Muira Puama (Ptychopetalum olacoides), also named Potency Wood, is a small tree native to the Brazilian Amazon Rainforest and other parts of South America. It has a long history of traditional use as an energy tonic for the support of physical capacities. For hundreds of years, indigenous rainforest tribes have used bark or root infusions of Muira Puama. The root and bark are rich in EFAs, plant sterols, and a novel alkaloid called Muirapuamine. It has a long history of traditional use in Brazilian herbal medicine as well as in England, where it is listed in the British Herbal Pharmacopoeia. Suggested Use: 4 capsules per day. For best results - take two capsules in the morning and a further two before retiring in the evening. Ingredients: Pure powdered Muira Puama (Ptychopetalum olacoides) bark 500mg. Capsule shell: Vegetable cellulose. Food supplements should not be used as a substitute for a varied, balanced diet and a healthy lifestyle.