Since ancient times, women have sought after a variety of ways to retain their beauty. Good nutrition is one of the best kept secrets for staving off wrinkles and maintaining youthful, glowing skin. Your skin cells are continually being renewed and need a constant supply of nutrients for optimum health. As a result they are often the first to show signs of nutritional deficiencies. The reduced supply of oxygen, vitamins, minerals and protein to skin cells can lead to dryness, flaking, and an outbreak of spots.