Some compounds made by gut bacteria (not the bacteria themselves) have shown promise in mice to help with blood sugar and inflammation, but we don’t yet know if they work in people with diabetes.

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Evidence from Studies

Supporting (1)

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Modulating the Gut Microbiome in Type 2 Diabetes: Nutritional and Therapeutic Strategies

Narrative Review

Human & Animal & In Vitro

2025 Dec 27

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No contradicting evidence found

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According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.

Source Study

Modulating the Gut Microbiome in Type 2 Diabetes: Nutritional and Therapeutic Strategies

Score: 1

DOI: 10.3390/nu18010089

Similar Assertions

Taking certain good bacteria supplements may slightly lower blood sugar and HbA1c in people with type 2 diabetes, but the effect isn't the same for everyone and depends on the type and amount of bacteria taken.

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