Targeted Single-Marker Tests
Progesterone Test
Also known as: Progesterone (Pg)
The calming, cycle-regulating hormone — often low with stress.
Progesterone is calming and helps regulate your cycle. It is often low with stress and is linked to irritability, poor sleep, brain fog, and irregular cycles.
What it measures
What's measured
- Progesterone (Pg)Supports calm, sleep, and a regular cycle.
Who this is for
For women whose sleep, mood, or cycle seems to suffer under stress.
- Irritability
- Poor sleep
- Brain fog
- Irregular cycles
- PMS
Two ways to get the Progesterone Test
Lab Only
Available to program members — ordered and reviewed by Tiffeny.
Personalized with Tiffeny
RecommendedWant your results personally reviewed?
- One-on-one interpretation of your results
- Written Root Cause Report
- Personalized 12-week protocol
✦ Members receive exclusive pricing on multi-lab orders. See member perks →
Labs are processed by a CLIA-certified laboratory partner. To protect your privacy, I can only see your results if you add Tiffeny Parker as your practitioner.
What results can reveal
- Low progesterone
- A possible link between stress and cycle symptoms
How we interpret it
We read every panel through a functional lens — optimal reference ranges, ratios, and cross-panel patterns. Results become part of your written Root Cause Report and your personalized 12-week protocol.
Magnesium and vitamin B6 support healthy progesterone, so we pair these results with your HTMA.
Often paired with
Common questions
Not sure which panels you need?
Start with the Root-Cause Fit Assessment. Takes about 3–5 minutes. If it looks like we're a good fit, you'll be invited to schedule a 45-minute consultation to discuss your health history, goals, and whether this program is the right next step for you.
Educational information only. Functional lab testing is not intended to diagnose, treat, cure, or prevent any disease. Results are reviewed in the context of your full health history.