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Nerva
Nerva
Are You Struggling With Constant Bloating and Gut Discomfort?
Nerva uses Transcutaneous Vagus Nerve Stimulation (tVNS) to help regulate the nervous system pathways linked to digestion, and stress.
- 🌿 Helps regulate stress and anxiety
- 🍽️ Supports healthy digestion and gut comfort
- 🔊 Helps calm the systems linked to internal ringing
*For best results, use Nerva for at least 10 minutes once daily.
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Nerva
“I tried probiotics, magnesium, and stress supplements. Nothing helped. After using Nerva, my bloating and constant nervous tension finally started calming down.”
How It Works
How It Works
1. Place Nerva around your neck — no gel needed.
2. Press once to power on.
3. Select your mode — Sleep, Breathing, Relaxation, or Massage.
4. Adjust the intensity until you feel a gentle hum.
5. Relax for 10 minutes. The device switches off automatically.
Returns and Refunds
Returns and Refunds
🛡️ 60-Day Money-Back Guarantee
Shop with confidence. Every Rylte™ purchase is backed by our 60-day money-back guarantee. We recommend using your device for at least 14 days to allow your dog time to adjust and for the 3-phase protocol to take full effect — most owners see lasting results within this period.
If you're not satisfied after giving it a proper try, simply email us at hello@rylte.com with your order number within 60 days of delivery and we'll walk you through the return process. No complicated forms, no runaround — just reach out and we'll take care of it.
Shipping Information
Shipping Information
All Rylte™ orders ship free — no minimums, no hidden fees. Orders are processed within 1–3 business days and you'll receive a tracking number by email as soon as your package is dispatched. Estimated delivery is 7–15 business days depending on your location.
60-Day Money-Back Guarantee
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60-Day Money-Back Guarantee
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60-Day Money-Back Guarantee
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Customers Love our products
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Drug-Free Relief for Your Gut
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Restores Gut Function
Addresses the root cause of bloating, cramping, and unpredictable digestion
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Clinically Studied Technology
Powered by peer-reviewed Transcutaneous Vagus Nerve Stimulation (tVNS)
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Calms Your Nervous System
Supports digestion, reduces internal ringing, and helps your body finally switch off
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Use It From Home
No prescriptions, no clinic visits — 10 minutes a day
What's Really Causing Your Bloating and Gut Discomfort?
Your vagus nerve controls your entire digestive system — gut motility, inflammation, and the signal between your brain and intestines.
When that signal weakens, your gut stops working properly.
Chronic stress, poor sleep, and antibiotics all suppress this nerve — and once it's suppressed, no probiotic or elimination diet can fix it. Because they don't address the signal.
The result: Bloating, cramping, meal dread, and a gut that feels broken no matter what you eat.
Nerva Restores the Signal Your Gut Has Been Missing
When you place Nerva around the back of your neck, it immediately sends precise electrical pulses to your vagus nerve — reactivating the communication line between your brain and your digestive system.
Normally this requires a clinical device or surgical implant. With Nerva you get the same result at home, in 10 minutes.
Once the signal is restored, your gut starts regulating itself the way it was always designed to — less bloating, calmer digestion, fewer bad days.
Results from Customers
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★★★★★
I Finally Stopped Living In Survival Mode
“I tried meditation apps, magnesium, breathing exercises — everything. After a few weeks with Nerva, my body finally stopped feeling constantly stressed and overstimulated.”
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★★★★★
The First Thing That Actually Helped My Gut
“I spent years dealing with bloating and discomfort after almost every meal. Nerva was the first thing that helped my digestion calm down without changing my entire life.”
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★★★★★
The Ringing Finally Stopped Controlling My Life
“I tried masking sounds, supplements, and sleep aids with barely any relief. After using Nerva consistently, the ringing slowly became less overwhelming and easier to live with.”
Here's How Nerva Restores Healthy Gut Function
Nerva uses tVNS to gently send precise electrical pulses to your vagus nerve — reactivating the communication line between your brain and your digestive system.
This helps restore gut motility, reduce inflammation, and calm the responses that cause bloating and discomfort after meals.
The best part? You don't need to change your diet or your routine.
Simply place Nerva around your neck, select your program, and let the device do the work while you relax.
Calm Support, Made Simple
All you need to do is wear Nerva around your neck and let the device do the rest. The gentle tVNS stimulation works quietly in the background while you go about your day.
Its lightweight wearable design makes it easy to use while relaxing, reading, working, or winding down at home.
How to use Nerva
1. Download the Sleep Dev app from the App Store or Google Play.
2. Hold the power button for 3 seconds to turn the device on.
3. Open the app and connect via Bluetooth. Choose from 4 modes — Sleep, Relax, Focus, or Calm.
4. Place Nerva™ around your neck with the electrode contacts against the skin.
5. The device automatically switches off after 10 minutes. Your session is logged in the app.
Why Nerva Works When Everything Else Hasn't
Most gut treatments target the symptoms. Nerva targets the nerve that runs your entire digestive system — the one thing every other solution has missed.
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Probiotics | |
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Addresses root cause |
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Targets the vagus nerve directly |
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No diet changes required |
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Science-Backed tVNS |
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Multi-System Support |
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No diet changes required |
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60-day guarantee |
What the Science Says About tVNS and Gut Health
"Transcutaneous auricular vagus nerve stimulation produced statistically significant improvements in IBS symptom severity, anxiety, depression, and quality of life."
— Liu et al., American Journal of Gastroenterology, 2024 · p < 0.001
Surgical VNS has been FDA-approved since 1997. Nerva brings the same clinically studied mechanism to you — without drugs, prescriptions, or clinic visits.
Frequently Asked Questions
Is this actually backed by science or is it just another wellness gimmick?
Is this actually backed by science or is it just another wellness gimmick?
Vagus nerve stimulation isn't new. Surgical VNS has been FDA-approved since 1997 for treatment-resistant depression and epilepsy. A non-invasive insurance billing code (CMS K1020) was created in 2021 specifically for transcutaneous VNS devices. The U.S. Air Force Research Laboratory has studied consumer tVNS. The mechanism is real — what's new is being able to access it without a $30,000 surgical implant.
How does Nerva actually work?
How does Nerva actually work?
Nerva uses gentle Transcutaneous Vagus Nerve Stimulation (tVNS) to support the vagus nerve — one of the body’s main pathways involved in stress regulation, digestion, sleep, and nervous-system balance.
Is Nerva safe to use daily?
Is Nerva safe to use daily?
Yes. Nerva is designed for gentle, non-invasive daily use and works without drugs or prescriptions. Most customers use it for short sessions as part of their normal routine.
Will this help with stress and anxiety?
Will this help with stress and anxiety?
Nerva is designed to support the overstimulated nervous system often linked to chronic stress, tension, and feelings of overwhelm. Many users report feeling calmer and more regulated over time.
Can Nerva help with bloating or digestion?
Can Nerva help with bloating or digestion?
The vagus nerve plays an important role in digestion and the body’s “rest-and-digest” response. Nerva is designed to support the nervous-system pathways connected to digestive regulation and gut comfort.
Can this help with ringing or tinnitus?
Can this help with ringing or tinnitus?
Some customers use Nerva to support the overstimulated nervous system associated with internal ringing and stress-related tension. Individual experiences may vary.
How long does it take to notice results?
How long does it take to notice results?
Some users report feeling calmer after their first few sessions, while others notice gradual improvements over several weeks of consistent use.
Feel the Difference in 60 Days — Or Your Money Back
If you don't feel a genuine difference in 60 days, we don't deserve your money. Try Nerva™ completely risk-free.