Samphire Neuroscience
Founded 2021 · 12 employees on LinkedIn · 13 known investors
Samphire Neuro makes the Nettle Headband, a medical-grade wearable that uses neurostimulation to manage mood and chronic pain symptoms linked to hormonal changes across the menstrual cycle. Its patented CycleSync technology maps cycle phases and symptom history to build a personalized treatment protocol.
Founders & leadership
Samphire Neuroscience was founded in 2021 by Emilė Radytė.
ER
Emilė RadytėCEO
Investors · 13
AfterWork VenturesSan Francisco · $100K – $500K
Alberts Impact VenturesSydney
Angel AcademeLondon · $11K – $385K
CVX VenturesCopenhagen · $13K – $250.6K
FirstpickVilnius · $110K – $550K
Fortify VenturesWashington · $100K – $2M
Inventure
Seaside VenturesBoulder · $250K
InventurereportedHelsinki · $330K – $5.5M
SOSVreportedNew York · $30K – $550K
Also in the syndicate · 3
AfterworkAyuhSeaside
Funding
SEC filings, press & company announcements$2.3M disclosed across 1 of 2 rounds · 2024–2025
- Undisclosed amountseed roundJun 2025Source ↗
- $2.3MPre-seedFeb 2024 · 2 sources
Afterwork, Ayuh, CVX Ventures, FIRSTPICK, Seaside, SOSV
Source ↗
Source: company announcements and press reports — follow each round's link for the claim.
Competitors · 4
by search overlap
Flo Health16473 shared keywordsFlo is a women's health app offering personalized cycle tracking, fertility guidance, pregnancy support, and health education backed by a medical team. The app serves women and people with periods globally with science-based insights on hormonal health from first period to perimenopause.
Clue14830 shared keywordsClue is a menstrual and reproductive health app that lets people track their periods, cycle, ovulation, fertility, and related symptoms, and contributes anonymized data to scientific research with institutions such as Johns Hopkins and the Gates Foundation. The company offers a paid Clue Plus subscription and serves over 12 million users worldwide.
Natural Cycles11964 shared keywordsNatural Cycles offers an FDA-cleared mobile app that uses a user's body temperature data and an algorithm to predict fertile windows for hormone-free birth control and pregnancy planning. The app supports women's health across life stages from contraception through perimenopause and is certified in over 35 countries.
Ubie6026 shared keywordsUbie provides a free AI-powered symptom checker that generates a personalized report on possible causes of a user's symptoms and guidance on when to see a doctor, based on a short questionnaire developed with doctors. The consumer-facing digital health service operates in Japan, the United States, and other countries.
Companies competing with Samphire Neuroscience for the same Google search keywords, organic and paid, via search-intersection analysis.
In the news
Frequently asked questions
- What does Samphire Neuroscience do?
- Samphire Neuro makes the Nettle Headband, a medical-grade wearable that uses neurostimulation to manage mood and chronic pain symptoms linked to hormonal changes across the menstrual cycle. Its patented CycleSync technology maps cycle phases and symptom history to build a personalized treatment protocol.
- Who founded Samphire Neuroscience?
- Samphire Neuroscience was founded by Emilė Radytė in 2021.
- Who are Samphire Neuroscience's investors?
- Samphire Neuroscience's investors include AfterWork Ventures, Alberts Impact Ventures, Angel Academe, CVX Ventures, Firstpick, Fortify Ventures, Inventure, Seaside Ventures and 2 more.
- How much funding has Samphire Neuroscience raised?
- Samphire Neuroscience has disclosed $2.3M raised across 1 of its 2 known rounds.