Quality First,and Customer Supreme is our guideline to provide the best service to our customers.Nowadays, we are trying our best to become one of the best exporters in our field to meet customers more need for Withanolide, Apigenin 98% , Bitter Melon Charantin 10% , Mangosteen A-Mangostin ,Ginseng Leaf Extract . All prices depend upon the quantity of your respective order; the extra you purchase, the extra economical the rate is. We also offer fantastic OEM provider to numerous famous brands. The product will supply to all over the world, such as Europe, America, Australia,Poland , Botswana ,Marseille , Lesotho .All these products are manufactured in our factory located in China. So we can guarantee our quality seriously and availably. Within these four years we sell not only our products but also our service to clients throughout the world.