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an illustration of the vagus nerve and associated organs

Vagus Nerve Support

By:
Maria Noël Groves, RH (AHG)
This content originally appeared on 

What is The Vagus Nerve?

Your vagus nerve is actually a complex bundle of nerves that connect your brain to many areas of your body, allowing for two-way communication and assisting in a wide range of body processes.

Also called the 10th (or “X”) cranial nerve, it’s the longest nerve in the body.

Why Is It Called The Vagus Nerve?

Its name is derived from the Latin term for “wandering” (vaga, as in vagabond) because of the way it wanders around the body.

What Connects to The Vagus Nerve?

It connects the brain with your ear, throat, neck, heart, lungs, stomach, liver, and gallbladder.

What Does The Vagus Nerve Do?

The vagus nerve’s many critical functions include:

  • perceiving sensory experience from the heart, throat, lungs, and abdomen
  • assisting with swallowing, the ability to talk, the gag reflex, and some taste sensations
  • controlling the involuntary and smooth muscle actions of the digestive, detoxification, and cardiovascular systems
  • allowing the gut and microbiome to communicate with the brain
  • regulating heart rate and blood pressure

It’s particularly associated with the parasympathetic nervous system body functions—that is, the actions the body performs when in the “rest, repair, and digest” mode versus “fight or flight.” It helps us deal with stress, fear, and anxiety.

With all of this, the vagus nerve may play a role in the following, and so much more:

  • cognition
  • gut health
  • epilepsy
  • mood disorders
  • cardiovascular disease
  • heart rate variability
  • stress
  • rheumatoid arthritis
  • long haul COVID-19
  • gastroparesis
  • inflammatory bowel disease
  • slow heart rate
  • low blood pressure
  • loss of the gag reflex
  • migraines
  • episodes of vasovagal syncope:
    • flushing
    • nausea
    • drop in blood pressure
    • heart dysrhythmia

Supporting Vagal Tone

Many of the broader concepts of the vagus nerve’s effect on overall wellbeing and our ability to support it are still relatively new and not entirely understood.

Although more serious vagus nerve damage may require medical treatments such as vagus nerve stimulation, we can support our day-to-day vagal tone via various holistic approaches.

  • Voice and Throat

    Singing, humming, and chanting help to activate the surrounding muscle to stimulate the vagus nerve. Gargling may also work via similar mechanisms.

  • Cold Exposure

    Short but extreme cold temperature exposure like a 30-second cold shower, splashing cold water on the face, or rolling around in the snow with very little clothing may activate the vagus nerve and reduce the fight or flight response over time.

  • Breathing Exercises

    Breathing exercises, both immediately and with regular long-term practice, help support the parasympathetic and vagus nerve responses, which can be particularly helpful for stress, anxiety, and heart rate variability. There are many methods of breathwork, and they often take just a few minutes of time per day.

  • Meditation

    Meditation supports vagal tone and stress response, especially when practiced regularly.

  • Microbiome Support

    Probiotics, prebiotics, fermented foods, and high-fiber, prebiotic-rich foods support the microbiome.

  • Foods and Supplements

    • omega-3 fatty acids
    • fatty, cold-water fish
    • bitter-tasting herbs
    • zinc
    • plant foods
    • tryptophan-rich foods
      • oats
      • nuts
      • bananas
  • Herbs

    We’re still in the very early stages of understanding the role that herbs and supplements may play in vagal health. Consider nootropic, nervine, calming, and adaptogenic herbs such as:

    • ashwagandha
    • bacopa
    • holy basil
    • gotu kola
    • shankhpushpi
    • kava
    • green tea
    • hot peppers / capsaicin
  • Lifestyle

    • exercise
    • massage
    • laughing
    • socializing
    • hugging
    • loving-kindness meditation
    • acupuncture
    • yoga
    • t’ai chi
    • prayer
    • time spent in nature

Click to See Our Sources

How to stimulate your vagus nerve for better mental healthby J. Fallis, www.OptimalLivingDynamics.com, 1/21/17

Nootropic herbs (Medhya Rasayana) in Ayurveda: An updateby R. Kulkarni et al., Pharmacognosy Reviews, 2012

What is the vagus nerve?by J. Seladi-Schulman, www.Healthline.com, 10/22/21

The polyvagal theory: New insights into adaptive reactions of the autonomic nervous systemby S.W. Porges, Cleveland Clinic Journal of Medicine

“Polyvagal theory: Herbs and practices to support vagal tone” by Paris Iha, Herbarium, Herbal Academy, 2022