Pumpkins are not just for Halloween—they're a powerhouse of vitamins A and C, which can help to boost your collagen production, giving you that sought-after youthful glow. The orange hues of pumpkin come from carotenoids, like beta-carotene, which are known to help protect the skin against UV damage. Incorporate a helping of this nutritious squash into your diet, by adding pureed pumpkin to soups or pies, and you might just notice a smoother complexion. Plus, pumpkin seeds are a great snack that's rich in zinc, a mineral that's essential for healthy skin.