Conditions & Recovery · ScienceDaily Nutrition · October 18, 2026

Scientists tested 39 sweeteners and uncovered surprising gut effects

Scientists have discovered that many common sweeteners can interfere with gut bacteria, with some combinations involving medications producing surprisingly strong effects. One sweetener mixed with a widely prescribed antidepressant reduced beneficial bacteria and microbial diversity in laboratory experiments, raising new questions about potential effects on gut health and immunity.

Originally published by ScienceDaily Nutrition. We curate and add context; they did the reporting.

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