Concord grape juice delivers more polyphenol bang per buck
Concord grape juice delivers more healthy polyphenols per serving than most other popular superfruit juices, according to a new study (Seeram NP, Aviram M, Zhang Y, Henning SM, Feng L, Dreher M and Heber D. Comparison of Antioxidant Potency of Commonly Consumed Polyphenol- Rich Beverages in the United States. J AgricFood Chem. 2008. 56(4):1415–1422).