To keep your immune system strong, you need 75-90 milligrams a day of vitamin C — here are the best foods to nourish your body.

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Pumpkin seeds and cashews: These nuts and seeds provide zinc and copper that act like the “glue” for your collagen structure. Shellfish: Oysters, mussels, and shrimp are packed with zinc and copper ...

Several plant-based foods—including spinach, beans, and chickpeas—can provide as much or more iron than a serving of steak.

You can find vitamin C in various skin care products, but experts recommend working serums into your routine. “ Serums are ...

Doctors recommend you get 65 to 90mg of vitamin C per day. Taking over 2,000 mg of vitamin C supplements can result in harmful side effects.

Vitamin K is a fat-soluble vitamin needed for blood clotting and bone health. Foods with more vitamin K than kale include dark, leafy greens, broccoli, and Brussels sprouts.