Your hormones move. Your lab test doesn’t.

Qyn is building an at-home device that measures hormone levels from a small drop of blood, helping you see how they change over time — not just in a single lab visit.

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Connect what you take, what's measured, and how you feel.

Blood is already how clinicians measure many of your hormones. Now, Qyn brings that measurement home. It connects your hormone levels with your dose, how you feel, and the data you already track, from sleep and HRV to activity, recovery, and more.

Instead of seeing each piece on its own, Qyn brings it all together in one place so you can spot connections over time and share a clearer picture with your clinician.

No new ring. No new watch. Just a deeper view of your data. 

how it works

Step 1

Collect a small blood sample at home

Step 2

Qyn measures your hormone level

Step 3

See your readings build into a pattern in the app.

Same woman. Different days. Different hormone levels.

One lab draw can tell you what was true that day. Repeat measurements can show what changed before, what happens next, and what’s normal for you.

A woman waving during a video call outdoors

estradiol

pg/mL

MAR

estradiol

pg/mL

SEP

Woman sitting in bed using her smartphone

estradiol

pg/mL

NOV

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Be on the inside from the beginning.

Qynsider is our free insider community for people who want to follow what we’re building before launch.

Be first to hear when product access opens.

Get founding-member offers and benefits.

Get invited to select beta opportunities.

Get the Qyn Journal’s best science and stories first.

Join the Waitlist

Free to join. No purchase required.

Be on the inside from the beginning.

Qynsider is our free insider community for people who want to follow what we’re building before launch.

Be first to hear when Qyn launches.

Get founding-member offers and benefits.

Get invited to select beta opportunities.

Get the Qyn Journal’s best science and stories first.

Join the Waitlist

Free to join. No purchase required.

Built alongside clinicians who work in hormone health every day.

Natalie Maibenko

Certified Functional Medicine Practitioner

Dr. Tara Iyer

Medical Director / Menopause and Midlife, Brigham and Women’s Hospital, MGB

Haryanto Hokiano

CDO, Boston IVF

Dr. Geo Espinosa

Men’s health & urology. Clinical lead, testosterone track

Dr. Meredith Thomas

Hormone specialist. Pilot study co-design lead, Beth Israel Lahey Health

Frequently asked questions

What exactly is Qyn?

Qyn is an at-home hormone measurement system in development. The device is designed to measure hormone levels from a small blood sample, while the app helps you see how those readings change over time and relate to symptoms, therapy, and health metrics you already track.

How do I measure my hormones at home?

Qyn is being designed around a small at-home blood sample. The final collection experience is still being developed and validated, so we’re intentionally not locking the public story to one collection method yet.

How is Qyn different from a standard hormone test?

Standard labs are valuable, but they usually capture one moment. Qyn is being built for repeat measurements, adding context between isolated tests and helping reveal your personal pattern over time.

Can Qyn work with the wearable data I already track?

Qyn is designed to bring hormone readings alongside signals such as sleep, HRV, activity, and recovery. Currently, the Qyn appintegrates with Whoop and Oura data, and other specific integrations will be announced as they become available.

Is Qyn continuous?

Not today. Qyn is being built around repeat blood-based measurements over time. Longer term, we’re exploring ways to make hormone insight increasingly continuous, but our focus now is making better hormone information useful today.

Is Qyn only for women?

No. Qyn is starting where the hormone-data gap is especially clear, including women navigating midlife and hormone therapy. The platform is being designed with broader hormone health — including men’s health — in mind.

Which hormones will Qyn measure?

Qyn is beginning with estradiol and is being designed as a multi-hormone platform.

When will Qyn be available?

Qyn is still in development and validation. Qynsiders will be the first to hear about launch timing and early access opportunities.

Meet Qyn

Qyn is building a new way to understand hormones through blood-based measurement, meaningful patterns, and better context over time — helping people see what’s changing in their bodies and make more informed decisions about their health.

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These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

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