Surprising Microbiome Effects from Artificial Sweeteners
Brad Stanfield
Oct 21, 2025
Episode description
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Timestamps:
00:00 Concerns About Artificial Sweeteners
02:37 The New Study on Artificial Sweeteners
04:27 Impact on Gut Microbiome
05:23 Limitations and Safety of the Study
06:41 Consistency with Previous Clinical Trials
07:31 Takeaway and Conclusion
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Here are the links to the research papers referenced in the video:
https://www.nature.com/articles/s42255-025-01381-z
https://www.nature.com/articles/s41366-023-01336-y
https://pmc.ncbi.nlm.nih.gov/articles/PMC11501561/
https://pmc.ncbi.nlm.nih.gov/articles/PMC9449855/
https://pmc.ncbi.nlm.nih.gov/articles/PMC9498509/
https://pubmed.ncbi.nlm.nih.gov/37880814/
https://pmc.ncbi.nlm.nih.gov/articles/PMC4744961/
Thumbnail by James Kelly
Video edited by Troy Young
Script by John Milliken
The links above are affiliate links, so I receive a small commission every time you use them to purchase a product. The content contained in this video, and its accompanying description, is not intended to replace viewers’ relationships with their own medical practitioner. Always speak with your doctor regarding the content of this channel, and especially before using any products, services, or devices discussed on this channel.
Mindsip insights from this episode:
Choose artificially sweetened drinks for better weight loss maintenance
One study surprisingly found that people maintained weight loss better with artificially sweetened drinks than with water, possibly because the water group sought calories elsewhere.
Utilize sweeteners to enhance beneficial gut bacteria
A recent study found artificial sweeteners increased gut bacteria that produce beneficial short-chain fatty acids, which can boost fullness and counter inflammation.
Reduce artificial sweeteners to alleviate gut discomfort
The gastrointestinal discomfort some experience from artificial sweeteners might be due to an increase in methane-producing gut bacteria.
Replace sugar with sweeteners for positive health outcomes
The positive findings in the new study came from replacing sugar with a range of sweeteners including aspartame, erythritol, and xylitol.
Utilize sweeteners to enhance weight loss maintenance
In a year-long trial, participants using artificial sweeteners maintained 1.6kg more weight loss than the sugar group, with compliant users losing 3.8kg more.
Evaluate artificial sweeteners for safety on health markers
A year-long randomized trial found no negative impacts from artificial sweeteners on risk markers for type 2 diabetes, LDL cholesterol, or blood pressure.
Reevaluate artificial sweeteners' impact on weight gain
Previous studies linking artificial sweeteners to weight gain may be misleading because people already struggling with their weight are more likely to choose them.
