I discuss my first impressions of 5-HTP.Sources:https://en.wikipedia.org/wiki/5-Hydroxytryptophanhttp://www.webmd.com/vitamins-supplements/ingredientmono-794-5-htp.aspx?activeingredientid=794Viahttps://blog.healthsupplements.shopping/5-htp-first-impressions-review-5-hydroxytryptophan-day-1/ [ŝ