Red vs. black currants, which offer you more health benefits? Well if you are basing your decision off of how much antioxidants they have, then you should definitely go with the darker black variety which have an ORAC over twice as high. Though in defense of the red, it's worth nothing that both varieties have quite potent antioxidant content.
ORAC Source
USDA Database for the Oxygen Radical Absorbance Capacity (ORAC) of Selected Foods, Release 2 - Prepared by Nutrient Data Laboratory, Beltsville Human Nutrition Research Center (BHNRC), Agricultural Research Service (ARS), U.S. Department of Agriculture (USDA) - May 2010