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Wireless. App-controlled. Zero wires.

Vagal Buddy tVNS

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The Vagus Nerve ▼

Understanding Your Vagus Nerve

What is the Vagus Nerve?

The nerve that connects brain to body.

The Vagus Nerve Journey

Interactive scroll animation.

How tVNS Works

Interactive 3D: follow a pulse through your tragus.
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Trusted by Scientists since 2019.Scientist Trusted

Recommended to their patients by doctors.Doctor Recommended

Explainers

Heart Rate Variability: What It Is, Why It Matters, and How to Improve It

July 19, 2020

Heart rate variability (HRV) measures the variation in timing between heartbeats -- and it reveals more about your nervous system than heart rate alone. Learn…