“Progesterone, thyroid, and niacinamide (not nicotinic acid or inositol hexanicotinate) are other safe substances that help to reduce serotonin formation, and/or accelerate its elimination. (Niacinamide seems to increase serotonin uptake.)”
– Dr. Raymond Peat, PhD
References
Raymond Peat, PhD. (2015). Serotonin: Effects in disease, aging and inflammation. Retrieved September 13, 2017, from http://raypeat.com/articles/articles/serotonin-disease-aging-inflammation.shtml
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