Purchase Qty. Reference FOB Price
1 kg US$10.00
2+ kg US$9.00
Product Description
Product Introduction: Proanthocyanidins (grape seed extract) is a new type of highly effective antioxidant, the most powerful free radical scavenger discovered so far, and has very strong in vivo activity.Experiments have proven that OPC's anti-free radical oxidation ability is 50 times that of ...