Read the Vagus Nerve Impairment Self-Assessment and find out
Is Your Nervous System Stuck in Permanent Post-COVID Recovery Mode?
Ask yourself
- Has your energy never returned to pre-COVID levels, even months or years later, like the virus stole your batteries and never gave them back?
- Do you experience crushing fatigue that's completely different from normal tiredness?
- Does even light activity trigger severe exhaustion that lasts for days, making a trip to the mailbox feel like running a marathon?
- Do you feel like COVID "broke" your body's energy system permanently?
If you answered yes, you’re not alone. You’re one of millions experiencing post-viral symptoms, and it’s not “all in your head” – it’s a real, measurable dysfunction in your nervous system that’s hijacked your body’s ability to function normally.
Physiological Mechanisms:
- SARS-CoV-2 autonomic damage: COVID-19 can trigger autonomic nervous system dysregulation, sabotaging your body's control center like a virus attacking your computer's operating system — leading to persistent fatigue and heart rate irregularities that persist long after viral clearance.
- Chronic neuroinflammation: In people with lingering fatigue post-COVID-19, chronic low-grade neuroinflammation is a likely explanation - SARS-CoV-2 can infect the brain, causing persistent inflammation.
- Impaired cellular energy production: Viral interferons can persist in the organism for extended periods, leading to chronic inflammation and disruption of normal energy metabolism at the cellular level.
Scientific backing: 61% improvement in Post-COVID symptoms with Nurosym AVNT, including significant fatigue reduction. Studies show 10-30% of COVID patients develop persistent symptoms that can last years.
Is Your Nervous System Contributing to Post-COVID Cognitive Destruction?
Ask yourself
- Do you struggle with severe memory problems, focus issues, and mental clarity since COVID, standing in the middle of your kitchen wondering why you walked there?
- Does thinking feel effortful and exhausting in a way it never did before?
- Do you have difficulty finding words, following conversations, or making simple decisions, feeling like your brain is a broken search engine that can't find basic files?
- Does your brain feel "broken" or like it's operating through thick fog?
This isn’t normal aging or stress – it’s measurable brain dysfunction caused by COVID’s attack on your nervous system, turning your once-sharp mind into a sluggish computer with corrupted software.
Physiological Mechanisms:
- SARS-CoV-2 neuroinvasion: SARS-CoV-2 can infect the brain directly, hijacking your neural networks like malware — causing persistent neuroinflammation that disrupts cognitive processing centers for months or years.
- Disrupted brain-gut communication: Vagus nerve involvement in relaying peripheral viral inflammation to the brain affects cognitive function, creating the "brain fog" that devastates daily life.
- Neurotransmitter dysfunction: Viral interferons persist and lead to reduced neurotransmitter production, starving your brain of the chemicals it needs to think clearly — directly impairing memory, focus, and mental processing speed.
Scientific backing: Rapid remission of core Post-COVID symptoms, including cognitive dysfunction, after just 10 days of intervention with Nurosym neuromodulation.
Is Your Nervous System Causing Dangerous Post-COVID Heart Problems?
Ask yourself
- Do you experience rapid heart rate, especially when standing (30+ BPM increase), like your heart thinks you're sprinting when you're just trying to brush your teeth?
- Do you have chest pain, palpitations, or shortness of breath during minimal activity?
- Do you feel dizzy, lightheaded, or faint with position changes since COVID, gripping doorframes just to stay upright?
- Has your exercise tolerance completely disappeared, leaving you housebound?
These aren’t anxiety symptoms – they’re signs of COVID-induced damage to your autonomic nervous system’s ability to regulate your cardiovascular system, turning simple movements into cardiac emergencies.
Physiological Mechanisms:
- COVID-induced autonomic neuropathy: Post-viral autonomic dysfunction can lead to Postural Heart Rate Abnormalities and dangerous orthostatic intolerance that severely limits daily functioning.
- Impaired cardiovascular regulation: Dysautonomia through infection of endothelial cells and extra-cardiac postganglionic sympathetic neurons sabotages your heart's ability to respond normally to basic activities — creates persistent heart rate abnormalities.
- Persistent inflammation affecting heart function: Early trials show reductions in hallmark post-viral symptoms including irregular blood pressure and cardiovascular instability.
