Brief-time period administration of large doses of glucocorticoids could lessen serum T3 concentrations by 30% with small transform in serum T4 stages. However, very long-time period glucocorticoid therapy may bring about slightly diminished T3 and T4 concentrations on account of decreased TBG generation (see over). Cytomel / Tiromel is usually http://www.t3tiromel.com