3. Red bell pepper
One medium pepper is only about 32 calories and packs a ton of vitamin C—about 150% of your recommended daily value—which breaks down if cooked above 375°, according to research from the National Institutes of Health. Eating it raw also helps ward off atherosclerosis, which can lead to heart disease.
The better-skin diet: 8 best foods for a healthier-looking complexion >>>
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