Matol’s OPCs + II Masquelier’s Original OPCs Grape Seed with Beta 1, 3-D-Glucan and Acerola Cherry Extract (17 % vitamin C). these three ingredients work synergistically and provide a very powerful antioxidant with a superior free radical scavenging capacity. The influences of Masquelier’s Original OPCs on the body’s vital support systems is regarded by many who have studied it to be a nutritional miracle capable of transforming our entire health experience.