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Blood tests for tiredness and low energy
Feeling tired all the time is one of the most common reasons people have a blood test. Iron, ferritin, B12, folate, vitamin D and thyroid are usually checked first.
49 tests
Fatigue and Energy
Full Body Health Check
- Blood count Haemoglobin, red and white cells, platelets, ESR
- Kidneys and liver U&E, eGFR, liver function
- Bone Calcium, phosphate, magnesium, uric acid
- Sugar and cholesterol Glucose, HbA1c, HDL, LDL, non-HDL, triglycerides
- Iron Iron, TIBC, ferritin
- Thyroid TSH, free T4
- Vitamins Vitamin D, active B12, red cell folate
- Prostate (PSA) Men 40+, no extra cost, your choice at booking
See all 49 tests
- Haemoglobin
- Haematocrit
- Red cell count
- MCV
- MCH
- MCHC
- RDW
- White cell count
- Neutrophils
- Lymphocytes
- Monocytes
- Eosinophils
- Basophils
- Platelets
- ESR
- Sodium
- Potassium
- Chloride
- Bicarbonate
- Urea
- Creatinine
- eGFR
- Bilirubin
- Alkaline phosphatase
- ALT
- AST
- Gamma GT
- Total protein
- Albumin
- Globulin
- Calcium
- Phosphate
- Magnesium
- Uric acid
- Glucose
- Total cholesterol
- HDL cholesterol
- LDL cholesterol
- Non-HDL cholesterol
- Triglycerides
- Iron
- TIBC
- TSH
- Free T4
- HbA1c
- Ferritin
- Vitamin D (25-OH)
- Active B12
- Red cell folate
Fasting preferred (water only from midnight), morning appointment
£225
Results in 2 days
55 tests
Fatigue and Energy
Full Body Health Check Plus
- Everything In the Full Body Health Check
- Hormones Matched to you: PCOS hormones for women, male hormones for men
- Prostate (PSA) Men 40+, no extra cost, your choice at booking
See all 55 tests
Women
- Haemoglobin
- Haematocrit
- Red cell count
- MCV
- MCH
- MCHC
- RDW
- White cell count
- Neutrophils
- Lymphocytes
- Monocytes
- Eosinophils
- Basophils
- Platelets
- ESR
- Sodium
- Potassium
- Chloride
- Bicarbonate
- Urea
- Creatinine
- eGFR
- Bilirubin
- Alkaline phosphatase
- ALT
- AST
- Gamma GT
- Total protein
- Albumin
- Globulin
- Calcium
- Phosphate
- Magnesium
- Uric acid
- Glucose
- Total cholesterol
- HDL cholesterol
- LDL cholesterol
- Non-HDL cholesterol
- Triglycerides
- Iron
- TIBC
- TSH
- Free T4
- HbA1c
- Ferritin
- Vitamin D (25-OH)
- Active B12
- Red cell folate
- Testosterone
- SHBG
- Free androgen index
- FSH
- LH
- Fasting insulin
Men
- Haemoglobin
- Haematocrit
- Red cell count
- MCV
- MCH
- MCHC
- RDW
- White cell count
- Neutrophils
- Lymphocytes
- Monocytes
- Eosinophils
- Basophils
- Platelets
- ESR
- Sodium
- Potassium
- Chloride
- Bicarbonate
- Urea
- Creatinine
- eGFR
- Bilirubin
- Alkaline phosphatase
- ALT
- AST
- Gamma GT
- Total protein
- Albumin
- Globulin
- Calcium
- Phosphate
- Magnesium
- Uric acid
- Glucose
- Total cholesterol
- HDL cholesterol
- LDL cholesterol
- Non-HDL cholesterol
- Triglycerides
- Iron
- TIBC
- TSH
- Free T4
- HbA1c
- Ferritin
- Vitamin D (25-OH)
- Active B12
- Red cell folate
- Testosterone
- SHBG
- Free androgen index
- FSH
- LH
- Prolactin
Fasting preferred (water only from midnight), morning appointment
£349
Results in 2 days
6 tests
Fatigue and Energy
Iron & B12 Check
- Iron Iron, TIBC, transferrin saturation
- Stores Ferritin
- Vitamins Active B12, red cell folate
See all 6 tests
- Iron
- TIBC
- Transferrin saturation
- Ferritin
- Active B12
- Red cell folate
Morning preferred
£89
Results in 2 days
20 tests
Fatigue and Energy
Iron & B12 + FBC
- Blood count Haemoglobin, red and white cells, platelets
- Iron Iron, TIBC, ferritin
- Vitamins Active B12, red cell folate
See all 20 tests
- Haemoglobin
- Haematocrit
- Red cell count
- MCV
- MCH
- MCHC
- RDW
- White cell count
- Neutrophils
- Lymphocytes
- Monocytes
- Eosinophils
- Basophils
- Platelets
- Iron
- TIBC
- Transferrin saturation
- Ferritin
- Active B12
- Red cell folate
Morning preferred
£109
Results in 2 days
Good to know
- A full body check looks at the common causes of tiredness in one blood test.
- If you have been exhausted for months, or it is getting worse, we suggest a doctor's consultation alongside your results.
- If you are breathless at rest or have chest pain, please see a doctor today.
Not sure which test?
Describe how you feel to our test finder, or speak to one of our doctors.