liothyronine-12-5mcg-t4-thyroxine-50mcg-abdiibrahim-pharma/