Spinach contains antioxidants, which may help protect your skin, according to the Mayo Clinic. You see, free radicals, a type of molecule, can damage collagen in the skin or even hurt your skin's DNA, Allure explained. And that's where antioxidants come in. They fight those free radicals before they can bind to your skin cells and do damage.

Shape also noted the antioxidants in spinach, calling it a "superfood" that is good for your skin. That's not only because of its antioxidant content, but because it contains vitamins E and C. An article published in the science journal Nutrients revealed that Vitamin E acts as a protectant for the skin against UV damage. So, eating spinach may help protect your skin from the sun.

A study in the International Journal of Cosmetic Science also reviewed vitamin C and asserted that it supports collagen in the skin. According to WebMD, collagen prevents wrinkles and promotes skin's elasticity, which essentially means younger-looking skin. The vitamin C in spinach can help collagen do its job and keep your skin youthful.