Healthy Fats
This is how your skin gets its “glow.”. Too little fat in your diet can make your skin wrinkled and dry. These help your skin stay moist, firm, and flexible, and they’re better for your heart than saturated fats.
They also block a chemical that lets skin cancer grow and spread, and they may lower inflammation. Protein Your body turns the proteins you eat into building blocks called amino acids and reuses them to make other proteins, including the collagen and keratin that form the structure of skin. Amino acids also help slough off old skin.
Vitamin A
Both the upper and lower layers of skin need vitamin A. Since it’s an antioxidant, it may give your skin some protection against sunburn (although not as much as wearing sunscreen).
Can Ingesting Vitamins Help Your Skin?
If vitamins are the micronutrients our body needs in order to function, then it’s only logical that using the best vitamins for your skin can have a profound effect on your appearance.
Then a Polish biochemist named Casimir Funk (yes, the best name ever, we know) came along. He was studying beriberi disease, and realized all the sufferers were deficient in what’s now called vitamin B1 or thiamine. Vitamin-enriched skin-care products can protect against free-radical damage, treat fine lines and wrinkles, and lessen hyperpigmentation.