T3 vs T4
What is T3, and what is the difference between T3 and T4?
The T3 steroid hormones regulate many body systems, including metabolism. Clen and T3 weight loss effect has been popular in bodybuilding for decades.
T3 Hormone is made from the T4 (thyroxine) hormone which is secreted by the thyroid under influence of the pituitary hormone TSH (Thyroid stimulating hormone).
T4 is mostly active through its conversion to Triiodothyronine (T3) and is 4-5 times stronger than thyroxine (T4).
Cytomel T3 medication (Triiodothyronine Sodium) is used to treat low T3 symptoms (hypothyroidism).