Hypothyroidism is a very common cause of increased serotonin (e.g. Henley, et al., 1998), and it the thyroid hormone is supplemented until symptoms are resolved, it’s likely that the serotonin will have been normalized. -Ray Peat, PhD Hypothyroidism increases the formation of serotonin, as does cortisol (Henley, et al., 1997, 1998; Neckers and Sze, 1976). [...]
by Raymond F. Peat, Ph.D. Medical data is for informational purposes only. You should always consult your family physician, or one of our referral physicians prior to treatment. (Formerly published in The Journal of the Rheumatoid Disease Foundation, Volume 1, Number 1), The Roger Wyburn-Mason and Jack M. Blount Foundation for the Eradication of Rheumatoid [...]