By the way, when you switched, your equivalent dosage actually was reduced from 125 mcg of T4 to
115 mcg of T4 (100 + 3 times 5 =
115). Even the ATA/AACE Guidelines say that T3 is 3 times as potent as T4. In addition you need to supplement Vitamin D, B12 and ferritin to optimize. D should be at least 50 ng/mL, B12 should be in the upper part of its range, and ferritin should be at least 100. All three are very important for a hypothyroid patient.