Cortisol blood test kit packaging with London Health Company branding on a white background
Medical report detailing cortisol level results with text and numbers.
cortisol home test kit components

Cortisol Stress Hormone Blood Test Kit

£29.00
£29.00 £34.00
Tax included.
When cortisol is out of balance, it can lead to various symptoms including fatigue, anxiety and slow recovery. Whether you are curious about cortisol, cortisol detox or looking to lower cortisol levels, this kit can help give insights.
1 Biomarker
Turnaround Time
FAQs
Test Preparation
Symptom Check
Result Report
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Biomarkers

  1. Cortisol

Frequently Asked Questions

QUESTION ANSWER
QHow do I test my cortisol levels at home?
ATesting your cortisol levels at home is simple with our comprehensive kit. Everything you need is delivered to your door. You will use a quick, minimally invasive finger-prick lancet to collect a small blood sample into the provided collection tube. Once collected, simply secure the tube, place it in the prepaid return envelope, and drop it in a priority postbox.
QWhen is the best time to take a cortisol blood test?
ACortisol levels naturally fluctuate and follow a diurnal rhythm, meaning they peak in the early morning and gradually decline throughout the day. To get the most accurate and clinically relevant baseline of your adrenal function, you must take this test before 10:00 AM, ideally shortly after waking up.
QAre at-home cortisol tests accurate?
AYes. While you collect the sample at home, the analysis is performed in exactly the same way as a sample taken in a hospital. Your blood is processed in our CQC-regulated UK laboratory using state-of-the-art diagnostic equipment to ensure clinical-grade accuracy.

Turnaround Time

Turnaround Time

Once your sample is collected and posted, it is processed in our laboratory with a typical turnaround time of 1-3 days from the moment the lab receives the kit.

Test Preparation

  • Cortisol

    Cortisol levels follow a natural daily cycle, peaking in the early morning (around 6–8 AM) and gradually declining throughout the day. Because of this pattern, the timing of your cortisol test is important. For the most accurate results, take your sample between 6 AM and 10 AM. If you have an irregular sleep schedule, your results may be less reliable. If you need to test, do so within two hours of waking and include this detail on the lab request slip. You should also stop taking biotin supplements at least 72 hours before your test unless advised otherwise.

    Please note that following the instructions step by step is crucial, as not following them may lead to sample rejection.

Symptom Check

  • Stress

  • Fatigue and Low Energy

    Persistent tiredness that does not improve with rest is one of the most common signs of nutrient deficiency. Low ferritin reduces the body's ability to transport oxygen efficiently, leaving you feeling drained and breathless even with minimal exertion. Low B12 and folate impair red blood cell production, compounding this effect and contributing to weakness and poor stamina. Vitamin D deficiency is also strongly associated with fatigue, muscle weakness, and a general sense of heaviness that can be difficult to attribute to any single cause. If you are experiencing unexplained and persistent tiredness, nutrient levels are one of the first things worth investigating.

  • Mood Changing

Result Report

  • Result Report (in-use)

    The final report provides a comprehensive breakdown of your biomarkers, displaying your specific levels alongside standard UK reference ranges to show exactly where you fall on the spectrum. Beyond just the raw numbers, the report includes a brief commentary.
    Result Report (in-use)
    Result Report (in-use)
    View your results in a clear, easy-to-understand format with charts and reference ranges. If you repeat the same biomarkers with us, your report includes historical comparisons to help track changes, trends, and progress over time.

Private Cortisol Blood Test Kit UK | At-Home Stress Hormone Test

Whether you are dealing with a demanding lifestyle, struggling with unexplained fatigue, or finding it difficult to sleep, your stress hormones play a critical role in your daily health. Cortisol is the primary hormone produced by your adrenal glands in response to physical and emotional stress. While essential for life, chronically high or abnormally low levels can lead to burnout, weight gain, anxiety, and severe exhaustion.

Our Cortisol Blood Test Kit provides clear, clinical-grade data on exactly how your adrenal glands are functioning. Instead of guessing how stress is impacting your body, this simple at-home cortisol test gives you a definitive, doctor-reviewed baseline. It is highly recommended for professionals facing high-pressure environments, fitness enthusiasts experiencing overtraining syndrome, or anyone looking to proactively monitor their adrenal health in the UK.

Why Choose Our Private At-Home Cortisol Test?

Clinical Accuracy: Analyzed directly in our CQC-regulated UK laboratory to guarantee the highest standards of accuracy and data privacy.

Fast Digital Results: Receive your precise cortisol levels within 2 to 3 working days on a secure online dashboard.

Clear Insights: Includes clear visual reference ranges and medical feedback to help you understand your results.

Convenient & Safe: Quick finger-prick blood collection kit delivered directly to your door with a prepaid return envelope.

How to Test Cortisol Levels at Home (Step-by-Step)

  1. Order Your Test Kit: Receive your private cortisol test kit at home with discreet delivery.
  2. Collect Your Sample: Take a simple finger-prick blood sample early in the morning (between 8:00 AM – 9:00 AM) when cortisol naturally peaks.
  3. Post to Our UK Lab: Mail your sample back using the prepaid envelope provided.
  4. Review Your Results: Access your doctor-backed health insights online via your secure portal.

Frequently Asked Questions

What is cortisol and why is it important?

Cortisol is the primary hormone produced by your adrenal glands, often called the body's main "stress hormone." It plays a critical role in regulating metabolism, controlling blood sugar levels, reducing inflammation, and managing your body’s daily stress response.

When is the best time of day to take a cortisol blood test?

Cortisol levels naturally fluctuate throughout the day, peaking early in the morning and declining towards the evening. For the most accurate assessment of baseline cortisol, samples should be collected in the morning (between 8:00 AM and 9:00 AM) while fasting.

What are the signs of high or low cortisol levels?

High Cortisol (Hypercortisolism): May cause rapid weight gain (especially around the abdomen and face), high blood pressure, mood swings, muscle weakness, and persistent fatigue.

Low Cortisol (Hypocortisolism): May lead to chronic exhaustion, low blood pressure, muscle weakness, unintended weight loss, and dizziness.

How long does it take to get my cortisol test results?

Once your sample arrives at our UK CQC-regulated testing laboratory, your results will be reviewed by a qualified doctor and published in your online portal within 2 working days.

 

 

How it works

Order test online

Collect a few drops at home

Return sample to the lab

Fast resutls via dashboard & email