Optimal Ranges
What is the optimal range for Oestradiol?
Clinical (NHS) Range
Cycle-dependent in women, 41-159 pmol/L in men
pmol/L
Performance-Optimised Range
Mid-cycle peak 500-1500 pmol/L (women); 70-150 pmol/L (men)
pmol/L
| Range | Value | Unit |
|---|---|---|
| Clinical (NHS) reference range | Cycle-dependent in women, 41-159 pmol/L in men | pmol/L |
| Performance-optimised range | Mid-cycle peak 500-1500 pmol/L (women); 70-150 pmol/L (men) | pmol/L |
The clinical range defines what is considered medically “normal” — broad enough to cover 95% of the population. The performance range reflects where research and clinical experience suggest most people feel and function at their best. A result in either range suggests typical status and is not a diagnosis; any individual reading should be interpreted by a qualified clinician.
Why It Matters
Why Oestradiol matters for performance
For women, oestradiol levels orchestrate the menstrual cycle and decline through perimenopause, driving symptoms like hot flushes, night sweats, mood changes, and bone loss. Tracking it alongside FSH and progesterone reveals where you sit in the perimenopausal transition. For men, the right oestradiol range is protective — too low is associated with low libido and joint pain, too high (often driven by visceral fat) with gynaecomastia, water retention, and reduced testosterone availability.
Symptoms
What are the symptoms of low or high Oestradiol?
Low / Deficiency
- Hot flushes and night sweats (women in perimenopause)
- Vaginal dryness and reduced libido
- Brain fog and mood changes
- Joint aches and stiff mornings
- Increased bone loss (long-term consequence)
- Low libido and joint pain (men)
High / Excess
- Bloating and breast tenderness
- Mood swings and irritability
- Heavy or painful periods
- Headaches around ovulation
- Water retention and weight gain in hips and thighs
- Gynaecomastia and reduced morning erections (men)
Dietary Sources
Which foods support Oestradiol levels?
Supplementation
How do you improve Oestradiol levels?
Do not supplement oestradiol directly. Address the regulatory inputs: body fat (particularly visceral, which is the main aromatase site), gut health (oestrogen recirculation), liver methylation (B6, B12, folate), and alcohol load. In perimenopause, HRT decisions belong to a GP — Helvy results provide the diagnostic context, not a prescription. Indole-3-carbinol (200-400 mg) and calcium-d-glucarate (500-1500 mg) are evidence-based options for oestrogen-metabolism support.
Testing
How is Oestradiol tested in the UK?
Oestradiol is measured from a blood sample. With Helvy, that means a finger-prick kit taken at home and posted to a UKAS-accredited UK laboratory, with results in around 5 days, reviewed by a qualified clinician. Your result is reported against both the clinical range (Cycle-dependent in women, 41-159 pmol/L in men) and the performance-optimal range (Mid-cycle peak 500-1500 pmol/L (women); 70-150 pmol/L (men)), so you can see not just whether you are “normal” but whether you are optimal. If you make a change, retest after 8-12 weeks to confirm it worked.
Research
Key study
Menopause and the postmenopausal woman: Cardiovascular and other concerns
Davis SR, Lambrinoudaki I, Lumsden M, et al.
Nature Reviews Endocrinology (2015)
DOI: 10.1038/nrdp.2015.4Related Biomarkers
Related Guides
Explore Oestradiol in depth
Test your Oestradiol levels
Oestradiol is included in the Helvy 50+ biomarker panel. Get your results in 5 days with a personalised protocol.
Order Your TestThis content is for educational purposes only and does not constitute medical advice. Your data suggests areas for optimisation, but any concerns should be discussed with a qualified healthcare professional. If your results flag values outside safe ranges, we recommend consulting your GP.