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your 10% discount will be applied at checkout
your discount will be applied at checkout
What's included
This is a tracking package and you will receive and be charged for a new test kit at the duration of your choice (every 3, 4, 6, or 12 months). You can cancel or change the frequency of your test at any time using your dashboard.
your discount will be applied at checkout


Per test
In Stock
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Results within 2 working days
Our baseline blood test gives you an understanding of your overall wellbeing by measuring 16 key biomarkers essential for good health. Test and track improvements over-time.
What's included
This is a tracking package and you will receive and be charged for a new test kit at the duration of your choice (every 3, 4, 6, or 12 months). You can cancel or change the frequency of your test at any time using your dashboard.
your discount will be applied at checkout

Why Take A Baseline Test?

Our baseline health check has been designed for those who want to have a proactive approach to their general health and wellbeing.

The test focuses on two key areas of your health – diet and lifestyle.

By measuring your levels of essential nutrients such as vitamin B12, ferritin and vitamin D you’ll know if your diet is providing you with the right nutrition.

The baseline test also checks thyroid function, liver health and cholesterol levels, so you can ensure your body is in the best of health.

The insights you gain from this baseline health test will help you to make changes to your diet and lifestyle and track improvements over time.

When to take This test

The sample is best taken within 3 hours of waking and before food.

Vitamin D levels
of Forth customers were found to have sub-optimal levels of vitamin D (>75 nmol/L)
LDL levels
of customers reduced their levels of LDL (bad cholesterol) between tests.

What Will a Baseline Test Tell Me?

Our baseline health check is a cost-effective way to improve your health and help you stay fit and healthy, now and in the years ahead. By measuring 16 biomarkers at once, you’ll gain an accurate picture of your overall health and identify those areas which need improvement. The test analyses the biomarkers related to the following essential areas:

Energy levels

Vitamins B12 and D as well as ferritin (stored iron). Deficiencies in vitamin B12 and iron can make you feel tired and lethargic and if left unchecked lead to anaemia.

Liver function

The liver enzymes ALT, ALP and Gamma GT are all used to help identify liver injury, alongside the proteins albumin and globulin. Lifestyle is a major contributor to liver injury such as diets high in fat and alcohol consumption. Your liver is involved in hundreds of functions within the body which means it is important to understand how well it is performing.

Heart health

By measuring your HDL, LDL, total cholesterol, and triglyceride levels you'll gain insight into your heart health. Your diet is a key factor when it comes to increased LDL levels, also known as bad cholesterol, so you’ll be able to identify aspects of your lifestyle which may need improvement.


Metabolism defines all of the chemical reactions which occur in the body to produce energy and keep your cells working. Your thyroid hormones play an important role in regulating your metabolic rate. The baseline test measures your level of thryoid stimulating hormone and abnormal levels can result in your cells working too fast or too slow.

improve your unique self

Want to improve your health & wellbeing? Forth gives you insight into your body’s key biomarkers. By tracking essential markers overtime you can build a picture of your own unique self and discover how your body responds to the changes you make so you can reach your personal best.

Frequently asked questions

 Here are some of the most frequently asked questions. If you need anything else try our help section.

  • What is vitamin deficiency?

    A vitamin deficiency is best described as a long-term lack of a specific vitamin or group of vitamins. There are many common vitamin deficiencies in the UK including B12 which can lead to anaemia.

    If you eat a healthy, balanced diet you should acquire all of the vitamins and minerals your body needs to stay healthy. However, certain diets such as the vegan diet are more prone to deficiencies, particularly vitamin B12 because of the lack of animal products.

  • Why is vitamin D important?

    Vitamin D is important for health because it regulates calcium and phosphate levels in the body. Together, these nutrients help to keep your teeth and bones strong and healthy.

    Although there are some dietary sources of vitamin D available like oily fish and eggs, the best source is exposure to the UVB rays of the sun. Once your skin is exposed to the sun, it can make vitamin D and store it for later use.

    Low vitamin D levels in children can cause rickets or osteomalacia in adults which are characterised by bone pain and deformities. Everybody in the UK over the age of one is advised to take a vitamin D supplement because the entire population is at risk of deficiency.

  • What does it mean if your iron levels are low?

    Low iron levels are a sign of deficiency and/or anaemia. If your body doesn’t have enough iron, it is unable to produce enough haemoglobin, a protein present in red blood cells responsible for carrying oxygen. As a result, low iron levels can cause symptoms like tiredness and shortness of breath.

    A major cause of low iron levels is poor diet. Because the body is unable to make iron itself, we must take it in through our diet. There are two types of iron called haem and non-haem. Haem iron is found mostly in meat while non-haem is found in plant sources but isn’t as easily absorbed.

    Eating more food sources rich in iron can help to boost your levels. The baseline test measures your ferritin levels. Ferritin is a protein which stores iron in your body. Measuring the amount of ferritin in your blood reflects how much stored iron is available.

  • What does the liver do?

    The liver is the largest organ in the human body and its main functions are:

    • filtering the blood
    • produce bile
    • break down fats so they are easier to digest
    • break down carbohydrates
      storage of vitamins and minerals

    The liver carries out hundreds of important tasks within the human body and so testing its function can tell you a lot about your general health.

Upgrade your test

All our tests are designed by our expert team of scientists who have taken the latest research to bring you the most relevant biomarkers to improve your health. Here are some alternative tests that cover essential biomarkers.

Baseline Plus
Per test
20 Biomarkers Included
Our best selling general health blood test measuring 20 essential biomarkers for good health and wellbeing.
46 Biomarkers Included
Our best value wellbeing check measuring over 45 biomarkers.
Looking for a bespoke test?

Want to add more biomarkers to your test? That’s no problem. All of our tests can be personalised.  Just use our ‘customise this test’ button below to see the list of biomarkers which you can add to your test and get analysed at the same time.