Progesterone Capsule

In a three-year randomized trial, women taking estrogen alone developed endometrial hyperplasia at a substantially higher rate than those taking estrogen combined with progesterone.

  • Prescription
  • Hormone therapy

Progesterone Capsule

Micronized Progesterone Capsule

$59/mo*

Duration
Strength

The second half of hormone therapy. If you take estrogen and still have a uterus, progesterone protects the uterine lining — and many women find it helps them sleep.

Supports
Endometrial protection with estrogenSleepCycle support
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HSA/FSA reimbursable

HSA/FSA reimbursable

No Membership Required

No Membership Required

Licensed US Pharmacies

Licensed US Pharmacies

Prescription hormone therapy. Carries important risks; prescribed after a medical evaluation at provider discretion.

Fast, discreet shipping

Unlimited follow-up with licensed physicians

In a three-year randomized trial, women taking estrogen alone developed endometrial hyperplasia at a substantially higher rate than those taking estrogen combined with progesterone.

WHY PROGESTERONE

Estrogen builds the lining. Progesterone keeps it in check.

Required for anyone with an intact uterus

The Writing Group for the PEPI Trial, JAMA (1996)

With treatment Without treatment
Trial data in postmenopausal women. Illustrates why a progestogen is required alongside systemic estrogen.

HOW PROGESTERONE WORKS

The counterweight to estrogen.

Glucose control.

Progesterone is the hormone produced after ovulation in a natural cycle. Its main role in hormone therapy is to oppose estrogen's stimulating effect on the uterine lining. Its metabolites also act on GABA receptors in the brain, which is why it is taken at night.

Protects the uterine lining

Progesterone limits the endometrial proliferation that estrogen drives, which is why it is required for anyone with an intact uterus on systemic estrogen.

Bioidentical structure

Micronized progesterone is the same molecule the ovaries produce, as distinct from synthetic progestins.

Taken at bedtime

Progesterone metabolites act on GABA receptors and are sedating. Nighttime dosing turns that into an advantage rather than a side effect.

Sometimes used on its own

Progesterone is occasionally prescribed alone during perimenopause for cycle-related symptoms, at a provider's discretion.

HOW PEPTRA WORKS

From intake to your door in three to seven days

Prescription medicine from board-certified physicians, shipped to your door.

Medical intake

Step 1

Medical intake

Answer a guided set of questions covering your medical history, current medications, goals, and treatment preferences.

A few minutes
Doctor review

Step 2

Doctor review

A U.S.-licensed, board-certified physician reviews your intake and recommends a medication, if appropriate.*

Within 72 hours
Fast shipping

Step 3

Fast shipping

Approved medications ship directly to your door in discreet packaging.

2-5 business days
Unlimited messaging

Step 4

Unlimited messaging

Your doctor is available via chat any time for additional support. Video consults available.

Up to 12 months

Prescription medicine from board-certified physicians, shipped to your door.

*Some states may require a synchronous audio and/or video consultation prior to a prescription being approved.

WHY PEPTRA MEDICINE

Precision medicine protocols to support longevity

  • Proactive care

    Doctor-led treatment plans designed around your goals. No wait lists. No insurance required.

  • Transparent pricing

    No membership fees, no hidden costs. You pay only after a doctor prescribes treatment.

  • Board-certified doctors

    Access to specialist physicians, licensed in your state. Unlimited messaging for up to 12 months.

  • Curated by longevity experts

    Every protocol is built by medical experts, based on longevity research from Our founder's science team.

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COMMON QUESTIONS

Questions, answered

Who needs to take progesterone with estrogen?

Women who have an intact uterus and are taking systemic estrogen should also take progesterone to protect the uterine lining. Women without a uterus typically do not need progesterone for this reason, though some take it for its sleep and calming benefits.

What is micronized progesterone?

Micronized progesterone (brand name Prometrium) is bioidentical progesterone processed to improve absorption. It is considered closer to the body's natural hormone than synthetic progestins.

Can progesterone help with sleep?

Yes. Progesterone metabolites interact with GABA receptors in the brain, producing mild sedative effects. It is often taken at bedtime for this reason, as a secondary benefit alongside its role in endometrial protection.

Disclaimer: This page is intended for educational purposes only and is not intended to provide medical advice, diagnosis or treatment. Medication eligibility and prescriptions are determined solely by licensed medical providers based on clinical appropriateness. Not all individuals will qualify for medication-based treatment. Always consult a licensed healthcare professional before beginning any wellness program.