gammaCore is an easy-to-use treatment

Watch and learn how to use gammaCore (nVNS)

How to use gammaCore Sapphire

Has your gammaCore device run out of stimulations?
If so, order a refill card and reload more stimulations. Here's how:

How to load your gammaCore Sapphire

*Depending on your gammaCore model number, your device may not need refills. If obtaining your device through the VA, treatment duration will vary. Please reference the IFU in your packaging or reach out to your healthcare provider if you have questions.

Treatment designed with ease in mind


Find the correct treatment location and positioning on the neck to activate the vagus nerve


Apply the supplied gel to the stimulation surfaces of the device, turn it on, and position it on the neck


Adjust the intensity level to what's right for you