The Science

Your body’s secret to a happier gut

Over a century of vagus nerve research, now working for your gut.

The science behind Nevia®

Nevia® uses bioelectronic stimulation to activate the vagus nerve, improving the gut-brain connection and supporting your body’s natural balance.

Nevia® in action
Tap the hotspots to explore how Nevia® works.

What is the Vagus Nerve?

The Vagus nerve is the longest nerve in your body, running from your brainstem all the way down to your gut. It controls digestion, inflammation, stress, and mood. When it works well, you feel it. When it doesn't, your gut lets you know.

Think of it as your body's built-in communication line between your brain and gut.

It runs your parasympathetic nervous system, the system responsible for calming your body down and keeping your digestion on track.

Vagus nerve stimulation pathway from brain to gut

Science, honestly told.

Independent researchers have studied vagus nerve stimulation for decades. Here’s the territory that work explores, cited honestly and never as promises. Individual results vary.

Gut wellness & the gut-brain axis

VNS is widely studied for its role in gut health and the two-way conversation between brain and gut.

Bioelectronic Medicine · reviews of the field

From clinic to living room

Vagus nerve research spans over a hundred years. Nevia® translates it into a gentle, non-invasive daily routine.

Over a century of published research

Nothing sharp, nothing to swallow

Across published VNS studies from 2021 to 2025, researchers report no serious adverse events. Non-invasive, drug-free, no pills.

Multiple peer-reviewed trials, 2021–2025

The vagus nerve is the body’s built-in anti-inflammatory highway. We’ve known this for years. What we haven’t had is a way to harness it for Gut Health outside of a clinical setting. Nevia® changes that equation entirely. We’re not masking symptoms. We’re modulating the immune response at the neural level.

Dr. Scott LeeGastroenterologist, Director of IBD at UW Medicine | Principal Investigator

Ready to Feel the Difference?

The science is proven. The device is built. Your gut has been waiting for this.

See the Research