für 22.01€ kaufen ··· 421001 ··· 1039251910 ··· L-Tryptophan is an essential amino acid. It is not synthesized by the body and must be obtained from the diet. L-Tryptophan is critical for the production of serotonin and melatonin, which help maintain a positive mood , healthy sleep patterns and proper function of the immune system. Hersteller: Marke: EAN: 733739001672 Kat: Sport >> Athlete's health >> Memory and concentration Lieferzeit: 2 - 4 days Versandkosten: 3.99 Icon: http://static.carethy.net/media/4/photos/products/421001/421001-733739001665_2_g.jpg Bild: