This Deficiency IS Why Your Digestion Is Screwed Up

This Deficiency IS Why Your Digestion Is Screwed Up

From Dr. Eric Berg DC by Dr.Berg

May 3, 2026 · 10 min

About this episode

The episode discusses how a deficiency in vitamin B1 can negatively impact digestion and the vagus nerve.

Check my FREE Vitamin B1 Cheat Sheet 👉 https://drbrg.co/4aL5W8j Watch this episode next: Reset Your Body in 5 Days (With Zero Food) Just so you know, my full line of high-quality supplements is available on Amazon — search Dr. Berg Supplements. Gain insight into a unique cause that may be behind your digestive problems and find out how to improve digestion issues fast. DATA: https://pubmed.ncbi.nlm.nih.gov/716330/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9062108/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2588919/ 0:00 Introduction: Understanding the vagus nerve 0:45 How vitamin B1 deficiency affects the vagus nerve 1:18 Complications of low hydrochloric acid 5:25 How to support your gut health 6:28 Learn more about thiamine (vitamin B1)! Let’s talk about the vagus nerve and digestion. One important function of the vagus nerve is regulating the hydrochloric acid in your stomach. A problem with the vagus nerve can lead to a cascade of digestive problems and health issues. Acetylcholine is the main neurotransmitter involved in the vagus nerve. Acetylcholine needs vitamin B1, but a deficiency of B1 is a common problem. If you’re deficient in vitamin B1, your vagus nerve can’t…

People in this episode

Host: Dr. Eric Berg DC

Topics covered

  • digestion
  • vitamin B1
  • vagus nerve
  • gut health
  • hydrochloric acid

Keywords

  • digestion
  • vitamin B1
  • vagus nerve
  • hydrochloric acid
  • gut health
  • GERD
  • acid reflux

Mentioned in this episode

Organizations: Dr. Berg Supplements, Amazon, PubMed, NCBI

Products: Vitamin B1 Cheat Sheet

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