Parasym™ tVNS Device 
Parasym™, a CE certified device, delivers non-invasive neuromodulation to harness the beneficial therapeutic mechanisms of stimulating the auricular branch of the vagus nerve.
Parasym is a portable battery operated hand-held device that includes:
- Treatment on demand
- User selected intensity levels for personalised treatments
- Recommended treatment time of 60 minutes per day
How Parasym™ works
Parasym™ works by stimulating the auricular branch of the vagus nerve with targeted micro pulses of electrical current through a specially designed electrode that connects to the tragus of the outer ear.
Through the Parasym™ device, it is possible to achieve safe and effective non-invasive vagus nerve stimulation by activating afferent vagal nerve fibres.
To date, Parasym™ has shown significant therapeutic effects associated with targeted vagal modulation with no serious adverse events in any clinical trials.

Non-invasive and low risk
Safe and effective non-invasive vagus nerve stimulation. The Parasym™ device is very easy to use with many therapeutic benefits.

Portable
The Parasym™ is a handheld, portable tVNS device that can be operated from your own home or during your daily activities.

Intended use
The Parasym™ device is indicated for the management of symptoms associated with depression, pain, anxiety, and insomnia in adults.

Clinical practice
The Parasym™ device is being used in leading health and academic centers for clinical practice and new fields of research.
If you are ready to purchase the Parasym™ tVNS Device, please click here to make an online order.
For more information on how to partner with Byond Healthcare, please complete our contact form.
A guide to using my device
About my device
Please visit our FAQs and troubleshooting page for more information about the Parasym™ device as well as other medical devices distributed by Byond Healthcare.