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Am I suffering the after-effects of Covid?

Am I suffering the after-effects of Covid?

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With many long-Covid symptoms persisting for months, it can be difficult to identify exactly what's going on with your health. Many of us are suffering from long-Covid, others may have another undiagnosed condition which is being hidden by Covid

Long Covid is a “diagnosis of exclusion”. If you have had COVID-19 and are suffering the recognised symptoms of long Covid (such as fatigue, shortness of breath, “brain fog”, insomnia, heart palpitations, dizziness) but your test results do not show anything significantly out of the ordinary, then you are probably suffering from long Covid.

This test looks at 38 biomarkers to give you a complete picture of the symptoms of long Covid 

This simple at-home blood test is sent to your door with full instructions on how to complete the test and send it off to our laboratory using the pre-paid envelope and packaging.

All our blood samples are analysed at leading UK laboratories which are accredited by UKAS to ISO15189 standards reflecting the highest standards of pathology.

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This test includes the following biomarkers. For full details on each of these tests see the "Full Description" tab

• High-sensitivity C-reactive protein (HS-CRP)

• Full Iron Profile (Ferritin, Iron Serum, TIBC - Total Iron Binding Capacity, UIBC - Unsaturated Iron Binding Capacity, Transferrin Saturation)

• Full Blood Count (Basophils, Eosinophils, Haemoglobin, Haematocrit, Lymphocytes, Mean Cell Haemoglobin, Mean Corpuscular Volume, Mean Platelet Volume, MCHC, Monocytes, Neutrophils, Platelet Count, RBC Distribution Width, Red Blood Cell, White Blood Cell Count, Neutrophils %, Lymphocytes %, Monocytes %)

• HbA1C

• Kidney function test (Creatinine, eGFR, Urea)

• Liver function test (Total protein, Globulin, Gamma GT, Alanine aminotransferase (ALT), Albumin, Alkaline Phosphatase (ALP), Bilirubin)

• Thyroid function test (Thyroid Stimulating Hormone (TSH), Triiodothyronine (T3, free), Thyroxine (FT4))

If you have had COVID-19 and are suffering the recognised symptoms of Long Covid (such as fatigue, shortness of breath, “brain fog”, insomnia, heart palpitations, dizziness) then this is the test for you.

This test includes the following biomarkers:

Full Iron Profile - Iron is a mineral in your body that comes from foods like red meat and fortified cereals or from supplements you take. You need iron to make red blood cells. Iron is also an important part of haemoglobin, a protein in your blood that helps carry oxygen from your lungs to the rest of your body. An iron test can show if you have too much or too little of this mineral in your system.

Ferritin - Ferritin is a protein which stores iron. This test indicates if your body's iron stores are low and you have iron deficiency or if you have too much iron. It could also point to liver disease, rheumatoid arthritis, other inflammatory conditions or hyperthyroidism

Iron Serum - A serum iron test measures how much iron is in your serum. Serum is the liquid that’s left over from your blood when red blood cells and clotting factors have been removed. The test can reveal abnormally low or high blood iron levels. Having too much iron — or not enough — can cause serious health problems.

TIBC - Total Iron Binding Capacity - A total iron-binding capacity test tells you how much transferrin in your blood is binding to iron, which tells you how well iron is functioning in your body.

UIBC - Unsaturated Iron Binding - Unsaturated iron-binding capacity is related to the total iron-binding capacity test and measures how much transferrin is not yet bound to iron.

Transferrin Saturation - Capacity - Your liver makes a protein called transferrin that attaches to, or binds to, iron in your blood. Once iron is bound to transferrin, it goes to your bone marrow to make red blood cells and haemoglobin, a protein that helps carry oxygen.


• Full Blood Count - This is a blood test measuring different types and number of cells in the blood including white cells (infection/immune response), red blood cells (to carry oxygen) and platelets (immune and blood clotting function). It gives a good indication of body health and can help detect many medical conditions.

Basophils - Basophils are one of the several kinds of white blood cells you have in your body. Basophils are a part of your immune system and are created inside of your bone marrow

Eosinophils - Eosinophils are a kind of white blood cell that helps fight disease; they're usually linked with allergic diseases and certain infections. They're made in your bone marrow and then travel to different tissues.

Haemoglobin - About 70 percent of your body's iron is found in the red blood cells of your blood called haemoglobin and in muscle cells called myoglobin. haemoglobin is essential for transferring oxygen in your blood from the lungs to the tissues.

Haematocrit - The haematocrit, also known by several other names, is the volume percentage of red blood cells in blood, measured as part of a blood test. Having too few or too many red blood cells can be a sign of certain diseases.

Lymphocytes - Lymphocytes are a type of white blood cell. They’re an important part of your immune system. About 20% to 40% of your white blood cells are lymphocytes.

Mean Cell Haemoglobin - The mean cell haemoglobin, or "mean corpuscular haemoglobin", is the average mass of haemoglobin per red blood cell in a sample of blood. A low MCH value typically indicates the presence of iron deficiency anaemia; while high MCH value can often be caused by anaemia due to a deficiency of B vitamins, particularly B-12 and folate

Mean Corpuscular Volume - The mean corpuscular volume, or mean cell volume, is a measure of the average volume (or size) of a red blood corpuscle. It can help diagnose different types of anaemia and other health conditions.

Mean Platelet Volume - Platelets are small blood cells that are essential for blood clotting, the process that helps you stop bleeding after an injury. An MPV blood test measures the average size of your platelets. The test can help diagnose bleeding disordersand diseases of the bone marrow.

