Red Wine Polyphenols 30% is a concentrated, standardized botanical extract derived from red wine, grape skins, or seeds. It is rich in a complex mixture of bioactive polyphenolic compounds, including but not limited to proanthocyanidins, anthocyanins, flavonols (like quercetin), catechins, and stilbenes (such as resveratrol). The "30%" denotes the standardized minimum content of total polyphenols, guaranteeing consistent potency and activity.