Spinach is rich in vitamin A, which has been shown to improve the overall health of your skin. In particular, it is helpful in suppressing oily skin and acne. One study found that high doses of vitamin A helped clear up even the most severe cases of acne in 90 percent of people given the vitamin.
Research has also shown that 100,000 IU of vitamin A daily removed all age spots from subjects over a 12- to 16-month period. While you cannot possibly eat enough spinach in any given day to equal this amount, you can augment your spinach intake with vitamin A supplementation as part of your natural anti aging skin care regimen. Dr. Lark recommends taking its water-soluble precursor, beta-carotene, at 15,00025,000 IU daily.