5-HTP Complex Plus is not just a standard 5-HTP supplement but has a unique addition of vitamins, minerals, amino acids and black pepper all chosen due to their association with supporting the normal function of mood. Silvertown Health 5HTP Complex Plus provides : 5-HTP (5-hyrdoxytryptophan) providing 100mg of 5-HTP per capsule. Our 5-HTP is sourced from the natural griffonia seed. It also includes added vitamin B6, vitamin C and folic acid to support the normal psychological and neurological functions and added Zinc to contribute to normal cognitive function.Vitamin D3 is also added and the amino acids L-Theanine & L-Phenylalanine. Black pepper produced in a patented form is also included to support absorption. Per capsule 5-HTP (Natural Griffonia Seed) 100mg, Vitamin B6 1.4mg 100% NRV Folic Acid 50mcg 25% NRV Vitamin C 80mg 100% NRV Vitamin D3 (as Cholecalciferol) 15mcg 300% NRV Zinc 6mg 60% NRV L-Theanine 100mg N/A L-Phenylalanine 50mg N/A Black Pepper Extract 5mg N/A N/A shown - EC NRV (European Community Nutrient Reference Value) not established Use 1 - 3 capsules a day dependent on individual. Please note if you are pregnant, breastfeeding or if you have an underlying medical condition consult your GP or pharmacist before buying or taking this supplement.