A sweetener is simply a sugar substitute that provides a sweetness like that of sugar. Sweeteners contain lower calories, or no calories at all, compared to sugar. They are found in everyday products that include drinks, ready meals, desserts, chewing gum, and even toothpaste.
Sweeteners have been touted as healthier alternatives to sugar in terms of limiting caloric intake, thereby impacting overall metabolism especially as related to weight gain. Questions have always been asked about the real health impacts of sweeteners. For starters, sweeteners may help manage weight gain in the short term. That's because they are often low in calories compared to sugar.