25k+ customers

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4.9 on Google

A sperm test for a healthier you.

Improve your whole-body wellness through your sperm. From home.

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Featured in:

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logo_New York Times
logo_Forbes
logo_The Boston Globe
logo_Tech Crunch
logo_The Wall Street Journal
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Your sperm has a lot to say.

Sperm quality isn’t just a measure of fertility. It’s a biomarker for your overall health, including your risk of illness in the future.

"Infertility is a warning: Problems with reproduction may mean problems with overall health."

Dr. Michael Eisenberg

The Huberman Lab podcast

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Studies of over

1.5 million people

have found strong connections between sperm quality and risk of disease.

Sperm quality is closely correlated with your chance for infertility, heart disease, testicular cancer, leukemia, and other illnesses.

medical conditions in infertile men: analysis of United States claims data.” Fertility & Sterility, 2016.

Data that can change your future.

Data that can change your future.

Order your at-home kit now.

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100% from home

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Results in 48 hours

Military-grade protection

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100% from home

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Results in 48 hours

Military-grade protection

House icon

100% from home

clock-icon

Results in 48 hours

House icon

100% from home

clock-icon

Results in 48 hours

Military-grade protection

House icon

100% from home

clock-icon

Results in 48 hours

Military-grade protection

House icon

100% from home

clock-icon

Results in 48 hours

Military-grade protection

House icon

100% from home

clock-icon

Results in 48 hours

Military-grade protection

House icon

100% from home

Order your at-home kit now.

House icon

100% from home

clock-icon

Results in 48 hours

Military-grade protection

Legacy Standard Semen Analysis test kit with smartphone result screen

Semen Analysis

$295

Future health outcomes predictions

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Lifestyle report
card

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Personalized action plan

Google stars

“I found out I am at an increased risk of developing testicular cancer because of my sperm quality. Now that I know, I can do something about it.”

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Jake P.

Grad student

Google stars

“The process is easy and the kit is simple to use. Results came rather quickly. Totally cool, lots of info about my sperm. I like the fact that they have an online dashboard for the results.”

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Esteban R.

Personal trainer

Google stars

“My sperm results said I was at risk for diabetes... A literal week later I asked my doctor to do a blood test for pre-diabetes and it was elevated. I wouldn’t have known if I had never taken this test.”

Michael W.

Entrepreneur

Trusted by leading experts in men’s health.

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Dr. Michael Eisenberg

MD, urologist, male fertility specialist, male sexual function specialist

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Dr. David J. Shulkin

MD, former secretary, US Department of Veterans Affairs

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Dr. Paul Turek

Leading expert, men’s sexual health and reproductive urology; The Turek Clinic

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Dr. Ramy Abou Ghayda

MD, MPH, urologist and men’s health advocate at University Hospitals

How to freeze your sperm with Legacy

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Easy (and even enjoyable).

1

Order your kit

2

Produce your semen sample at home and ship it back same-day

3

We’ll analyze your sample, and you’ll get results within 48 hours

4

Take action to improve your health

You’re one of a kind.

So is our test.

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Safe travels

Our kit includes a clinically tested, FDA-approved transport media. It stabilizes pH, prevents bacterial growth, and maintains sperm health during overnight shipping.

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The most scientifically advanced at-home sperm test

Legacy’s at-home test looks at seven key metrics of sperm health to give you in-depth insights into your overall health and areas for improvement.

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Clinic-grade testing from home

Legacy’s mail-in kit has been clinically tested and validated. Results are highly correlated to the results you’d get from a traditional one-hour analysis.

Test tube and DNA

For your use only

Your sample's unique identifier is double-checked at every step. At Legacy, your sperm is tested or stored for you and you alone — never donated, sold, or experimented with.

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Results anyone can understand

Your digital dashboard gives you clear results and actionable tips: sperm metrics, potential health risks, recommended lifestyle changes.

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