Exotic Reds & Blues takes a unique approach in delivering not just "reds", but the powerful "blues and purples" as well, yielding a wide-spectrum of antioxidants. We don't only use common fruits, but instead include many exotic fruits that most people will have a hard time incorporating into their everyday-diet. Reds and blues typically get their color from a class of antioxidants known as anthocyanins and carotenoids, but limited your supplement to just one color of fruit only gives you a fraction of the different antioxidants that exist across multiple colored-fruits.ng.