MCHC -Mean corpuscular haemoglobin concentration (MCHC). MCHC checks the average amount of haemoglobin in a group of red blood cells.This can help in the diagnosis of anemia, a condition caused by not having enough healthy red blood cells, or the red blood cells you do have don't work as well as they should

Monocytes - Monocytes are a type of white blood cell. They are produced in the bone marrow and then enter the bloodstream. They fight certain infections and help other white blood cells remove dead or damaged cells and fight cancer cells.

Neutrophils - Neutrophils are a type of white blood cell. They make up the biggest number of all kinds of white blood cells. They kill and digest bacteria and fungi to help your body fight infections and heal wounds.

Platelet Count - A platelet count is a test that measures the number of platelets in your blood. Platelets are cells that help your blood clot. Too few platelets can be a sign of cancer, infections or other health problems. Too many platelets put you at risk for blood clots or stroke.

RBC Distribution Width - The red cell distribution width (RDW) blood test measures the amount of red blood cell variation in volume and size. You need red blood cells to carry oxygen from your lungs to every part of your body. Anything outside of the normal range in red blood cell width or volume indicates a possible problem with bodily function that in turn may affect oxygen getting to various parts of your body.

Red Blood Cell - A red blood cell count test measures how many red blood cells your blood contains. The red blood cells contain haemoglobin — a protein that transports oxygen to all parts of your body. The test helps to identify several health conditions

White Blood Cell Count - A white blood count measures the number of white cells in your blood. White blood cells are part of the immune system. They help your body fight off infections and other diseases. When you get sick, your body makes more white blood cells to fight the bacteria, viruses, or other foreign substances causing your illness.

Neutrophils % - Neutrophils are the most abundant type of white blood cells. In healthy adults, they typically constitute about 50 to 70 percent of white blood cells and function as the first line of defence against bacteria and other foreign organisms. This percentage is what you read in your Full Blood Count as the Neutrophils %, or Relative Neutrophil Count

Lymphocytes % - Lymphocyte percentage is a measure of the number of lymphocytes represented as B cells (25%) and T cells (75%) in proportion to the white blood cell count in a single blood specimen.A high or low range of lymphocytes can suggest infection or a blood disorder

Monocytes % - Monocytes are one of the largest types of white blood cells. Each type of white blood cell has a unique role. Monocytes are responsible for attacking and breaking down germs and bacteria that enter the body. Monocytes % indicates whether the proportion of monocytes within the white blood cell count is healthy


• Kidney function test - This blood test looks at important salts in the blood which control chemical and electrical cell processes. It also gives an indication of renal function and hydration.

Creatinine - Creatinine is a waste product from the normal breakdown of muscle tissue. This test measures how well your kidneys are working

eGFR - Estimated glomerular filtration rate (eGFR) is a measure of how well your kidneys filter blood.

Urea - Urea is a waste product our bodies produce and is the major component of urine



• Liver function test - When the liver is damaged, it releases substances called enzymes into the blood and levels of proteins produced by the liver begin to drop. By measuring the levels of these enzymes and proteins, it's possible to build up a picture of how well the liver is functioning. This can help to diagnose certain liver conditions, including hepatitis, cirrhosis (liver scarring), and alcohol-related liver disease.

Total protein - Your liver is in charge of making most of the proteins that are in your blood. The total protein test measures all the proteins in your blood.

Globulin - This is a group of proteins. Some of them are made by your liver. Others are made by your immune system. They help fight infection and transport nutrients.

Gamma GT - Gamma GT is a common enzyme found in many of your body’s tissues and organs, including your liver. It plays a part in breaking down, changing, and moving proteins and other molecules in your body.

Alanine aminotransferase (ALT) - Your body uses ALT to break down food into energy. Normally, ALT levels in the blood are low. If your liver is damaged, it will release more ALT into your blood and levels will rise.

Albumin - This carries medicines and hormones throughout your body. It also helps with tissue growth and healing.

Alkaline Phosphatase (ALP) - Alkaline phosphatase is one kind enzyme found in your body. Enzymes are proteins that help chemical reactions happen.If your liver isn’t working properly, the amount of ALP in your blood may be high

Bilirubin - Bilirubin is a pigment that occurs normally when part of your red blood cells break down. Your liver takes the bilirubin from your blood and changes its chemical make-up so that it can be passed through your body. If your bilirubin levels are higher than normal, it’s a sign that either your red blood cells are breaking down at an unusual rate or that your liver isn’t breaking down waste properly and clearing the bilirubin from your blood


• Thyroid function test - Thyroid hormones help to regulate important body processes such as metabolism and brain development. Under or over-active thyroid problems can present with both physical, mental and metabolic disorders. This blood test can help diagnose thyroid problems, as well as monitor and guide treatment in established cases.

Thyroid Stimulating Hormone (TSH) - A TSH test is done to find out if your thyroid gland is working the way it should. It can tell you if it’s overactive (hyperthyroidism) or underactive (hypothyroidism).

Triiodothyronine (T3, free) - T3 is one of two major hormones made by your thyroid, a small, butterfly-shaped gland located near the throat. The other hormone is called thyroxine (T4) T3 and T4 work together to regulate how your body uses energy.

Thyroxine (FT4) - T4 is one of two major hormones made by your thyroid, a small, butterfly-shaped gland located near the throat. The other hormone is called Triiodothyronine (T3.) T3 and T4 work together to regulate how your body uses energy







Anyone concerned that they may be suffering from Covid symptoms (including fatigue, shortage of breath, memory loss, change in your sense of taste or smell, muscle pains or headache)

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