By She Makes Her Radar | Healthcare Women, Medical Women Tuesday, February 18, 2025

Level Zero Health: Revolutionising Hormone Monitoring with Real-Time Biosensors

UK & USA heath tech business secure a record-breaking £5.5M pre-seed funding round, the largest ever secured by female founders in Europe.

Photo Credit: Kateryna Hliznitsova

Founders & Mission
Level Zero Health (LZH), co-founded by Ula Rustamova (CEO) and Irene Jia (CTO), is pioneering continuous hormone monitoring through its DNA-based biosensor platform. The company aims to replace outdated, infrequent blood tests with real-time, non-invasive tracking, addressing critical gaps in IVF treatments, testosterone deficiency, and broader hormone-related healthcare.

Breakthrough Technology
LZH’s biosensors, using interstitial fluid, provide continuous and highly accurate hormone tracking (98% clinical accuracy), surpassing existing urine- and blood-based methods. This marks a significant advancement in personalised health diagnostics.

Market Impact & Early Success

  • IVF market ($25.3B in 2023) could benefit from reduced reliance on frequent blood tests.
  • Testosterone deficiency (affecting 10-40% of men) could see improved patient management.
  • Broader continuous biosensing market projected to exceed $20.2B by 2032.
  • LZH has secured $3M in Letters of Intent (LOIs) from IVF clinics and filed a patent in 2024.

Funding & Future Plans
LZH recently raised £5.5M ($6.9M) in pre-seed funding, led by Redalpine. The funds will support FDA & CE-mark approvals, expand R&D, and scale hiring in the UK and US, paving the way for commercialisation.

Redalpine’s Philip Kneis highlighted LZH’s potential: “Continuous hormone measurement is one of the holy grails of diagnostics… paving the way for a new era of personalised health management.”

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