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Does Sucralose Cause Weight Gain?

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  Published on December 2nd, 2020
  Reading time: 5 minutes
  Last modified April 19th, 2021

How does sucralose impact your body weight? Does sucralose make you gain or lose weight? Products containing zero-calorie sweeteners are often marketed as being a good choice for weight loss, but what does the research show?   What Does the Research Show About Sucralose and Body Weight? Sucralose is a zero-calorie artificial sweetener. The most common sucralose-based product is Splenda. The total carbs and calories Splenda contribute to your diet are negligible since you only consume tiny amounts at a time. Sucralose is actually around 400-700 times sweeter than sugar, and it doesn’t have the bitter aftertaste associated with many other popular sweeteners [1,2]. Despite the marketing and hype behind it all, sucralose and artificial sweeteners don’t seem to have a major effect on body weight. A review of randomized controlled trials, which are considered the gold standard in scientific research, shows that artificial sweeteners only reduce body weight by around 1.7 pounds on average [3]. Observational studies on artificial sweeteners are divided with some showing an association between artificial sweeteners and weight gain, some…

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