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Frequency Specific Microcurrent (FSM) and Avazzia Microcurrent for Vagus Nerve Support: Natural Nervous System Reset

  • Writer: Nicole Longwell
    Nicole Longwell
  • Jul 19
  • 4 min read

Updated: Jul 21


How Frequency Specific Microcurrent Supports the Vagus Nerve and Nervous System Regulation

If you're feeling chronically stressed, inflamed, or stuck in survival mode, your vagus nerve may be out of balance—and Frequency Specific Microcurrent (FSM) could be the missing link in your healing journey.

FSM is a cutting-edge, non-invasive therapy that helps repair tissue, regulate the nervous system, and may help to restore vagal tone—gently and naturally. And for clients with anxiety, trauma, long-COVID symptoms, chronic stress, chronic inflammation, exposure to toxins or mold, or who have dealt with other infections or autoimmune issues, FSM offers a safe, effective way to reset.


Diagram of human parasympathetic innervation showing yellow nerves connecting brainstem to organs like heart, lungs, and intestines. Labels included.

🔎 What Is the Vagus Nerve?

The vagus nerve is the main communicator of your parasympathetic nervous system—your body’s “rest, digest, and repair” network. It connects your brain to vital organs like the heart, lungs, and gut, influencing:

  • Heart rate variability (HRV)

  • Digestion and gut-brain signaling

  • Immune system regulation

  • Mood and stress recovery

  • Inflammatory responses


Low vagal tone can lead to symptoms like:

  • Anxiety or panic

  • Digestive issues (IBS, reflux, bloating)

  • Brain fog and fatigue

  • Poor stress recovery

  • Long-COVID or post-viral dysregulation


⚡ What Is Frequency Specific Microcurrent (FSM)?

FSM is a gentle, low-level electrical current applied to the body using specific frequencies tailored to your condition. It mirrors your body’s natural electrical signals to stimulate tissue repair, reduce inflammation, and reset cellular communication.

Unlike traditional electrical stimulation (like TENS), FSM works below the sensory level, meaning you likely won’t feel it—but your body will.


✅ Causes of Vagus Nerve Dysregulation

  • Chronic stress or anxiety (Overactivation of the sympathetic nervous system reduces vagal tone)

  • Emotional or physical trauma (Especially from abuse, accidents, or PTSD)

  • Inflammation and autoimmune conditions (e.g., lupus, rheumatoid arthritis, long COVID)

  • Neck or head injury (Whiplash, concussion, or cervical spine dysfunction)

  • Poor posture and shallow breathing (Limits diaphragm movement and vagal stimulation)

  • Digestive issues and gut imbalance (IBS, SIBO, leaky gut, and vagus nerve–gut axis disruption)

  • Viral infections (Long COVID, Epstein-Barr virus, or herpes viruses)

  • Post-surgical trauma or scar tissue (Especially in the neck, chest, or abdomen)

  • Fascial restrictions and chronic muscle tension (Especially around the jaw, neck, chest, and diaphragm)

  • Sleep deprivation or poor circadian rhythm (Disrupts autonomic nervous system regulation)

  • Toxin or mold exposure (Can affect nerve function and trigger inflammation)


🌿 How FSM Helps Regulate the Vagus Nerve

FSM supports vagus nerve health by:

✔️ Increasing Vagal Tone

FSM stimulates the vagus nerve directly using specific frequency pairs (e.g., 81 Hz for nerves, 10 Hz for inflammation), helping improve HRV, breath regulation, and gut-brain signaling.

✔️ Reducing Systemic Inflammation

Many vagus nerve issues stem from chronic inflammation. FSM helps calm inflammatory cytokines and restore immune balance—especially beneficial in post-viral or autoimmune conditions.

✔️ Calming the Nervous System

FSM is known to activate the parasympathetic state, reduce cortisol, and support nervous system re-regulation for those with trauma, PTSD, or anxiety.

✔️ Improving Gut, Lung, and Heart Rhythm

FSM protocols that focus on the diaphragm, neck, chest, and cranial nerves support organ function and vagal pathways.


🧘 Who Can Benefit from Microcurrent for the Vagus Nerve?

FSM for vagus nerve support may help if you experience:

  • Long-COVID symptoms (fatigue, breathlessness, brain fog)

  • Nervous system dysregulation (burnout, trauma)

  • Gut issues connected to stress

  • Migraines or vagus-related headaches

  • Heart rate or breath irregularities under stress

  • General anxiety, panic, or emotional overwhelm

  • Chronic conditions like Chronic Fatigue Syndrome, Chronic Inflammation, Fibromyalgia, POTS (Postural orthostatic tachycardia syndrome), and some autoimmune conditions


💡 How Do I Know If My Vagus Nerve Is Balanced?

When your vagus nerve is functioning well, your body tends to operate from a state of rest, regulation, and resilience. This is often referred to as "high vagal tone", and it can be felt in both body and mind.

Here are signs your vagus nerve may be balanced:

  • 💓 Steady, calm heart rate with good variability

  • 🍽️ Healthy digestion—regular bowel movements, minimal bloating

  • 😌 Ability to relax easily after stress or exertion

  • 💤 Restful sleep and easier time falling asleep

  • 🧠 Clearer thinking and improved emotional regulation

  • 😊 Feeling connected, calm, and safe in your environment

  • 🧘‍♀️ A body that shifts easily between activity and relaxation

If you notice these patterns improving over time—especially with regular massage, microcurrent, breathwork, or other vagus-supportive therapies—you’re likely increasing your vagal tone and overall resilience.


❓How many sessions do I need to see results?

While some clients notice a shift after one session, vagus nerve support is often most effective with regular sessions. Your therapist will work with you to create a care plan that fits your needs—whether that’s weekly, biweekly, or monthly.


❓Can Microcurrent therapy for vagus nerve support be combined with other treatments?

Yes! It works beautifully alongside:

  • Mental health care (therapy, EMDR)

  • Chiropractic or osteopathic care

  • Functional medicine

  • Breathwork and yoga

  • Massage Therapy, Manual Lymphatic Drainage, CranioSacral Therapy, Myofascial Release, and other manual therapy techniques


🕯️ Gentle. Intelligent. Effective.

FSM and vagus nerve therapy work best as part of an integrative care plan that may also include:

  • Craniosacral therapy

  • Lymphatic drainage massage

  • Breathwork

  • Manual therapy techniques for the neck and diaphragm

At Longwell Massage Therapy, we combine hands-on healing with bioelectric support for deep, lasting change.


📍 Searching for Vagus Nerve Therapy Near You?

We offer Frequency Specific Microcurrent in a trauma-informed, nervous-system-aware setting that honors your pace. Whether you're recovering from illness or simply ready to heal your stress response, we’re here to help.


🗓️ Schedule your Microcrrent for Vagus Nerve session at:🔗 www.longwellmassagetherapy.com






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