L-Tryptophan is a natural amino acid that is the precursor to serotonin and melatonin, which is a neurohormone that affects the body’s ability to sleep, relax and feel good. It plays a part in the synthesis of both melatonin and serotonin, hormones involved with mood and stress response. L-Tryptophan also supports immune functions because it is the body's precursor to the kynurenines that regulate immunity. If needed, L-tryptophan coverts to niacin in the body, which supports circulation, a healthy nervous system, the metabolism of food, and the production of hydrochloric acid for the digestive system. Source Naturals L-Tryptophan is extremely pure and is regularly tested to ensure the highest standards of quality.

Other Ingredients: Dibasic calcium phosphate, stearic acid, modified cellulose gum, and colloidal silicon dioxide. Suitable for vegetarians and Hypoallergenic: contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.

Suggested Use: 1 tablet 3 times daily, between meals and preferably with fruit juice. To support restful sleep, take 3 tablets before bed.

Warnings: If you are pregnant, breastfeeding, may become pregnant, or are taking medications such as SSRI's or MAOI's consult your health care professional before using this product. Do not use if either tamper-evident seal is broken or missing. Keep out of reach of children. Store in a cool dry place.