5-HTP is a mood/appetite regulating neurotransmitter.* 5-Hydroxytryptophan (5-HTP) is the precursor to serotonin, a mood and appetite regulating neurotransmitter produced within the body.* It has been combined with Vitamin B6, an important cofactor in the conversion to serotonin.* Nature's Way® uses 5-HTP extracted from Griffonia simplicifolia beans.

This product is free of common food allergens. It contains no yeast, milk, lactose, wheat or soy. Caution: This product should not be consumed by children or by pregnant or lactating women. Some may experience gastrointestinal (GI) upset, diarrhea or nasuea while taking this product which usually disappears by reducing dosage or is minimized by taking with food. As with any supplement, if discomfort persists discontinue use. Those suffering from gut disorders such as ulcers, irritable bowel disease, Crohn's disease, celiac disease, etc., should not use 5-HTP. Those using MAO-inhibiters, antidepressants, and drugs containg fenfluramine should not use 5-HTP. May cause drowsiness. Do not use while driving or operating heavy equipment.