which thyroid medications are from pigs
However, animal thyroid medications are still available todayâthe most popular brand being Armour Thyroid. This supplement, made from desiccated pig thyroid glands, is a combination of both T4 and T3 hormone. Other animal thyroid hormone brands include Westhroid and Nature-Throid.Both brands are made from desiccated pig thyroid glands. The only difference is that Westhroid pills are bound with cornstarch, while Nature-Throid contains microcrystalline cellulose instead of cornstarch (for patients who are allergic).his supplement, made from desiccated pig thyroid glands, is a combination of both T4 and T3 hormone. Other animal thyroid hormone brands include Westhroid and Nature-Throid. Both brands are made from desiccated pig thyroid glands.