Can SIBO, IBS & GERD be caused by a deficiency in thiamine (vitamin B1)? The answer is YES.

Almost every function of the gut requires input from the autonomic nervous system, and in the context of thiamine deficiency... this system becomes broken. Thiamine deficiency can cause:

Low stomach acid and gastric emptying
Low pancreatic enzymes
Poor bile flow
Slow intestinal motility
Lower brush border enzymes
Heightened gut inflammation

Looking for guidance on addressing thiamine deficiency? Download my protocols here: https://thiamineprotocols.com/

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For the only clean, additivefree version of thiamine TTFD look to Objective Nutrients:
https://www.objectivenutrients.com/