Concord grapes are among the richest and darkest fruits and are packed with natural antioxidants called polyphenols.  These natural polyphenols are found in the skins and seeds of the Concord grape, and when the grapes are pressed into juice, these polyphenols are released, giving Welch's 100% Grape Juice its protective antioxidant power.
The surprising antioxidant results. Welch's 100% Grape Juice has more antioxidant power than many other powerhouse juices.  See the comparisons
Stand Up to Free Radicals.  Welch's 100% Grape Juice, rich in natural antioxidants, is certified by the American Heart Association.   Health Benefits>