Buy Hydroxytryptophan (oxitriptan) Cas 56-69-9

5-Hydroxytryptophan (5-HTP), used medically as oxitriptan, is a naturally occurring amino acid and chemical precursor as well as a metabolic intermediate in the biosynthesis of the neurotransmitter serotonin.

5-HTP can be manufactured and used as a drug and supplement with the INNTooltip International Nonproprietary Name oxitriptan. Brand names include Cincofarm, Levothym, Levotonine, Oxyfan, Telesol, Tript-OH, and Triptum. As a drug, it is used in the treatment of depression and for certain other indications.

5-HTP is produced from the amino acid tryptophan through the action of the enzyme tryptophan hydroxylase. Tryptophan hydroxylase is one of the biopterin-dependent aromatic amino acid hydroxylases. Production of 5-HTP is the rate-limiting step in 5-HT (serotonin) synthesis. 5-HTP is normally rapidly converted to 5-HT by amino acid decarboxylase.^[1]

5-HTP is decarboxylated to serotonin (5-hydroxytryptamine or 5-HT) by the enzyme aromatic-L-amino-acid decarboxylase with the help of vitamin B₆.^[2] This reaction occurs both in nervous tissue and in the liver.^[3] 5-HTP crosses the blood–brain barrier,^[4] while 5-HT does not. Excess 5-HTP, especially when administered with vitamin B₆, is thought to be metabolized and excreted.^[5][6]

5-HTP	AAAD		Serotonin
	PLP