We are the Sanherb Biotech Inc. China, specialising in African plant extracts. We are a stable manufacturer of 5-HTP, Vinpocetine, Yohimbine, Grains of Paradise extract, Massularia Acuminata extract, Pygeum powder, etc. We source the raw materials directly from Africa by ourselves to make sure we supply the best product with a competitive price. We have been engaged in plant extracts for 10 years, we have strong research and development team to make sure the quality meets the specification. Besides, we also supply Mangosteen extracts, Rhodiola extracts and other kind of Chinese herbs.