How this page evolved

Every published version is kept. Each entry shows what changed and why. Earlier versions can be restored by moderators, but only if the material they rely on is still available.

1. Revision 3Oct 4, 2026, 3:31 PMLiveAI-organised, reviewed

   Added two newer systematic reviews: one finds the evidence for a beneficial effect of sourdough vs yeast-fermented bread on glycaemia in healthy adults neither sufficient nor convincing, and one finds no adequately controlled human studies on iron bioavailability despite mechanistic support. Updated finding, uncertainty, takeaways and guidance to reflect this more sceptical recent evidence.

   • · The main finding was rewritten.
   • · Updated “What human trials have measured”.
   • · Updated “Gluten, gut health and nutrient availability”.
   • · 2 new sources cited.
   • · The note on uncertainty changed.
   • · The key takeaways were revised.
2. Revision 2Sep 30, 2026, 7:18 PMAI-organised, reviewed

   AI-prepared Starting Map from live research.

   • · First published version.