The compositions described herein and featured in the present invention include those that comprise anthocyanidin combinations rich in delphinidins, including delphinidins such as the ones found in berries. The compositions can optionally include either compositions that comprise andrographolides, such as the ones found in a plant of the genus Andrographis, or compositions that comprise combinations of myrtillin, quercetin, or caffeoyl quinic derivatives and proanthocyanidins, such as the ones found in the herba of a plant of the genus Vaccinium.