Factoty Supply Certified Top Quality Grape Seed Extract 50% Polyphenol Powder

Factoty Supply Certified Top Quality Grape Seed Extract 50% Polyphenol Powder Grape seed extract polyphenol is a dietary supplement derived from the crushed seeds of wine grapes (Vitis vinifera). Its primary active constituents are a class of polyphenols known as oligomeric proanthocyanidins (OPCs) , along with monomeric flavonoids like catechin and epicatechin. Product Name: Grape Seed Extract Part Used Seed Spec./Purity: Polyphenol 95% Appearance: Brown powder Grade Food