Functional and nutraceuticals products provide a bigger prospect to one’s health by permitting health costs and supporting economic growth in lower and middle developed countries. Because of this reason, mostly diversion of people is going towards functional food and these Phyto-based foods are turning out to be popular universal in the red to the number of statements from researchers for their therapeutic applications. Garlic is one of the ancient vegetables that is used worldwide in different aspects which includes seasoning, culinary purposes, flavoring, and medical purposes. The consumption of garlic word wide increases due to its convenience, tackiness, health benefits, and low side effects. Garlic has been utilized for thousands of years because of its rich active components, phytochemicals, and other Sulfur containing components. It has so much rich history to contribute to the food industry. It has been used as a food stabilizer to prevent the development of pathogens to the prevention of many diseases. The claimed vigor reimbursements of garlic are abundant, including, anticarcinogenic, antibiotic, anti-hypertensive, and cholesterol-lowering properties, the risk of cardiovascular disease lowering the effects of hypolipidemic, antithrombotic, anti-diabetic, antioxidant, antimicrobial, immunomodulatory, antimutagenic, and prebiotic activities. The present attempt of the chapter is to explore garlic history along with its active component’s involvement in the prevention of diseases and threats.