Advanced Tiredness Blood Test

Check comprehensive blood biomarkers to determine the cause of fatigue and tiredness.

Results in 48 hours


What is this test?

Constant tiredness can come from daily habits, health issues, or stress. While ongoing fatigue may hint at a health concern, symptoms alone aren't definitive. Our screening test looks at essential and comprehensive blood biomarkers to identify the possible reasons behind your tiredness.

Common Symptoms

  • Persistent Lack of Energy
  • Mental Exhaustion
  • Physical Weakness
  • Sleep Issues
  • Decreased Motivation
  • Slowed Reflexes and Reaction Time
  • Muscle Aches and Joint Pain
  • Mood Changes
  • Increased Sensitivity to Stress
  • Frequent Illness

How long does it take?

The test turnaround is 48 hours.

Type of sample

Blood sample

What is included in this test

Full blood count (FBC)

Measures the number and type of cells in your blood, such as red blood cells, white blood cells, and platelets and it provides important insights into overall health by evaluating blood components essential for oxygen transport, immunity, and clotting. It can help to detect anaemia, infections, bleeding disorders, and other abnormalities.

Complete Blood Count

Anaemia markers

Anaemia Markers represent essential indicators to diagnose and monitor anaemia. These markers can provide insights into iron storage and utilisation within the body, helping to determine potential deficiencies or imbalances.

Iron Total Iron Binding Ferritin

Inflammation markers

Erythrocyte Sedimentation Rate (ESR) provides insights into ongoing inflammatory processes.


Thyroid Function

Free Thyroxine (FT4) and Thyroid Stimulating Hormone (TSH) are important health markers for evaluating thyroid function. Their measurements offer insights into the thyroid gland's function and help diagnose conditions like hyperthyroidism or hypothyroidism.



Vitamin B12, folate, and vitamin D are essential vitamins that play important roles in many bodily functions. Low levels of these vitamins can lead to a variety of symptoms, including fatigue, weakness, pale skin, tingling or numbness in the hands and feet, and shortness of breath.

Vitamin D Folate (RBC) Vitamin B12 (Active)

Diabetes Biomarkers

HbA1c (Hemoglobin A1c) and Glucose are fundamental indicators for monitoring blood sugar regulation. These markers provide insights into an individual's long-term and short-term glucose levels aiding in the diagnosis and management of diabetes.

HbA1c Glucose


One of the essential sex hormones that play roles in muscle mass, bone density, and mood. Both men and women produce it, but any imbalance can lead to various health issues.


The benefits of this blood test

  • Understand the causes of tiredness
  • GP health insights, support and advice
  • Guidance to manage energy, mood, and sleep levels
  • Lifestyle change advice

Spot medical issues

Tiredness can signal conditions like anaemia, diabetes, or thyroid problems. Blood tests pinpoint these issues by checking fatigue-related blood biomarkers.

Check for nutrient levels

Feeling tiredness can be linked to low levels of iron, vitamin D, B12, or folate. A test reveals if you need dietary changes or supplements.

Examine hormone levels

Issues like unbalanced thyroid hormones can cause persistent tiredness. Blood tests provide information on these levels, guiding the next steps in treatment.

Measure inflammation

Ongoing inflammation can make you feel tired, and cause pain or depression-like symptoms. This blood test investigates certain inflammatory biomarkers.

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Take the Next Step in Proactive Healthcare

Book your Advanced Tiredness Blood Test at UniClinic today

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Contact us

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020 3002 7795

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