TopicsHormones and women's health
Progesterone
For hormone replacement therapy
The experts we follow agree on this.
Progesterone can support calm and sleep, but should be used with guidance and proper testing.
Who is behind it
Voices including a nutritional sciences PhD, a board-certified cardiologist and a Harvard-trained gynecologist.
How strong the research is
Mostly expert experience so far, with published research still catching up.
In their words
“there's a reason why you only want progesterone the last two weeks of the month... if you're giving a woman progesterone all month long... they're not getting any of those benefits.”
a registered holistic nutritionist
Progesterone is a hormone and should not be taken without checking levels first
Progesterone alone does not increase clotting factors unlike methoxy progesterone acetate which is much more potent and associated with cardiovascular risks.
Progesterone supplementation in early pregnancy can reduce miscarriage risk and improve child outcomes.
Progesterone and estrogen are the appropriate treatment path for sleep disruption in menopause rather than sedatives.
With care
Some of the minds attach conditions. These are worth reading before you begin.
May be safe if dosed appropriately under medical supervision.
Where they disagree
Both sides
For
Progesterone is a hormone and should not be taken without checking levels first
a nutritional sciences PhDAgainst
Hormones affect many pathways and supplementing without supervision can cause unintended effects.
a certified nutrition specialistMost of the minds come down in favour, and the dissent is worth knowing.
Talk it through
Entrain shows what the experts teach, so you can make better decisions with your own clinician. It does not diagnose or prescribe. If something is worrying you, start there.
How this reading was made
Every line here comes from a doctor, scientist or coach speaking publicly, and links to the moment they said it. Entrain listens for where independent experts arrive at the same place on their own, and shows where they part ways. Mostly expert experience so far, with published research still catching up.
None of the statements here come with a declared commercial interest. Last refreshed 4 September 2026.
Nearby ideas in hormones
- Cycle trackingThe experts agree
- Hormone panel testingThe experts agree
- Symptom trackingThe experts agree
- Hormone testingThe experts agree
- Thyroid hormone treatmentThe experts agree
- AcupunctureThe experts agree
- Anti-inflammatory dietThe experts agree
- Genetic testingThe experts agree
Keep exploring hormones and women's health
The experts agree
Paleo diet
A paleo diet can increase nutrient density and support reproductive and overall health for many people.
Most recommend it
DUTCH hormone test
Use the DUTCH test to get a detailed view of hormone activity beyond blood tests, aiding symptom understanding and safe hormone therapy.
Most recommend it
Full thyroid panel
Use comprehensive thyroid testing beyond TSH to better assess thyroid health and related risks.
Most recommend it
Bioidentical hormone replacement therapy
Bioidentical hormone therapy is generally favoured for easing menopause and hormone loss.
Most recommend it
Functional medicine
Functional medicine focuses on root causes and whole-person healing.
Most recommend it
Low-dose naltrexone
Low-dose naltrexone may help regulate immune responses in chronic inflammation with professional guidance.