AI Insight
A study in mice found that two common zero-calorie sweeteners, sucralose and stevia, significantly altered the gut microbiome, reduced beneficial bacterial compounds, and modified gene activity related to metabolism and inflammation. Notably, some of these biological changes persisted across generations, appearing in offspring that had never been directly exposed to the sweeteners. This suggests potential multi-generational effects from consuming these widely used sugar substitutes.
Why it matters
These findings raise important questions about the long-term safety of artificial sweeteners that are consumed by millions of people daily. The transgenerational effects suggest that dietary choices may have broader and more persistent impacts on health than previously understood, warranting further investigation in human populations.
Understand the Science
Two widely used zero-calorie sweeteners, sucralose and stevia, may have effects that linger far longer than the sweet taste itself. In mice, researchers found that both sweeteners altered the gut microbiome, reduced beneficial compounds produced by gut bacteria, and changed the activity of genes involved in metabolism and inflammation. Some of those changes were also detected in later generations that had never consumed the sweeteners themselves.
Source: Popular sweeteners may leave effects that last for generations