The Effect of 5-Hydroxytryptophan (5-HTP) on Satiety

The aim of the study is to show evidence of the efficacy of 5-HTP to induce satiety and to reduce food intake (confirmatory study). The primary objective of the present study is to determine: * the effectiveness of a 5-HTP preparation on satiety markers (before intake of a meal and during the day) The secondary objectives of the present study are to determine the effectiveness of a 5-HTP preparation on: * food consumption (amount and composition) during a free meal (dinner); * wellness after one week supplementation; * the intermeal interval; * body weight and waist-hip ratio (WHR).