Sourdough science: can fermented bread tame blood sugar?
NCT ID NCT06925451
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This small study looked at whether sourdough bread made with a longer fermentation time (which increases natural acids) could lower blood sugar spikes in adults with prediabetes. Five participants ate different sourdough breads and had their blood sugar measured afterward. The goal was to gather information, not to provide treatment.
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Conditions
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Locations
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850 PBC
Phoenix, Arizona, 85004, United States
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