5-Hydroxytryptophan (5-HTP) is the amino acid that is the middle step between tryptophan and the important brain chemical serotonin. 5-HTP boosts serotonin levels and may offer benefit in conditions linked to low serotonin levels.
5-Hydroxytryptophan (5-HTP) is the amino acid that is the middle step between tryptophan and the important brain chemical serotonin. 5-HTP boosts serotonin levels and may offer benefit in conditions linked to low serotonin levels. ...Show More