Garlic has a long history of being used as a health supplement. Garlic's pungent quality comes from a sulfurous compound called allicin. In addition to allicin, garlic contains a number of trace minerals including zinc, copper, magnesium and selenium. A typical daily dose of garlic is one to three cloves of raw garlic a day. Garlic pills are also available and often more convenient.
Hinders Heart Disease
Garlic may help lower cholesterol, although the data is mixed. A 2007 study in the Annals of Internal Medicine showed no benefit for those with moderately high cholesterol levels, but other studies have shown some possible moderate or short-term benefit. Compounds found in garlic do appear to relax blood vessels and thus lower blood pressure.
Fights Infections
Garlic's antimicrobial properties are well-known and well-documented. Garlic is a particularly effective antifungal both when applied topically and when taken internally. It may help ward off colds and flu as well.
Prevents Cancer
A diet high in garlic may also help prevent a variety of cancers, including prostate, breast, pancreas and colon cancers. Population studies cited by the National Cancer Institute show a correlation between increased garlic consumption and decreased incidence of these and other cancers. Antioxidants found in garlic may neutralize cancer-causing nitrosamines, and garlic may also help inhibit tumor growth.
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