5-HTP (5-Hydroxytryptophan) cannot be sourced from the diet. 5-HTP is made by the body from the amino acid tryptophan, which is then changed into the neurotransmitter known as serotonin which promotes the positive mood

5-HTP 50mg: Each capsule contains:
5HTP (From Griffonia Extract; Griffonia Simplicfolica, seed). No.1: 50mg
Niacin No.2: 5mg NE (31% NRV)
Vitamin B6 No.3: 5mg (357% NRV)