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Level Zero Health

Wearable biosensor for continuous hormone monitoring

Overview

Level Zero Health develops a biosensor platform for remote, continuous hormone monitoring using a minimally invasive arm patch. The patch uses DNA-based biosensors and microneedles to measure hormones like progesterone, estrogen, cortisol, and testosterone in interstitial fluid and sends real-time data to a connected system. It differentiates itself by delivering continuous wearable hormone data with validated accuracy and by targeting B2B clinical workflows in IVF, menopause care, and TRT, with plans to pursue regulatory approvals. Its goal is to replace infrequent blood or urine tests with continuous data streams to support personalized care and later expand into consumer and pharmaceutical markets.

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About Level Zero Health

Simplify's Rating
Why Level Zero Health is rated
C+
Rated C on Competitive Edge
Rated B on Growth Potential
Rated C on Differentiation

Industries

Data & AnalyticsBiotechnologyHealthcare

Company Size

11-50

Company Stage

Seed

Total Funding

$6.9M

Headquarters

London, United Kingdom

Founded

2023

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Simplify's take

What believers are saying

  • Major IVF clinics signed $3 million in letters of intent, validating near-term demand.
  • July 2026 SPRIND selection adds non-dilutive capital and German credibility for development.
  • February 2025's $6.9 million pre-seed from Redalpine, HAX, and EF funds runway.

What critics are saying

  • FDA and CE clearance still gate 2026 revenue; pre-seed cash cannot fund long approvals.
  • No public human data yet; simulated 98% accuracy will face brutal clinical validation.
  • Clair Health's $11.6 million June 2026 round intensifies competition in noninvasive hormone monitoring.

What makes Level Zero Health unique

  • DNA-based microneedle patches measure progesterone, estrogen, cortisol, and testosterone continuously.
  • Level Zero Health targets IVF clinics first, not consumers, with treatment-linked hormone data.
  • Founders combine Palantir product execution, Philips sensor engineering, and hard-tech medical-device experience.

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Funding

Total Funding

$6.9M

Above

Industry Average

Funded Over

1 Rounds

Seed funding is usually the first official round after pre-seed, when a startup has a prototype or concept. It’s typically used to develop the product, test the market, and start building the team. Investors here are often angel investors or early-stage venture capitalists.
Seed Funding Comparison
Above Average

Industry standards

$3.3M
$2M
$2.3M
$3M
$6.9M

Benefits

  • Company Equity

Growth & Insights and Company News

6 month growth

33%

1 year growth

26%

2 year growth

50%
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Jun 4th, 2025
Code Meets Care: 20 European Healthtech Startups To Watch In 2025 And Beyond

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BusinessLive
Feb 18th, 2025
Level Zero Health raises $6.9M pre-seed

UK-based healthtech start-up Level Zero Health has raised $6.9 million (£5.5 million) in pre-seed funding, marking the largest amount ever secured by female founders in Europe. Led by Redalpine, the investment will support the development of a pioneering remote hormone monitoring device. Founded by Ula Rustamova and Irene Jia, the company aims to revolutionize hormone tracking with a non-invasive wearable patch. The funding will advance R&D and expand the team, with plans to enter consumer health markets.

EU-Startups
Feb 18th, 2025
Level Zero Health lands €6.6 million for "world's first" continuous hormone monitoring device

London-based HealthTech startup Level Zero Health today announced a €6.6 million pre-Seed funding round to enable remote and continuous hormone monitoring, using unique DNA-based sensors.

TechCrunch
Feb 18th, 2025
Level Zero Health banks $6.9M to prove wearable medtech can take the strain out of hormone testing | TechCrunch

Level Zero Health, a female-founded medical device startup that's aiming to break new ground by developing a device for continuous hormone monitoring, has

Brown Brothers Media
Feb 18th, 2025
UK and US-based Level Zero Health raises €6.63M to develop the first remote hormone monitoring device

UK and us-based Level Zero Health raises €6.63M to develop the first remote hormone monitoring device.

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