picture of an sliced orange and the chemical structure of vitamin C drawn on a chalkboard

The Linus Pauling Institute's Micronutrient Information Center is a source for scientifically accurate information regarding the roles of vitamins, minerals, phytochemicals (plant chemicals that may affect health), and other dietary factors, including some food and beverages, in preventing disease and promoting health. All of the nutrients and dietary factors included in the Micronutrient Information Center may be obtained from the diet, but many are also available as dietary supplements.