Klaire Labs L-Tryptophan - Amino Acid Precursor to Serotonin & Melatonin, Mood & Sleep Support (90 Capsules)

About this item L-Tryptophan is a precursor to the neurotransmitters serotonin and melatonin. Supplementation with tryptophan has been shown in numerous clinical trials to be safe, well-tolerated, and supportive of well-being, calmness, relaxation, sleep, and appetite control.* Free of the following common allergens: milk/casein, eggs, fish, shellfish, tree nuts, peanuts, wheat, gluten, soybeans, corn, and yeast. Contains no artificial colors, flavors, or preservatives. For best results, take tryptophan on an empty stomach, or with a small serving of carbohydrates. Founded in 1969, Klaire Labs products are developed closely with physicians and are intended to be used as directed by a healthcare practitioner. Essential amino acidL-Tryptophan is an essential alpha-amino acid that is a precursor to the neurotransmitters serotonin and melatonin. Supplementation with tryptophan has been shown in numerous clinical trials to be safe, well-tolerated, and supportive of well-being, calmness, relaxation, sleep, and appetite control.* For best results, take tryptophan on an empty stomach, or with a small serving of carbohydrates.