Sweeteners are substances used to enhance the sweetness of food and beverages without the calories associated with sugar. They can be natural, like stevia and honey, or artificial, such as aspartame and sucralose. These alternatives are popular among those looking to reduce sugar intake or manage weight while still enjoying sweet flavors. In addition to their use in diet products, sweeteners are also found in a variety of foods, from baked goods to beverages. They provide a sweet taste without the same impact on blood sugar levels, making them appealing for individuals with diabetes or those following low-carb diets.