Parents and teachers were on to something when they urged us to eat our carrots for better eyesight.

This so-called super power of crunchy orange carrots comes from vitamin A, a fat-soluble essential vitamin.

While we need to get vitamin A in our diet, too much can be toxic.

Image of Tuna, Spinach and Pumpkin

Photo:Getty Images. EatingWell design.

Tuna

Vitamin A: 643 mcg per 3 oz.

U.S. Department of Agriculture.

National Institutes of Health, Office of Dietary Supplements.

Fact Sheet for Health Professionals.Vitamin A and Carotenoids.

2021;13(5):1703. doi:10.3390/nu13051703

U.S. Department of Agriculture.

U.S. Department of Agriculture.

U.S. Department of Agriculture.

doi:10.1016/j.heliyon.2023.e21709

U.S. Department of Agriculture.

FoodData Central.Pumpkin, canned.

U.S. Department of Agriculture.

U.S. Department of Agriculture.

2024;63:240-258. doi:10.1016/j.clnesp.2024.06.053

U.S Food and Drug Administration.Facts About Eating Fish.