L-(-)-Arabitol is widely used in the food industry as a low-calorie sweetener due to its mild sweetness and low glycemic index, making it suitable for diabetic-friendly products. It is also employed as a humectant in baked goods to retain moisture and improve texture. In the pharmaceutical sector, it serves as an excipient in tablets and syrups, enhancing stability and palatability. Additionally, L-(-)-Arabitol is utilized in cosmetic formulations for its moisturizing properties, helping to maintain skin hydration. Its role in microbiological research includes acting as a carbon source in culture media for studying microbial metabolism.