Artificial sweeteners in diet soda are toxic to gut bacteria
If you’ve switched to Diet Coke in a bid to cut down on sugar, then you might want to reevaluate just how healthy your choices are.
Because scientists now claim that sweeteners found in Diet Coke and other soft drinks could damage the naturally occurring bacteria in your stomach.
According to scientists from universities in Israel and Singapore, six common artificial sweeteners — aspartame, sucralose, saccharin, neotame, advantame and acesulfame potassium-k — have all been found to be toxic to gut bacteria.
More and more studies are realizing the importance of gut bacteria to a person’s overall health with bad bacteria linked to a range of diseases from obesity to bowel diseases, even Alzheimer’s.
The study, published in Molecules , looked at the relative toxicity of the sweeteners and ten sports supplements containing them.
It found that the bacteria in the digestive system became toxic when exposed to tiny concentrations of the sweeteners.
In a lab trial, all six of the sweeteners were exposed to bacteria that are commonly found in the gut, and these bacteria were then genetically modified to contain fluorescent compounds which glow when they detect toxins.
The scientists found that toxins were released when gut bacteria were exposed to each artificial sweetener, and it only took a tiny amount of the artificial sweeteners to turn the bacteria toxic.
That’s led scientists to conclude that: “This is further evidence that consumption of artificial sweeteners adversely affects gut microbial activity which can cause a wide range of health issues.”
Good gut health relies on a healthy gut microbiome, which has been associated with everything from digestion, nutrient absorption and immune system function.
It’s not just sugar-free soda that contains these chemicals either.
Artificial sweeteners are used in loads of food products and drinks that boast reduced sugar content — and the study warns that many of us consume them without even realizing it.
It’s not just our immediate health that is potentially at risk either.
These sweet chemicals have also been identified as environmental pollutants which are increasingly being found in drinking and surface water.
Professor Ariel Kushmaro said: “The results of this study might help in understanding the relative toxicity of artificial sweeteners and the potential of negative effects on the gut microbial community as well as the environment.”
“Furthermore, the tested bioluminescent bacterial panel can potentially be used for detecting artificial sweeteners in the environment.”
Although it’s one of the first studies looking into the effect artificial sweeteners have on gut bacteria, it isn’t the first time that these chemicals have been associated with health risks.
They’ve been associated with weight gain , slashing the chances of getting pregnant during IVF , tripling the risk of a deadly stroke and dementia , and raising the risk of developing diabetes .
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