Samphire Neuroscience
San Francisco, CAFounded 2021
- Neuromodulation
- Wearables
- Chronic pain
Samphire Neuroscience develops brain-based, non-invasive neuromodulation devices for pain and mood conditions associated with hormonal change. Its Samphire Headband, marketed as Nettle™, targets conditions including PMDD, endometriosis, dysmenorrhea, perimenopause, chronic pelvic pain, and migraine.
- Patent
- 1
- Founded
- 2021
- Employees
- 11–50
reccy insights
Samphire Neuroscience’s clearest recent milestone was its $5 million seed round announced on Jun 3, 2025, led by Inventure. The round brought the company’s recorded funding total to $7.3 million across six rounds and included participation from Fortify Ventures, FIRSTPICK, AfterWork Ventures, Ayuh Ventures, Seaside Ventures, SOSV, SOSV HAX, APEX Capital, and Marianne Vikkula. The financing followed a $2.3 million pre-seed round announced on Feb 21, 2024. Samphire’s product work centers on Nettle™, a non-invasive tDCS-based device for pain and mood conditions associated with hormonal change, and Lutea™, a wellness-oriented device for stress regulation, sleep, and recovery. A patent publication dated Apr 12, 2024 covers systems and methods for neurostimulation in women’s health. The company is also hiring across clinical partnerships, business development, commercial strategy, and medical science liaison roles, indicating a focus on clinical adoption and commercialization. Public information does not establish additional company-specific launches, awards, or executive changes through Oct 7, 2026.
Written by reccy's AI from company sites, press and funding records · updated Oct 2026
What makes Samphire Neuroscience distinct
- 01Focuses on underserved women's health conditions traditionally managed through hormonal or surgical approaches.
- 02Clinical trials report benefits for PMDD-related anxiety and endometriosis pain compared with placebo.
- 03Nettle™ is a CE-marked Class IIa medical device for the United Kingdom and European Union.
- 04The company is certified under ISO 13485 as a medical device manufacturer.
- 05Combines clinical research, neuromodulation expertise, and medical and scientific advisory collaboration.
Technology & products4
- Nettle
A non-invasive neuromodulation device using transcranial direct current stimulation to target brain regions involved in mood regulation and pain perception, including symptoms associated with PMS, PMDD, endometriosis, and chronic pelvic pain.
- Nettle Loop
An ergonomic, adjustable accessory designed to stabilize the Nettle device on the head and improve comfort and fit during movement.
- Lutea
A wellness device using the company’s brain-stimulation technology to support stress regulation, sleep, recovery, and performance.
+ 1 more: Samphire App
Patents1
In the Cortex
- Lori Partners with Samphire Neuroscience on Brain-Based Women's Health TechSamphire Neuroscience on LinkedIn · Mar 16, 2026
- Madhurima Chakraborty Appointed Commercial Lead at Samphire NeuroscienceSamphire Neuroscience on LinkedIn · Dec 16, 2025
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About Samphire Neuroscience
- Products
- Nettle, Nettle Loop, Lutea, Samphire App
- Leadership
- Emilė Radytė, Co-Founder and CEO
- Focus areas
- Medical devices, digital health, neuromodulation, women's health, chronic pain, mental health, wearables, clinical research
- Headquarters
- San Francisco, CA
- Founded
- 2021
- Employees
- 11–50
- Patents granted
- 1 (Crunchbase)
- Trademarks
- 4