Most Americans' Diets Need More Vitamin E

By Alexander Michels on Aug. 20, 2022
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Maret Traber, PhD

Nearly all of us aren't getting enough of a critical vitamin that supports vision, brain health and even developing fetuses — vitamin E.

The stunning stat: Around 90% of U.S. adults' diets don't contain adequate amounts of vitamin E, studies have shown.

Zoom in: Vitamin E's major function is as an antioxidant. It quietly protects our cells from the oxidative damage caused by chemicals that are formed naturally when we convert food to energy.

  • The consequences of oxidative damage — unchecked by vitamin E — include accelerated aging, deterioration of vision and higher risk of diseases such as cancer, diabetes and Alzheimer’s.
  • "Vitamin E is kind of like having a fire department," says Maret Traber, a nutritionist at Oregon State’s Linus Pauling Institute. "You only need it if your house is on fire."

Vitamin E is also important during pregnancy, Traber says.