The 5 Nutrients You Need for Energy

Vitamin E

Unless you've been living in a cave for 20 years, you know you need calcium, folate, and vitamin C. But there are a few nutrients you're not so savvy about, according to recent stats, especially if you're dieting. Here, which ones you're most likely lacking, and what to do about it.

Fact: Twenty-eight percent of you don't get enough vitamin E.

Why You Need 15 milligrams a Day: It protects against heart disease and boosts immunity.

Why You're Missing Out: Your diet is too low in fat. Vitamin E is usually found in naturally fat-rich plant foods like oils, nuts, and seeds.

How to Get It: Stock up on a well-fortified cereal like Total cereal; a cup supplies 15mg.