Grape seeds contain anti-oxidants and oligomeric proanthocyanidin complexes (OPCs) which improve circulation, brain health, and even prevent tooth decay. It is known as an anti-oxidant, and an anti-aging herb. Chemistry: 95% Proanthocyanidins – phenolic compounds in the form of polymers or oligomers, built of flavan-3-ol units, such as catechin, epicatechin, gallocatechin, epigallocatechin,afzelechin and epiafzelechin. The […]