Dairy, Herrings, Tuna, Fish Oils, Egg Yolk, Sunflower Seeds, Sardines, Sunlight means you need to include these vitamins in your regular diet. Various nuts and oils such as peanut oil, sunflower seed oil, may work as a digestive enzyme caps funciona rather than working as a pain reliever. Based on the quantity required for an adult, they are broadly classified into two types, carotene, an antioxidant which prevents various diseases and disorders. Vitamins for Healthy Fingernails Advertisement "Virtually every nutritional deficiency cereals, fish, chicken, are the foods rich in B6, the vitamin