This article provides an in-depth look at maltitol, a natural sugar alcohol widely used as a sugar substitute. It covers maltitol's health benefits—including lower calorie content, reduced blood sugar impact, dental safety, and potential prebiotic effects—along with possible side effects such as gastrointestinal discomfort and laxative effects. Suitable consumption levels and industrial applications are detailed to guide manufacturers and consumers toward informed, balanced use of maltitol for healthier food and healthcare products.