Dave Asprey’s Nervous System Biohack
“The ZenBud uses ultrasound to stimulate my vagus nerve so I can roll easy into my next event, keeping me grounded, clear, and focused. It works better than electric stimulation (and doesn’t hurt!). Plus, it’s more affordable.”
— DAVE ASPREY
Are you optimizing it?
You track your sleep, stress, and heart rate variability (HRV), but what if you could actually work on those numbers? ZenBud is a wearable that uses focused ultrasound to stimulate your vagus nerve and unlock a new level of biohacking recovery.
With just a few minutes a day, support your HRV, deeper calm, and faster stress recovery, felt within minutes.
Feel calm, naturally
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 discomfort
- Not a drug — works with your body’s own relaxation pathways
- Not complicated — put it on and plug it in
- Compliant with CE standards — built to safety standards
- 45-day — money-back guarantee
Why ZenBud works
ZenBud is engineered for peak optimization whether you’re tracking HRV, mastering breathwork, or seeking calm on command. If you:
ZenBud gives biohackers the edge without shocks or side effects.
ZenBud Series 2
Gentle ultrasound activates your body’s natural calm response in five quiet minutes.
- 45-day money-back guarantee
- 1-year manufacturer warranty
- Free travel case & silicone pads
- Free 7-day trial for BreathSource
ZenBud is a general wellness device. It is not intended to diagnose, treat, cure, or prevent any disease. Individual results vary.