31 calories per cup
Eat 2-3 half-cup servings per week
While you might have hated it as a kid, broccoli should be at the top of your grocery list as an adult. It has a healthy supply of iron, calcium, fiber, and vitamin C, meaning it’s good for your circulatory system, bones, and immunity. “As far as vegetables go, this is the one I try hardest to get more guys to eat,” says Niki Kubiak, R.D., a private practice nutritionist in Omaha, Neb. Really not a fan? Toss it into stir-fries, onto pizza, or use raw chunks as a vehicle for your favorite dip.