5-HTP 200mg from NOW Foods and supplementstogo.com.Griffonia simplicifolia is an African plant which is extracted to produce 5-HTP, the intermediate metabolite between the amino acid L-tryptophan and serotonin. DetailsServing Size: 1 Vcap®Suggested Use: As an herbal dietary supplement, take 1 Vcap® daily, preferably on an empty stomach at bedtime.Free of: sugar, salt, starch, yeast, wheat, gluten, corn, soy, milk, egg or preservatives.Other Ingredients: Cellulose (capsule), Magnesium Stearate (vegetable source) and Silica.Warnings: Not for use by pregnant/lactating women or those currently taking any anti-depressant medications unless recommended by a healthcare practitioner. May cause drowsiness. Caution: Please discard the inedible freshness packet enclosed.Disclaimers: None