To reach 500 milligrams (mg), you could turn to all of these foods and beverages): Vitamin C, also known as ascorbic acid, is necessary for the growth, development and repair of all body tissues.

The S&P 500 Index is a popular benchmark index of large-cap stocks in the U.S. The S&P 500 Index is a price index, meaning it represents the stock prices of the companies within the index.