nikkita New member Jan 10, 2006 #11 from what I know Clen affects mildly the thyroid, which by itself there's no major risk. However, T3 is a stronger hormone than T4. Therefore combining it with clen doesn't sound like good idea to me.
from what I know Clen affects mildly the thyroid, which by itself there's no major risk. However, T3 is a stronger hormone than T4. Therefore combining it with clen doesn't sound like good idea to me.