Scientific backing: Studies show elevated risk of new-onset cardiovascular issues up to 4 years after SARS-CoV-2 infection. Female post-viral patients show significant improvements in cardiovascular symptoms with tVNS.
Is Your Nervous System Contributing to Post-COVID Digestive Chaos?
Ask yourself
- Do you experience persistent nausea, severe bloating, or debilitating abdominal pain since COVID, feeling like your stomach is constantly staging a revolt?
- Have your bowel habits changed dramatically (new constipation, diarrhea, or unpredictable alternating)?
- Do you have new food intolerances or digestive sensitivities you never had before, watching your favorite foods become dietary landmines?
- Does eating trigger fatigue, nausea, or other systemic symptoms throughout your body?
Your gut didn’t just “get sensitive” – COVID damaged the vagus nerve that controls your entire digestive system, turning your stomach into a broken machine that can’t process food properly.
Physiological Mechanisms:
- COVID-19 gut-brain axis disruption: Viral interferons persist and lead to chronic inflammation affecting the enteric nervous system, severing the communication highway between your brain and digestive system — creating widespread digestive dysfunction.
- Vagal dysfunction: The vagus nerve regulates digestive motility and enzyme secretion; COVID damage impairs normal gut function, leading to the severe symptoms you're experiencing.
- Microbiome disruption: Inflammation elsewhere in the body activates immune responses via retrograde neural signals involving the vagus nerve, disrupting your gut's bacterial balance.
Scientific backing: Gastrointestinal issues showed improvement with Nurosym device in post-viral studies, though abdominal pain and diarrhea were commonly the last symptoms to resolve.
Is Your Nervous System Preventing Recovery Through Quality Sleep?
Ask yourself
- Has your sleep quality dramatically worsened since COVID infection, leaving you exhausted despite hours in bed, like your body forgot how to actually rest?
- Do you have trouble falling asleep or staying asleep throughout the night?
- Do you wake up feeling more exhausted than when you went to bed, regardless of sleep duration, dragging yourself out of bed like you spent the night in a wrestling match?
- Does poor sleep seem to trigger worsening of all your other post-viral symptoms the next day?
Your sleep isn’t just “disrupted” – COVID damaged the neural pathways that control restorative sleep, turning your bedroom into a torture chamber instead of a recovery sanctuary — trapping you in a cycle of exhaustion
Physiological Mechanisms:
- COVID-induced circadian disruption: Viral interferons can persist in the organism, hijacking your body's internal clock like a virus corrupting your sleep software — disrupting normal sleep-wake cycles and preventing the deep sleep phases necessary for recovery.
- Persistent sympathetic overactivation: The nervous system remains stuck in "fight or flight" mode post-COVID, preventing restorative parasympathetic sleep phases.
- Neuroinflammation affecting sleep centers: Chronic neuroinflammation disrupts brain regions responsible for sleep regulation, creating the non-restorative sleep that leaves you more tired than before.
Scientific backing: Nurosym helps stabilize mental state to achieve high-quality sleep and wake up with more energy. Sleep improvements are commonly reported in Long COVID patients using vagal neuromodulation.
Could Persistent Post-COVID Inflammation Be Attacking Your Entire Body?
Ask yourself
- Do you experience widespread pain, severe headaches, or inflammatory symptoms that seem to migrate around your body, like having a roving internal fire that never gets extinguished?
- Do you feel like your immune system is either overactive (constant inflammation) or underactive (frequent infections)?
- Have you developed new allergies, sensitivities, or reactions to foods, chemicals, or medications since COVID, turning your body into a minefield where everything feels dangerous?
- Do you have symptoms that seem to affect every body system simultaneously, leaving doctors puzzled?
This isn’t hypochondria – it’s measurable, persistent inflammation caused by your nervous system’s inability to regulate immune responses after COVID, turning your body’s defense system into a weapon against itself.
Physiological Mechanisms:
- Sustained inflammatory cascade: Study results show Nurosym activates the vagus nerve, putting out the internal fires that COVID lit throughout your body — leading to inhibition of both central (brain) and peripheral (body) inflammation that COVID triggered.
