Best known as the dark outer wrapping on sushi rolls, this sea algae is particularly high in fiber, calcium, iron, and zinc. “It’s also rich in lignans, which recent studies have shown to help prevent tumor growth,” says Susan Kleiner, PhD, author of The Good Mood Diet. Look for it in the international section of your local supermarket or online at edenfoods.com.

Serving tip:
Grind a sheet of nori in a coffee grinder and use the powder as a salt substitute to season food.