OPCXtra - Isotonic OPC Super Antioxidant(Or Make it a Bundle & Save Even More) OUR FAMILY'S PROMISE: 100% No Risk Money Back Guarantee Product Description We don't care for words in health products that we can't pronounce. BUT There's one we really likeBioflavonoids. It's a complicated word for powerful, 100% natural antioxidants that protect your health on a molecular level. They occur in odd places like pine bark and more familiar places like red wine, grape seed, and green tea. Nature