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Nutrition.gov
U.S. Department of Agriculture

Phytonutrients

Learn more about phytonutrients and how they play a role in your overall health. Vegetables and fruits are rich sources of phytonutrients, including antioxidants.

  • USDA FoodData Central

    View common foods and their phytonutrient content using these five databases.

    • USDA, Agricultural Research Service, Nutrient Data Laboratory

  • Antioxidants and Cancer Prevention

    Find out more about antioxidants and their role in cancer prevention, including research study summaries.

    • HHS, National Institutes of Health, National Cancer Institute

  • Antioxidants: In Depth

    This fact sheet provides basic information about antioxidants, summarizes what the science says about antioxidants and health, and suggests sources for additional information.

    • HHS, National Institutes of Health, National Center for Complementary and Integrative Health

  • Antioxidants

    Find the latest news, plus links to overviews, clinical trials and research related to dietary antioxidants. 

    • HHS, National Institutes of Health, National Library of Medicine, MedlinePlus

  • What are Phytonutrients?

    Learn about phytonutrients: some other common names, how to get them in your diet, and their health benefits.

    • Produce for Better Health Foundation