Research shows that certain nutrients are essential for preventing and reversing many signs of skin aging. A well-balanced diet is important, of course, eating a variety of healthy foods helps keep skin supple and glowing. But the fact is, "the body delivers only a certain percentage of vitamins to your skin, no matter how much you ingest.

Vitamins nourish your body and help it function properly. You can get vitamins through a healthy and balanced diet, but you can also supplement your diet with vitamins if you don't think you're getting enough of a certain nutrient. When it comes to your skin, several vitamins play an important role, including vitamins A, B complex, C, E and K. Most of these vitamins can be found in a healthy diet or in supplement form.

 Vitamin A

Vitamin A is necessary for skin maintenance and repair, a healthy amount will show a reduction in fine lines and wrinkles, and it will help prevent acne and dry skin. Most people receive enough vitamin A from their diets and supplements aren't necessary - vitamin A can be found in eggs, milk, liver and fortified cereals.

Vitamin B

Biotin, a type of vitamin B, is a nutrient that forms the basis of skin, nail and hair cells, and a biotin deficiency can result in dermatitis and itchy skin. Your body supplies a lot of vitamin B on its own, but it can also be found in bananas, eggs, oatmeal and rice.

Vitamin C

Vitamin C helps reduce the effects of sun damage on the skin, and it helps tissue repair itself. Vitamin C is found in citrus fruits and many vegetables, but you can also take an additional supplement to help your overall health - vitamin C is thought to bolster the immune system.

Vitamin E 

Vitamin E helps fight the effects of sun damage on the skin, and it also helps keep skin smooth and prevent fine lines and wrinkles. That is why you'll find vitamin E in many anti-aging lotions, but you can also find it in foods like nuts, eggs and green vegetables.

Vitamin K

Finally, vitamin K isn't as useful internally as the vitamins above, but when found in creams, it can be helpful in reducing under-eye circles and bruising