- Autoimmune molecular mimicry: Autoimmunity due to molecular mimicry between pathogen and host proteins can trigger widespread symptoms affecting multiple organ systems simultaneously.
- Impaired anti-inflammatory regulation: Chronic inflammation contributes to onset and severity of symptoms including fatigue, pain, and gastrointestinal problems that define Long COVID syndrome.
Scientific backing: By modulating the inflammatory response, Nurosym effectively regulates autonomic nervous function and immune system activity. Women show higher autoantibody levels post-COVID, explaining symptom severity.
Exploring Nurosym Vagus Nerve activation as a breakthrough path to post-viral fatigue recovery
After suffering for months or years with symptoms doctors can’t explain or solve, Nurosym neuromodulation offers hope – an immediate, scientifically-proven way to start repairing the nervous system damage COVID left behind.
Three Key Benefits:
Instant effect in minutes
Just wear it and let it work. No need to learn complex protocols or change your entire lifestyle when you barely have energy to function.
50+ scientific studies
Scientifically proven in collaboration with leading institutions like Harvard, UCLA, NHS – not another unproven “post-viral fatigue cure”
Drug-free & non-invasive
0 serious adverse events in studies to date. Ndrug interactions, no worsening symptoms that many medications cause.
Trusted by leading wellness professionals and scientists
User Stories and Results
Severe post-viral Recovery Verified Trustpilot Review
“I have been struggling for 2 years with post-viral symptoms and I got so bad I haven’t left my house for 3 months, and I can’t talk or sleep anymore. even chewing was too loud and my phone too bright. When I used the device the first time, it felt like someone had turned the volume down and just calmed me. Since then I use it 3 times a day and meditate while using it and now I can already walk again 1,5 stairs of 2. So very soon I will be able to leave my flat again. All my symptoms improved and I am feeling hopeful again.”
8-Month post-viral Journey Verified Trustpilot Review
“I used the Nurosym for about 8 months to help with awful post-viral symptoms. It has been a huge part of my recovery process. The customer service has been truly amazing. Each time I had a question about the device, my email was answered immediately, and the support was so helpful!”
Multiple post-viral Conditions Verified Trustpilot Review
“I have long post-viral symptoms, persistent tiredness, dysautonomia, hypersomnia, digestive issues, and central sensitization syndrome (all due to COVID infection). I have been using it daily since July 2024. At first, I noticed a significant change on all levels. I was able to rest when I slept, my digestion improved significantly and it felt like my body was learning how to regulate itself.”
Healthcare Professional with POTS Verified Trustpilot Review
“Being a health care professional myself and experiencing post-viral fatigue and postural heart rate abnormalities. I feel there are so many areas of rehabilitation missing a trick by not using these as part of their therapy… The device is portable, easy to set up, apply and use and within a 30 minute session I feel the next level of relaxation especially when used before bed.”
Doctor-Recommended Recovery Verified Trustpilot Review
“Very good customer service. The device was recommended to me by a doctor specializing in post-viral fatigue and persistent tiredness. The device itself has been helpful… The staff at Nurosym seemed a lot more knowledgeable of the condition than my own doctor – I really appreciated their insight.”
Post-Vaccine Verified Trustpilot Review
“I have had such a chronic illness following covid vaccine/ post-viral fatigue. My days have been so miserable. I have tried a multitude of specialties and no one seems to have any answers for me. After yet another research session in the early hours, I came across Nurosym. Something resonated in me and I took the plunge. I have felt some real improvements in myself towards the end of this first week.”
Meet The Doctors
A practicing doctor of psychiatry, Elisabetta has an MBA from INSEAD Business School, and experience in direct patient care, neuroscience research, communication and management. Dr. Burchi is a physician-scientist, working with Parasym in scientific affairs with a track record of publishing in the most important scientific journals such as The Lancet, writing successful grant proposals for the NIH, and leading the production of editorial, scientific, regulatory and promotional material in collaborative multidisciplinary teams. Dr. Burchi has also coordinated scientific studies and implemented a tele-medicine practice which received a certification of excellence among more than 100,000 professionals.
Dr. Elisabetta Burchi, MD, MBA
Translational research lead at Parasym
Take Control of Your Cortisol Naturally
Claim €70 OFF the most studied vagal neuromodulation device in the world.
