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

USDA, Agricultural Research Service, Nutrient Data Laboratory

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

Antioxidants and Cancer Prevention

HHS, National Institutes of Health, National Cancer Institute

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

Antioxidants: In Depth

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

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

Antioxidants

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

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

What are Phytonutrients?

Produce for Better Health Foundation

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