How to Improve Your Vagal Tone for Digestion & Healing
Dr. Jockers Functional Nutrition
Dr. Jockers
4.8 • 688 Ratings
🗓️ 24 July 2025
⏱️ 17 minutes
🧾️ Download transcript
Summary
In this episode, Dr. Jockers dives into the importance of vagal tone and its profound impact on your digestion, heart rate, and overall well-being. You’ll learn how a healthy vagus nerve supports proper digestion, from stomach acid production to bile flow, ensuring you absorb nutrients effectively.
He also explains how poor vagal tone can lead to symptoms like anxiety, poor circulation, and digestive issues. Dr. Jockers highlights practical ways to improve vagal tone through simple activities like deep breathing, singing, and even humming.
Finally, discover how to test your vagal tone at home and understand what your results might be saying about your health. Dr. Jockers shares tips on optimizing vagal function through lifestyle changes and key nutrients to support your body’s natural healing processes.
In This Episode:
00:00 Introduction to Pupillary Constriction Test
04:05 Understanding the Vagus Nerve
09:02 Testing and Improving Vagal Tone
15:43 Nutritional Support for Vagal Tone
16:18 Conclusion and Final Thoughts
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“The vagus nerve is the most important nerve in your body—it controls digestion, heart rate, and your body’s natural healing processes.”
~ Dr. Jockers
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Transcript
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| 0:00.0 | When we're looking at testing it, a couple things you can do. |
| 0:02.5 | One is the pupillary constriction test. |
| 0:04.9 | And this is basically just shining light on your pupil. |
| 0:08.2 | So you can just take a little pen light. |
| 0:10.3 | You shine it right near your eye. |
| 0:12.3 | Okay, now the eye should be able to hold the pupil. |
| 0:15.8 | It constricts. |
| 0:16.7 | So it shrinks down and it should be able to hold that constriction for at least 10 seconds. |
| 0:23.1 | If it, you'll start to see it pump and then eventually it will blow out in a sense and it will dilate. |
| 0:28.7 | So the people will get really large. |
| 0:30.3 | Welcome back to the podcast. |
| 0:31.7 | Today I'm talking about how to improve your vagal tone. |
| 0:34.6 | Your vagus nerve is cranial nerve tanic travels from your brain stem down into |
| 0:39.1 | your heart, your lungs, your digestive system. And when that nerve is functioning well, it allows you |
| 0:44.8 | to be relaxed, calm, have a calm heart rate. It allows you to digest your food well to produce |
| 0:50.5 | digestive juices like stomach acid, bile, pancreatic enzymes properly so you can |
| 0:56.1 | really digest and absorb the nutrients in your diet. |
| 1:00.1 | However, if you have poor vagal tone, which is all too common in our society, it's going |
| 1:04.6 | to impact all of those functions. |
| 1:07.5 | And so many people are dealing with poor vagal tones. |
| 1:10.6 | So I'm going to talk more in this podcast about how to with poor vagal tone. So I'm going to talk more in this podcast |
| 1:12.6 | about how to improve your vagal tone, how to optimize digestion, your body's natural |
... |
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