Nurosym Vagal Neuromodulation System
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Nurosym: a calm few minutes for your nervous system
So many of us spend our days switched on: busy minds, full diaries, and very little time in “rest and digest”. Nurosym is a small wearable that has become part of my own wind-down routine, and it’s one of the most talked-about wellness devices of the moment.
Nurosym is made by Parasym, a neurotechnology company based in London. It’s a small handheld unit with an earpiece that clips onto your left ear. The earpiece sends gentle electrical pulses through the skin of the tragus, the small flap at the front of your ear, where a branch of the vagus nerve sits close to the surface. You turn it up until you feel a light tingle [1].
“I’ve been using the Nurosym device as part of my wellness routine recently, and it’s honestly such a powerful little tool. I can feel how it helps my body shift into a calmer, more balanced state, and it’s become something I reach for daily to support both my focus and recovery.” - Georgie x
What Nurosym says it does
Nurosym describes its device as the most studied CE-marked non-invasive vagal neuromodulation system in the world. It says it supports relaxation, mood, sleep, digestion and heart rate variability (HRV), and that its technology has been tested in more than 60 completed studies with research partners including universities in the USA [1].
These are Nurosym’s own claims, and they’re backed by a growing body of research interest in ear-based vagus nerve stimulation — which is what I’ve looked at below.
Who it’s for
✅ You’re curious about vagus nerve stimulation and want a well-researched device rather than an untested gadget
✅ You want a calm, screen-free ritual you can do while reading, resting or winding down
✅ You like tools that fit into everyday life, with no gels or monthly fees [1]
Safety first
Nurosym says the device isn’t suitable for [1]:
• People who have had surgery to cut the vagus nerve (cervical vagotomy)
• People diagnosed with a severely low resting heart rate
• People with a permanent metal or electronic implant or jewellery close to the tragus
• Pregnant women
It also asks people with an active implanted device (such as a pacemaker or cochlear implant), known severe coronary disease or a heart attack in the last five years, and children to use it only with a health professional’s approval and supervision [1]. Please read Nurosym’s full safety information before you order.
Good to know
| What’s in the kit | Nurosym device, earpiece, travel case and charger [1] |
| How it’s used | Earpiece on the left tragus, turned up to a light tingle. Nurosym suggests sessions of 15 to 60 minutes a day [1] |
| Ongoing costs | No monthly fees and no gel needed [1] |
| Side effects | Nurosym says the most common issue is mild, usually temporary, skin irritation where the electrodes sit [1] |
| Money-back guarantee | 30 days, with refund requests open until 37 days after purchase (Nurosym’s terms) [1] |
| UK delivery | Ships from the UK, with no import fees for UK orders [1] |
Your questions, answered
What does it feel like?
A light tingling on the front of your ear. You control the intensity and only need to turn it up until you can feel it [1].
Can I use it while doing other things?
Nurosym says you can wear it during calm, non-intensive activities such as reading or working at a desk [1].
Is it a medical treatment?
Nurosym is CE-marked, according to the brand, but please don’t use it in place of advice or treatment from your doctor. If you have a heart condition or an implant, speak to your doctor first.
Do I buy it from Glowing Healthy?
No. You buy directly from Nurosym. We list it here because we love it, and the Shop button takes you straight to Nurosym.
Sources:
[1] Nurosym, product page (claims, contraindications, how to use, guarantee, shipping): nurosym.com
[2] Clancy JA et al. Non-invasive vagus nerve stimulation in healthy humans reduces sympathetic nerve activity. Brain Stimul, 2014: PubMed 25164906
[3] Bretherton B et al. Effects of transcutaneous vagus nerve stimulation in individuals aged 55 years or above. Aging, 2019: PubMed 31358702
[4] Stavrakis S et al. TREAT AF: a randomized clinical trial. JACC Clin Electrophysiol, 2020: PubMed 32192678
[5] Stavrakis S et al. Noninvasive vagus nerve stimulation in postural tachycardia syndrome: a randomized clinical trial. JACC Clin Electrophysiol, 2024: PubMed 37999672
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