Hard to say, easy to understand. Isotonic ISO-OPC antioxidant draws on powerful, natural and protective bioflavonoids to deliver whole-body antioxidant protection. Nature has created powerful compounds specifically designed to protect plants where they are most vulnerable. Those same, naturally occurring molecules can protect your health from our increasingly toxic environment. Saratoga's unique process extracts those free-radical fighting antioxidants from the seeds, skins, and barks of plants to deliver their protective power quickly and directly to where you need it most.