Alliin is primarily used in the production of allicin, a compound with significant antimicrobial properties. It is extracted from garlic and utilized in dietary supplements to support cardiovascular health by promoting healthy blood pressure and cholesterol levels. Additionally, alliin is incorporated into skincare products for its antioxidant and anti-inflammatory benefits, helping to protect the skin from oxidative stress and reduce signs of aging. In the food industry, it serves as a natural preservative due to its ability to inhibit the growth of bacteria and fungi. Its potential in cancer prevention is also being explored, as studies suggest it may help reduce the risk of certain types of cancers.