Woman using the eSigns saliva collector

eSigns

A LAB IN YOUR POCKET

Know yourself from the insight out.

Get personalized Cortisol insights from home and take control of your wellness journey.

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Test at Home

Sample saliva with our microfluidic sensor and monitor your hormone health on your smartphone, anytime, anywhere.

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Results in Minutes

Access your hormone levels instantly – no more waiting time for lab results.

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Track Over Time

An easy-to-use app that helps you track hormone trends to better understand your own body and optimize your physiology.

65%

Of elite athletes suffer from Overtraining Syndrome (OTS) due to hormonal blindness.

1/8

1 in 8 people globally live with
mental health issues.

91%

Of adults reported experiencing high or extreme levels of stress in the past year.

Understand the body you are in today.

eSigns turns hormone measurements into insight you can actually use. Instead of isolated results, it helps you understand how your body responds to stress, training, recovery, and everyday life over time.

By capturing hormone data across the day, eSigns reveals patterns and trends that make it easier to understand what’s normal for you.

  • See patterns, not just numbers.

    View how your hormone levels rise and fall throughout the day and track how those patterns evolve week by week.

  • Connect daily habits to real changes.

    Compare your data over time to see how sleep, training, or routine shifts affect your body’s response.

  • Establish what’s normal for you.

    Build a personal baseline that helps you quickly recognize meaningful changes instead of guessing.

  • Use lab-grade insight in everyday life.

    Review reliable hormone data whenever you need it – designed for frequent use, not one-time testing.

Hourglass Hourglass Learn More About The Science Behind

The Role of Cortisol in Everyday Health

Cortisol plays a central role in how your body responds to stress, recovery, and performance. It influences sleep, metabolism, mood, immunity, and fertility – shaping how you feel and adapt over time.

Because cortisol rises and falls throughout the day, consistent measurement is the only way to understand meaningful patterns rather than isolated numbers. What matters most isn’t one value, but the rhythm behind it.

  • Sleep & Recovery

  • Mood & Mental Health

  • Energy & Metabolism

  • Immune Function

  • Fertility & Hormonal Balance

  • Performance & Adaptation

How it works: Understand your hormones – day by day.

Proprietary Technology - Patent Pending

01 – Collect

Use the saliva collection kit for a quick, non-invasive sample – no needles, no blood, no hassle.

Future-ready for the detection of multiple hormones and biomarkers

02 – Scan

Place the sample into the smart reader and set it on a flat surface. In less than 20 minutes, scan with your phone to view your cortisol levels and trends.

03 – Insights

Use the eSigns app or API to get personalized Cortisol insights and recommendations tailored to your unique biology.

Interested in Partnering With eSigns?

Scale your innovation and integrate our clinical-grade cortisol measurement into your ecosystem. Our scalable API engine delivers actionable stress insights directly to your users.

 

Why Integrate eSigns?

  • High-Margin Efficiency: Add premium metrics with zero overhead.
  • Seamless Integration: Plug-and-play for apps and dashboards.
  • Actionable Data: Turn raw cortisol into personalized recovery plans.

Who We Partner With

  • Wearables & Fitness: Close the loop on activity and stress.
  • Insurance & Wellness: Drive preventative health with objective data.
  • Elite Teams: Monitor readiness for sports and military.
Contact Us
Pink Apple Watch on the hand showing the eSigns app with Cortisol curve on display

Everyday Technology, Backed by Science.

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Trusted by Industry & Research Partners