The organosulfur compounds present in garlic are thepotent antioxidants which also help to stimulate antioxidantenzymes in liver (Ide & Lau, 2001). Since antioxidative activityis mainly due to the electron status of the material, in vivoreactions which takes place in the body should be taken intoaccount while considering the active compounds of garlic.Aged garlic extract is comparatively richer in antioxidantthan fresh garlic. Aged garlic extract helps to boost cellularantioxidants, which in turn helps in maintaining a healthyimmune system. It also prevents drug toxicity by increasingperoxides which helps to eliminate toxic peroxides from thebody. Garlic oil also has potential health benefits as a freeradical scavenger and affords protection against toxicity ofmetals and various chemicals (Amagase et al., 2001; Borek,2001, 2006). Further long-term intervention studies arerequired to establish garlic′s beneficial effects