For Relaxation; Positive Mood & Sleep</br>L-tryptophan may also help in reducing carbohydrate cravings.</br>No wheat?? no gluten?? no soybeans?? no dairy?? no egg?? no fish/shellfish?? no peanuts/tree nuts?? no corn.</br></br>Product Description</br></br>L-tryptophan is an essential amino acid and hence cannot be synthesized by the body; but must be obtained from food or supplements. Because L-tryptophan is converted to serotonin (5-hydroxytryptamine) and melatonin in the body; it plays an important role in promoting relaxation; restful sleep and positive mood. L-tryptophan may also help in reducing carbohydrate cravings. Jarrow FORMULAS L-Tryptophan TryptoPure is manufactured at a GMP facility via fermentation from vegetable materials. Suitable for vegetarians/vegans.Keep out of the reach of children.</br><br/>http://www.amazon.com/gp/product/B0019LWIDG