Viridian Rosehip Extract Rosehip ExtractRosehips are a naturally rich source of polyphenols, anthocyanidins and vitamin C. Vitamin C contributes to normal collagen formation for the normal function of bones and cartilage. It also contributes to the normal function of the immune system and is an antioxidant which contributes to the protection of cells from oxidative stress. Rosehips, or more commonly Dog Rose, became appreciated in Britain under the blockade of the Second World War when the