Resveratrol is a chemical found mostly in grape skins, red wine,peanuts and some other plants. It is used to treat cardiovascular disease and cancer. Sino-Herb is a professional manufacturer of Resveratrol and Polydatin products. We have been engaged in resveratrol and polydatin production for over 4 years and have exported tons of resveratrol and polydatin worldwide. Our product,resveratrol,is extracted from a tradditional chinese herb Polygonum cuspidatum Sieb(Giant Knotweed).And it contains emodin less than 2% by HPLC.
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