Your Nervous System
Has an Off Switch.
We Found It.
ZenBud helps gently shift your body out of fight-or-flight and back toward calm, using precise ultrasound vagus nerve stimulation.
GET ZENBUD
THE PROBLEM
You’re not burned out. Your nervous system is.
Stress doesn’t just live in your head. It gets trapped in your body. And most solutions never reach it. They treat the symptom, not the source.
Intolerable stress
Easily irritated
Feelings of Hopelessness
Sleepless nights
Stress is not just something you think. It is something your body holds — and ZenBud was built to support you through that.
THE SCIENCE
The Vagus Nerve:Your Body's Built-In Reset Button.
The vagus nerve runs from your brainstem through your heart, lungs, and gut, helping regulate stress and recovery. Most people never learn to work with it.
ZenBud targets your auricular branch, using focused ultrasound to help vagal tone over time.
5 Mins ~
Minimum session to feel the shift
Deeper sleep
Reported by most users within the first week
↑ HRV
Measurable in most users within first session
MEET ZENBUD
Your Nervous System Has an Off Switch. We Found It.
ZenBud is a vagus nerve stimulator — a lightweight wearable that sits like a headset and uses focused ultrasound to help activate your body’s natural calm response. The same technology used safely in medical imaging for decades, now in your hands.
Not electrical— ultrasound reaches deeper without electrical shock
Not a drug— works with your body’s own relaxation pathways
Not complicated— just plug into your phone and you’re ready
CE compliant— built to medical-grade safety standards
90-Day— Money-Back Guarantee
THE MECHANISM
How ZenBud Works
You put it on
Headset over your ears · 20 sec setup
Start your session
Ultrasound reaches your vagus nerve
Parasympathetic response activates
Heart rate settles · tension eases
HRV improves over time
Track it on Oura · Apple Watch · Garmin
ABOUT THE DEVICE
Everything Your Nervous System Needs
Dual VNS Buds
Two-point contact for consistent, reliable vagus nerve activation every session.
Sessions as quick as 5 minutes
Get the restorative benefits quickly and conveniently.
Breathwork mode
Guided breathing patterns to maximize relaxation. Powered by The Breath Source.
Music & audio
Pair with your favorite calming soundscapes.
The World Doesn't Pause. Now You Can.
Most wellness tools need the right conditions. ZenBud works in ANY condition.
PARTNERSHIP
ZenBud × Breathsource: Science Meets Practice.
Every ZenBud comes with exclusive access to Breathsource a leading breathwork platform with guided programs designed to deepen your sessions and build long-term nervous system resilience.
Free trial included with every device
Curated breathwork programs for stress, focus, and sleep
Beginner to advanced — at your own pace
Trusted by top experts in performance
TESTIMONIALS
What people love
about ZenBud
The best proof is how ZenBud fits into real life, from winding down before bed to resetting after a stressful day.
Visit ZenBud Community
GET STARTED
ZenBud
Gentle ultrasound activates your body's natural calm response, providing measurable relief in five quiet minutes.
- 90-day money-back guarantee
- 1-year manufacturer warranty
- Free travel case & silicone pads
- Free 7-day trial for BreathSource