It has been reported early on foodconsumer.org that green tea and vitamin C can prevent the skin from being damaged by UVB rays.  A report suggests that some other supplements can protect the skin too including vitamin E, vitamin A, B-vitamins, micro and macronutrients and fatty acids.  (David Liu, PHD)Szyszkowska B, Lepecka-Klusek C, Koz?owicz K, Jazienicka I, Krasowska D.  The influence of selected ingredients of dietary supplements on skin condition.  Postepy Dermatol Alergol. 2014 Jun;31(3):174-81.