White vinegar has a variety of benefits for personal health, cooking, cleaning and even weed control. In addition to having multiple uses, white vinegar is also typically a green, Earth-friendly product. According to the Vinegar Institute, white vinegar contains acetic acid, which is why it can cut through grease for cleaning, as well as hinder bacterial and mold growth on foods like pickles.
The FDA Compliance Policy Guide defines white vinegar as being "made from the two-fold fermentation of the juice of grapes." Simply put, white vinegar is oxidized wine. One of its most well-known uses is to soothe the itching and burning of a jellyfish sting.
As a healthy dietary option, white vinegar only contains 25 calories per cup. The acetic acid in white vinegar is widely agreed to increase the body's absorption of minerals from foods. A tonic of water and vinegar before a meal has been shown to increase a person's calcium absorption during the meal.
A solution of 10 percent white vinegar and 90 percent water can also be used as a food cleaner, removing layers of harmful pesticides. The cleaning benefits extend into the household, most popularly as a cleaner and whitener for discolored grout.