# Scientists Tested 39 Artificial Sweeteners and Found Most Affected at Least One Gut Bacterium

> **Open Intelligence Dossier** · First detected: 2026-08-15 17:07 UTC · Category: Health

## Executive Summary
New scientific research suggests most of the 39 artificial sweeteners tested disrupt gut bacteria and may impact brain health.

## Intelligence Brief
Scientists have conducted a broad study testing 39 different artificial sweeteners to determine their impact on the human body. According to coverage from ZME Science, the results indicate that most of these sugar substitutes affected at least one type of gut bacterium. This research highlights a widespread interaction between artificial sweeteners and the microbiome, suggesting that these additives are not biologically inert. The study's scope across nearly forty different substances provides a comprehensive look at how various substitutes influence internal bacterial environments. Different media outlets are focusing on the varied risks associated with these substances. While ZME Science focuses on the gut microbiome, The Economic Times reports a link between artificial sweeteners and a 62% loss in thinking skills, specifically suggesting that diet soda could be harming brain health.


Additionally, Techno-Science reports that certain sweeteners may disrupt brain vascularity. Earth.com provides a broader perspective, stating that sugar substitutes may ultimately do more harm than good. The coverage is further expanded by a column from Feinsinger in the Post Independent, which also examines the nature of artificial sweeteners. This trend matters now because sugar substitutes are widely used as alternatives to sugar to manage health goals. However, the current reporting indicates that these alternatives may have systemic effects. The connection between gut bacteria and brain health is a central theme, with reporting spanning from the disruption of vascularity in the brain to the degradation of cognitive functions.


These findings challenge the previous perception of sweeteners as safe alternatives by linking them to specific physiological disruptions in both the digestive and neurological systems. Future monitoring will likely focus on which specific sweeteners among the 39 tested cause the most significant disruption. Based on the reporting from The Economic Times and Techno-Science, there is a specific need to track the relationship between diet soda consumption, brain vascularity, and the reported loss of thinking skills. Further details regarding the specific bacteria affected are not yet specified in the current coverage, but the overarching trend suggests a shift toward questioning the long-term safety of artificial sweeteners across multiple biological systems.

## Multi-Source Evidence Table
| Source Outlet | Headline | Verification URL |
|---|---|---|
| The Economic Times | Diet soda could be harming your brain health: 62% thinking skills loss linked to artificial sweeteners ove | [Source Link](https://news.google.com/rss/articles/CBMirAJBVV95cUxNRjAxNkd6QjR1cjRvVV9IbWEzRjQ3WV9NR1BRMWtuVzFfdlE2OEhQME1QRktKOTc1cEs4RGNQQ2JOVG84QlNGYmhLVHFDZGphSmx4c3lxMFdiQzAyNVlRSjdWemphS1NXQ294WVl5VkY4UmdGVWg0SENrTm1MSzZfTWhMQ01SWXVvR0JWQUpDanpYbjZZdlR4NUszZU5ldElSVjhsRTVZZFdYN2toQWYxZWhvc19NSUtncnN6YmFCcHlQT2tPaS13TFg0bTJvNUZrOVRZNWtONFpPMXZQZE9GWW1wWXIwZEVuWXktb0FqRmtHc3ZKUDlCQVV2WnEzQlczcWFIU0M1a2VkdnE3eXZkQ1hXejk4ZjZiUUhCOUtyc003c2puS0lTZ2ZWVGfSAbICQVVfeXFMTUlObnNOeVNya1dSX0d2NVFGR3dtdjlJR0I3STVZRXl) |
| Earth.com | Sugar substitutes may do more harm than good | [Source Link](https://news.google.com/rss/articles/CBMigwFBVV95cUxNMll0ZHNwb2U4dVVWc0RSY0tUamxfWWs2TnFCRTM0UzZRN0x6eHJfUzBScTFFLWp3emg2ekJWa1c0TzBsZEd5Y1VWVFV5dFJhRXZLWF9aeTBQQUpadV9tYjFwdExUREg4bGpxQ0pDS0MtOGo5MUFpZzJjMTE4N3hLZDBEdw?oc=5) |
| Techno-Science | 🧠 This sweetener could disrupt brain vascularity | [Source Link](https://news.google.com/rss/articles/CBMikAFBVV95cUxOS2NybVo5QUlvOHphbU1YZVhnSDROcFN4dE9XMExMb19DcEVCRnRfRk1QcnU0YVBBRF9Sa0F3cXBKbmxhTWVJc2ZmNVFkYU9UdHo1TjJpallkT0pTUXpKUVdFQU83UFhnYkp0ZkUzTlhmR3JrQjM0M04zMm1YUjd3N3N4bEtLSkhaTU9IdXdtdWY?oc=5) |
| Post Independent | Feinsinger column: Artificial sweeteners | [Source Link](https://news.google.com/rss/articles/CBMihwFBVV95cUxPcklCbjJJRTFBbXVYYmVQWDFSc0hzNG1SdlBQU0Fxb0pZTGpCQTFud3IxUlJMeDYyNXhhNFgzY1diUERWS2hJb1RDT0RqbE1kck1wRl9UbTFJeFFEdEF5UGtMRGZUYVZBdEtqeTYtRUw1UmJkWDZVSlNxOGNia1RhOVJaMUxnN2s?oc=5) |
| ZME Science | Scientists Tested 39 Artificial Sweeteners and Found Most Affected at Least One Gut Bacterium | [Source Link](https://news.google.com/rss/articles/CBMiigFBVV95cUxPUG5NdEUzaFU4TVBaU2NNdEVrSVBaWkNBalFjdWQybnV1dDhCdXBaM0xRUENZX0MwUXpqOHRSX1VWME8wT0tfajZ4aEsxcWVuZWJ3d2h6ZjBhVlpvSDFIbDRqUDZ3c2Q3ZVdqanVtcE9rM2U5cmttUXBhbTFwYTBfUTAzQUgzVURZWFE?oc=5) |

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*Canonical Source: https://pulse.byoviral.com/trend/2026-08-15/scientists-tested-39-artificial-sweeteners-and-found-most-affected-at-least-one*