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Balanced Hormones
Backed by Science

Transform your health with clinically-studied formulations.

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Fix the Gut-Hormone
Connection

Happier hormones means better regularity and less bloating.

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It's Not Just
Hot Flashes

Support your whole body and mind as your hormones change. From your hair thickness to your heart health.

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Better Periods
Are Possible

The protocol for easy periods, better moods and calmer cycles.

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Born from One Story.
Built for Every Woman.

What began with period pain became a mission to restore balance at the root.

Our Story

Signs that
your hormones
are out of sync.

Our modern lifestyles make it easy to throw our hormones out of balance. We created Semaine so you can feel more like yourself no matter what life throws at you.

Clinical Trials
A woman

What does Semaine mean?

Semaine is French for "week". It acknowledges that our hormones change daily, weekly, monthly and throughout our lives.

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We Made This Because We Need It

We built the solutions that we couldn't find, that we believe every woman deserves.

About Us

Join 10,000+ Happy Customers

Advised by a Dedicated Medical Advisory Board

We partner with respected medical experts in gynecology, urology, and beyond who help shape our commitment to rigorous science and accessible, evidence-based education for women.

  • Dr. Michael Lewis

    Dr. Michael Lewis

    OBGYN

  • Dr. Barbara Chubak

    Dr. Barbara Chubak

    Urologist

  • Dr. Jackie Crowell

    Dr. Jackie Crowell

    PT, DPT

Clinical Trials

Semaine's final formulations are clinically studied by a third-party independent lab. You never have to guess if there's true science behind your supplements.

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Your Health,
Personalized

Discover the supplement routine that helps you feel your best.

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Semaine product collection

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