What is 5-HTP5-HTP is converted in the body into the brain chemical messenger serotonin Serotonin in the brain acts as a chemical messenger & is influences the majority of the cells in the brain including sleep appetite mood & sexual desire 5-HTP is derived from West African Griffonia simplicifolia tree the only natural source available using a specially developed process that retains as much of the active ingredient as possible The supplement is then encapsulated in a fully vegetarian cellulose capsule each providing 100mg of 5-HTP in amino acid form Why buy a 5-HTP supplement Serotonin is involved in mood appetite & impulse control & has an effect on our state of restfulness Unlike cheaper Griffonia Seed powdernbspour UK-sourced material is 98 pure This means that it only requires 102mg of Griffonia Seed to make our capsules Some of the cheaper supplements on the market use inferior 70 material so please be aware of what you are buying Peak-X free You can also be assured that our 5-HTP is certified to be Peak-X free & is sourced & manufactured in the UK to GMP quality standards