Question: how much is 1 grain of armour thyroid?
Answer: Converting to Armour Thyroid The basic "rule of thumb" in converting thyroid doses is that 100 mcg of T4 is roughly equivalent to 25 mcg of T3, or 1 grain (60 mg) of desiccated thyroid (Armour™ Thyroid), or liotrix-1 (Thyrolar™ – 1)a.