A member asked:

Which make you lose weight more, t3 (liothyronine) or t4?

A doctor has provided 1 answer
Dr. Andrew Lipton answered

Specializes in Holistic Medicine

T3T4: T3 (liothyronine) or tri-iodothyronine, is the immediate acting form of thyroid hormone, as opposed to T4 which is the storage form. Both are involved in metabolism but are not weight loss medicines.

Answered 1/15/2015

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