We farm Iboga for you, and process it into high quality products, like TA: Total alcaloid extract, which contains the total alkaloid spectrum of the plant. PTA: This product is 98% pure and contains only the alkaloids Ibogaine, Ibogamin, and Ibogaline. Ibogaine* hcl is the purest form of Ibogaine; it is 99% pure and contains only pure Ibogaine.