The vagus nerve: Why calm begins in the gut and not in the head
- Nadia Licci
- Mar 18
- 3 min read
Updated: 20 hours ago
Many people try to solve stress through their minds. More control, more discipline, more understanding. However, the body works differently. A large part of our inner peace isn't thought about, but rather regulated. And the vagus nerve plays a central role in this process.
The vagus nerve is the most important nerve of the parasympathetic nervous system. It connects the brain, heart, lungs, stomach, intestines, and many other organs. It is, so to speak, the biological conduit for relaxation, digestion, regeneration, and emotional stability.
The vagus nerve and the gut-brain axis
Approximately 80 percent of the information along this axis flows from the gut to the brain, not the other way around. This explains why emotional stress often manifests first in the gut and why impaired digestion can chronically irritate the nervous system.
When the vagus nerve is well-regulated, digestion works calmly and rhythmically. Stomach acid, enzymes, and intestinal motility can function optimally. If it is chronically underactive, the body remains in a state of alert. Digestion becomes sluggish, the abdomen feels distended, bloating increases, or food is less well tolerated. Many people then experience stress not only mentally but also physically.
Why breathing is the most direct access
The simplest way to reach the vagus nerve is through breathing. Not through complicated techniques, but through rhythm. Regularity signals safety to the nervous system. This is precisely where Samavritti's approach comes in.
Samavritti: Breathing in balance
Samavritti means even breathing. Inhalation and exhalation are of equal length. This gives the nervous system a clear signal to switch from activation to regulation.
Breathe in through your nose for four seconds. Breathe out through your nose for four seconds. Without pausing, without pressure, without a goal.
Stay in this rhythm for two to three minutes. Your breathing should be quiet and gentle. Many people notice after a short time how their abdomen relaxes, their pulse slows, and their body as a whole begins to sink downwards.
This breathing technique directly affects the vagus nerve, supports bowel movements, and calms the gut-brain axis. It is particularly suitable before meals, after meals, or in the evening to wind down.
The nervous system is regulated via bodily stimuli
Regulation doesn't only occur through breathing. Targeted bodily stimuli can also bring the autonomic nervous system out of its chronic stress mode. In naturopathy, we use, among other things, phytotherapy and manual therapies for this purpose.
Certain plants don't have a calming effect in the sense of sedating, but rather a regulating one. Lemon balm connects the stomach, intestines, and heart, promoting vagal calm. Chamomile relaxes mucous membranes and digestion. Passionflower helps when inner restlessness becomes overwhelming. Fennel and caraway have antispasmodic effects in the abdominal cavity and signal to the nervous system that digestion is functioning properly.
Cupping can also be an effective stimulus. Through the skin, fascia, and blood circulation, it reflexively affects the autonomic nervous system. Many people experience deeper breathing, improved digestion, and more restful sleep afterward. This isn't because something is "done," but because the body returns to its self-regulating mechanisms.
Regulation instead of optimization
The vagus nerve reminds us that health doesn't come from constant exertion, but from change: tension and relaxation, activity and rest. When this balance is lacking, the body eventually reacts with symptoms.
In naturopathic practice, it is repeatedly observed that many ailments do not originate from a single organ, but rather from a lack of regulation in the nervous system. The vagus nerve is not a mere detail in this process, but a key element.
My name is Nadia Licci, and I am a certified naturopathic practitioner. I support people in better understanding their bodies, recognizing connections, and finding their way back to healthy regulation. Often, change doesn't begin with more activity, but with a more refined awareness.

