Nutricology/ Allergy Research Group, Grape Pips Proanthocyanidins, 90 Veg CapsProduct Description Flavonol proanthocyanidin extract from grape seeds, providing antioxidant activity against peroxyl free radicals. Grape seed extract raw material contains not less than 95% total polyphenols, including 83% oligomeric proanthocyanidins (according to the industry standard, determined as the difference between total polyphenols and monomeric polyphenols). They are water soluble, and are generally well tolerated. Product Benefits