Q: I just got some Novothyral 100 and 1 tab is supposed to be equivalent to 100mcg. But I’m confused as to the conversion between T3 and T4. How does this 100mcg in this tab equate to 100mg of T3? I’m confused. A: So I take it Novothyral – a brand from your country – is T4? If so, T4 is about four times weaker than T3. So that means that 100 mcg of T4 would be equal to 25 mcg of T3. But keep in mind that there is no measurement for thyroid drugs in the MG range. They are all MCG (or micrograms). 100 milligrams of any thyroid drug would kill you. After all, you wouldn’t take 1500 ephedrine tablets at a time, would you? So 1 mg = 1000 mcg. Personally, if ...

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