Cortisol Blood Test - Compare Testing Options
Compare cortisol blood test providers and find the right option for measuring your stress hormone levels.
Understanding Cortisol Testing
Cortisol is often called the stress hormone because it helps your body respond to stress. It also:
- Regulates blood pressure
- Controls blood sugar levels
- Influences immune system function
- Affects metabolism and inflammation
Abnormal cortisol levels can indicate conditions like Cushing's syndrome or Addison's disease.
Popular Blood Test Providers
| Provider | Basic Health Check ↑ | Turnaround Time | Collection Method | Additional Info |
|---|---|---|---|---|
| Thriva | £39.00 | 3 working days | Home kit | Subscription available |
| Medichecks | £49.00 | 3 working days | Home kit or Clinic | NHS-approved laboratories |
| London Medical Laboratory | £69.00 | 2 working days | Clinic | Multiple London locations |
| Randox Health | £79.00 | 2 working days | Clinic | Comprehensive health packages |
Thriva£39.00
Turnaround Time:
3 working days
Collection Method:
Home kit
Additional Info:
Subscription available
Medichecks£49.00
Turnaround Time:
3 working days
Collection Method:
Home kit or Clinic
Additional Info:
NHS-approved laboratories
Turnaround Time:
2 working days
Collection Method:
Clinic
Additional Info:
Multiple London locations
Randox Health£79.00
Turnaround Time:
2 working days
Collection Method:
Clinic
Additional Info:
Comprehensive health packages
Important Testing Information
Test Timing
1
Morning Test:Cortisol levels are highest in the morning, typically peaking around 8 AM. Morning samples provide the most reliable baseline measurement.
2
Evening Test:Evening cortisol measurements help assess your daily rhythm. Levels should naturally decrease throughout the day.
3
Multiple Samples:Some conditions require multiple samples throughout the day to track your cortisol pattern.
When to Consider Testing
Consider getting your cortisol levels tested if you experience:
- Fatigue and weakness
- Weight changes
- Mood changes or depression
- Blood pressure changes
- Blood sugar fluctuations
Understanding Your Results
Cortisol results should be interpreted by a healthcare professional, as levels can vary based on:
- Time of day when the sample was taken
- Recent physical or emotional stress
- Medications you are taking
- Your overall health condition