These include Vitamin C, Vitamin E, Beta Carotene, selenium, and the bioflavonoids. It is an extract of grape seed and is protected under U.S. Patent 4,698,360. Grape Seed Extract is chosen as there are no toxic chemicals detectable in the final extracts. Some OPC is made from pine bark. Pine bark is contaminated with a 15 year accumulation of airborne pollution, and requires a high degree of cleansing.
Grapes are seasonal and exposed to air only for a brief time.
Grape seeds extracts also yield a higher potency. OPCs are water soluble. They are rapidly absorbed and transported throughout the body. Within one hour of ingestion, they can be detected in saliva. Help neutralize the effects of free radicals which increase and build up in our bodies and lead to degenerative diseases, and to increase the rate of aging.