Most 5-HTP also known as oxitriptan (INN) is extracted from the seeds of a woody climbing shrub native to West Africa, called the Griffonia simplicifolia plant.
ສ່ວນໃຫຍ່ 5 HTP ຊຶ່ງເອີ້ນກັນວ່າ oxitriptan (INN) ສະກັດຈາກແກ່ນຂອງຫມາກແຂງປີນໄມ້ພຸ່ມ native ກັບອາຟຣິກາຕາເວັນຕົກໄດ້, ເອີ້ນວ່າຕົ້ນໄມ້ Griffonia simplicifolia.