Tired All The Time? The Private Blood Tests That Could Explain It in Leicestershire

Feeling tired all the time can be frustrating, worrying, and difficult to explain. For some people, it starts gradually with low energy in the afternoons. For others, it feels like constant exhaustion, no matter how much sleep they get. If you have been struggling with fatigue for weeks or months, it may be time to look a little deeper.

At Mistrys Pharmacy, we support patients across Leicestershire who want clear answers without long waiting times. A private blood test can be a practical way to investigate common causes of tiredness, from iron deficiency to thyroid problems, and help you take the next step with confidence.

If you are looking for blood testing in Market Harborough, our team can help you choose the right tests based on your symptoms and health goals. Read on to learn more or book an appointment today.

Why Am I Always Tired?

Tiredness is not always caused by one single issue. It can be linked to lifestyle factors, stress, sleep quality, diet, work patterns, or underlying health concerns. Sometimes, fatigue is your body’s way of telling you something needs attention.

Common reasons people feel tired include:

  • Low iron levels or anaemia
  • Vitamin B12 or folate deficiency
  • Low vitamin D levels
  • Underactive thyroid (hypothyroidism)
  • Blood sugar imbalance or early signs of diabetes
  • Inflammation or infection
  • Hormone changes
  • Poor sleep quality or sleep apnoea
  • High stress levels or burnout

If you feel tired all the time and cannot pinpoint why, a private blood test can help identify or rule out several of these causes quickly.

When Should You Consider A Private Blood Test?

It can be tempting to wait and hope tiredness improves on its own, but persistent fatigue is worth checking, especially if it is affecting your daily life.

Book a private blood test

You may want to consider a private blood test if:

  • You feel exhausted most days for more than 2 to 3 weeks
  • You are sleeping enough but still wake up tired
  • You are struggling to concentrate or experiencing brain fog
  • You feel short of breath, light-headed, or weak
  • You have noticed hair thinning or changes in your skin
  • You have low mood alongside fatigue
  • You have recently had an illness and have not fully recovered
  • You follow a restricted diet (such as vegan or vegetarian)

If any of these sound familiar, you can contact Mistrys Pharmacy to discuss which tests may be most useful.

The Best Blood Tests To Check If You’re Tired All The Time

Below are some of the most helpful options we recommend when patients book a private blood test for fatigue symptoms.

1) Full Blood Count (FBC)

A full blood count checks your red and white blood cells and can help identify anaemia, infection, or other issues affecting your energy levels.

It may be useful if you have symptoms such as:

  • Weakness or dizziness
  • Shortness of breath
  • Pale skin
  • Frequent infections
2) Iron Studies And Ferritin

Ferritin is one of the most important tests for tiredness, as it reflects your iron stores. Even if your haemoglobin looks normal, low ferritin can still cause fatigue.

Low iron can also cause:

  • Hair shedding
  • Headaches
  • Restless legs
  • Feeling cold often

This is especially common in people with heavy periods or those who do not get enough iron through diet.

3) Vitamin B12 And Folate

Vitamin B12 and folate are essential for red blood cell production and nervous system health. Deficiency can lead to significant tiredness and neurological symptoms.

Signs you may benefit from testing include:

  • Tingling or numbness in hands and feet
  • Brain fog
  • Low mood
  • Poor memory
  • Glossitis (sore tongue)

B12 deficiency is more common in vegans and vegetarians, and in people with digestive absorption issues.

4) Vitamin D

Low vitamin D is extremely common in the UK, particularly during autumn and winter. It can contribute to fatigue, low mood, muscle aches, and reduced immunity.

You may want a vitamin D test if:

  • You spend little time outdoors
  • You have darker skin
  • You cover your skin for cultural or medical reasons
  • You have frequent colds or infections
5) Thyroid Function Tests (TSH, Free T4)

An underactive thyroid can make you feel exhausted, sluggish, and mentally slow. Thyroid problems are often missed because symptoms can develop gradually.

Possible symptoms include:

  • Weight gain
  • Dry skin
  • Constipation
  • Sensitivity to cold
  • Low mood

A private blood test that includes thyroid markers can be a helpful starting point.

6) HbA1c (Blood Sugar Control)

If your blood sugar is unstable, it can cause energy crashes, intense hunger, and difficulty concentrating. HbA1c provides a longer-term picture of your blood sugar levels.

This test is often useful if you have:

  • Increased thirst
  • Frequent urination
  • Tiredness after meals
  • Unexplained weight changes
7) Liver And Kidney Function Tests

Your liver and kidneys play a major role in filtering waste and keeping your body balanced. If these organs are not functioning properly, fatigue can be one of the early symptoms.

Testing can help identify:

  • Dehydration concerns
  • Liver inflammation
  • Reduced kidney function

Private blood test for fatigue

8) Inflammation Markers (CRP)

CRP is a marker of inflammation in the body. While it does not diagnose a specific condition on its own, it can indicate whether your body is dealing with inflammation, infection, or another underlying issue.

Choosing The Right Test Package

If you are unsure where to start, many patients choose a fatigue-focused panel that includes several of the key markers above. This can give a broader picture without needing to guess.

A practical starting point for many people includes:

  1. Full blood count
  2. Ferritin and iron studies
  3. Vitamin B12 and folate
  4. Vitamin D
  5. Thyroid function tests
  6. HbA1c

At Mistrys Pharmacy, we can help you select the right private blood test based on your symptoms, medical history, and lifestyle. Book today.

Blood Testing In Market Harborough And Across Leicestershire

If you are looking for blood testing in Market Harborough, we provide a convenient option for patients who want quick access to testing and clear guidance on what the results mean.

Many people choose private blood testing because it offers:

  • Faster access than waiting for appointments
  • A clear plan based on your symptoms
  • A way to track health changes over time
  • Reassurance when symptoms are persistent

Don’t Ignore Ongoing Fatigue

Feeling tired all the time is not something you should have to push through. While stress and busy schedules can play a role, ongoing fatigue can also be linked to deficiencies or underlying health issues that can be identified with the right tests.

A private blood test can provide clarity and help you take the next step towards feeling like yourself again.

If you are ready to get answers or to explore our other blood tests – including STI checks –  contact Mistrys Pharmacy today to discuss your options for blood testing in Market Harborough and across Leicestershire. Alternatively, book your appointment today.

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This blog was written on behalf of Mistrys Pharmacy by Pharmacy Mentor.

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