Innopure's® 5-HTP (5-Hydroxytryptophan) contains a 100% natural and high grade source of 5-HTP harvested from the seeds of the Griffonia Simplicifolia plant. 5-HTP is a naturally occurring amino acid used by the human body to make serotonin. Serotonin is believed to influence brain cells related to mood, appetite, sleep & memory. 5-HTP is commonly used to boost mood and to contribute to a balanced and healthy outlook. It is also used to aid a more restful night's sleep. Some research suggests that 5-HTP can reduce the appetite due to increased levels of serotonin. Innopure's® complex blend contains 100mg of pure 5-HTP and other actives that are scientifically proven to contribute to normal psychological, cognitive & neurological functions. This product has been manufactured in the UK to high standards of quality control & GMP guidelines. Suitable for vegetarians & vegans and is approved & registered by the Vegetarian Society & Vegan Society. Innopure® products come with a money back guarantee if for any reason you are not satisfied.