5-Hydroxytryptophan (5-HTP)

5-Hydroxytryptophan (5-HTP) is a naturally occurring amino acid and chemical precursor to neurotransmitters serotonin and melatonin from tryptophan.

Also known as oxitriptan, 5-HTP is a popular ingredient used in relaxation and sleep supplements as it may improve mood and boosting levels of serotonin.

It is advised that 5-HTP should not be taken by people on SSRIs or other types of antidepressants.

Compare all Bulk Nutrients proteins