Much numerous studies have been done about skin cancer and vitamin D. As per the National Council on Skin Cancer, although sun exposure is clearly cause of skin cancer, our bodies still need vitamin D for healthy skin. The full anti aging skin care system and skin cancer prevention topic is a tricky one. As vitamin D nutrients are derived from your sun, the key is to get their sun exposure wisely. Wear a (safe) sunscreen with at least an SPF of 30 and a wide-brimmed hat when working and playing outdoors.