TG and myalgic encephalomeyelitis/chronic fatigue syndrome: In a subsequent placebo-controlled study, Teitelbaum et al. showed that euthyroid ME/CFS and fibromyalgia patients treated with T4 (Synthroid) or naturally desiccated thyroid hormone (Armor Thyroid)—in addition to adrenal hormones, vitamins, minerals, and antibiotics—also experienced significant improvements (140).