5-HTP (hydroxytryptophan) is a pure natural herbal formula that is extracted from the seeds of West African pharmaceutical plants. It can improve sleep, help suppress appetite, make the body consume less carbohydrates, and reduce stress hormones, thereby suppressing appetite and thus achieving weight loss. It does not contain some undesirable side effects, including dry mouth, anxiety and loss of libido. It is the best substitute for anti-depressant prescription meidicines and is widely used as an over-the-counter medicine in many countries abroad.

The macroporous adsorbent resin (5-HTP extraction and adsorption special resin) provided by Suzhou Bojie Resin Technology Co., Ltd. can extract high-purity 5-HTP, has large adsorption capacity, fast adsorption rate, low organic residue and no secondary pollution. The resin is resistant to abrasion,  and alkali, economical and practical, and is suitable for large-scale production.