This supplement has been used in connection with the following health conditions:Skin CareSee Related Concerns (1)CloseWhat are Star Ratings?SunburnDose: 1.1 to 1.66 mg per 2.2 lbs (1 kg) of body weight per day during periods of high sun exposureProanthocyanidins are a group of flavonoids found in pine bark, grape seed, and other plant sources that may increase the amount of ultraviolet rays nec