LifeLink’s 5-HTP (5-Hydroxy-L-Tryptophan) | 25 mg x 90 Sublingual tablets | Precursor to Serotonin | Mood, Sleep, Libido, Appetite | Gluten Free & Non-GMO | Made in the USA

5-HTP (5-hydroxy-L-tryptophan) is a substance capable of crossing the blood-brain barrier and is used by the brain to make serotonin — a neurotransmitter that regulates emotions, sleep-wake cycles, appetite, and general feelings of well-being.5- HTP 25mg by LifeLink 90 Lozenge