OstroVit's Tryptophan Powder is a supplement based on L-tryptophan. It stands out for its high bioavailability and excellent solubility, making it one of the top pure supplements. Tryptophan is an organic chemical compound and belongs to the group of essential amino acids that our body cannot synthesize. The proper level of tryptophan in the body is ensured through diet or supplements. As a protein amino acid, it is a precursor to serotonin, a neurotransmitter necessary for regulating appetite, sleep, mood, and pain. Additionally, tryptophan is a natural sedative.