D-Isoascorbic acid is widely used as an antioxidant in the food and beverage industry. It helps prevent oxidation, thereby extending the shelf life of products like meats, canned foods, and soft drinks. In the meat industry, it is particularly effective in maintaining the color and freshness of processed meats such as ham and sausage. Additionally, it is used in the pharmaceutical industry as a stabilizer in certain medications to prevent degradation. Its antioxidant properties also make it useful in cosmetics, where it helps protect skin care products from spoilage and maintains their efficacy. Furthermore, it is employed in the leather tanning process to improve the quality of animal hides.