Take part in our study to advance research in neuromodulation and claim €70 subsidy on your device.
*Takes less than 2 minutes to complete.
50+
Ongoing scientific studies
4M+
Happy user sessions
30
Day money back guarantee
Certified medical device
Claim €70 OFF the most studied vagal neuromodulation device in the world.
Take part in our study to advance research in neuromodulation and claim €70 subsidy on your device.
*Takes less than 2 minutes to complete.
50+
Ongoing scientific studies
4M+
Happy user sessions
30
Day money back guarantee
Certified medical device
30 Day Money-back Guarantee
If you try Nurosym daily for 30 days and aren’t happy with your results, we’ll send you a full refund of your Nurosym Kit. No questions asked. Given the remarkable results Nurosym has had in scientific studies and with our customers around the world, we’re confident in its health-restoring effects.
Our goal will always be to restore our collective health – restoring health for as many people as we can and in turn, restoring the health of our planet. If Nurosym doesn’t work for you for any reason, we’re happy to send you a refund. This refund period is available 30 days after the date of purchase and expires the following week (37 days after the date of purchase). The refund will be issued once we receive your tracking code for the return.
To receive a refund: contact us
Got questions? Here is everything you need to know
Symptoms we studied
These post-viral symptoms have been linked to autonomic nervous system imbalance and Vagus Nerve Impairment:
- Post-viral fatigue and energy depletion
- Severe brain fog and cognitive dysfunction
- Heart rate abnormalities and postural heart rate abnormalities
- Digestive dysfunction and gut dysbiosis
- Non-restorative sleep and sleep problems
- Widespread inflammation and autoimmune-like symptoms
- Exercise intolerance and post-exertional malaise
- Anxiety, depression, and mood dysregulation
- Temperature regulation problems
- Chemical and food sensitivities
Our latest research data also suggests Nurosym improves learning and short-term memory and cognition.
Nurosym also has been shown to promote relaxation, mood, sleep, healthy digestion, increased HRV, as well as to alleviate symptoms of stress, burnout, adrenal fatigue.
When can I start feeling the effects for post-viral fatigue?
Many patients suffering from post-viral fatigue notice initial improvements within the first week of use. The timeframe for experiencing the effects of Nurosym varies, but individuals with post-viral symptoms often notice improvements within 1 to 3 days, while others may see results within 4 to 6 weeks. Rest assured, the transformative benefits of Nurosym will be within reach.
Is Nurosym safe for patients suffering from post-viral fatigue?
Neuromodulation via Nurosym is considered safe when used as intended.
Nurosym has these certificates.
– It is based on scientific evidence
– It is safe to use
– It has demonstrated scientific efficacy
Be sure to read the important safety information before use. Thousands of users have tested the device and no serious adverse effects have been reported in studies to date.
What does it feel like?
Feels like a pleasant, light vibration or tingling sensation in your ear.
Are there any additional costs or subscription fees?
There are no additional costs or fees, only the one-time purchase of the Nurosym.
How long should I use Nurosym each day for optimal results?
We recommend using Nurosym for 1 hour each day, however, benefits can be seen with as little as 15 minutes of use. Many patients use it 2-3 times daily during acute symptom flares.
Can I perform other activities while using it?
Yes, you can experience the benefits of Neurostimulation anywhere, anytime while doing any activity.
Do I need a prescription to purchase Nurosym?
No. However, we recommend that you consult with your health professional if you’re unsure whether Nurosym is right for you.
What are the details of your 30-day guarantee?
If you try Nurosym daily for 30 days and aren’t happy with your results, we’ll send you a full refund. No questions asked.
Does Nurosym come with a warranty?
Yes! We offer a one-year warranty with every Nurosym device.
How long do orders take to ship?
Orders are processed and dispatched within 1-3 business days.
What is in the Nurosym Package?
- Nurosym device
- Earpiece
- USB charger
- Case
- Quick start guide
The article does not in any way constitute as medical advice. Please seek consultation with a licensed medical professional before starting any treatment. This website may receive commissions from the links or products mentioned in this article.
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Finally, someone explains why even small tasks leave me wiped out