Vitamin A (Retinol) Blood Test


The Vitamin A test determines the amount of Vitamin A in your bloodstream. Vitamin A is an important nutrient for vision, immune function and reproduction.

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Vitamin A (Retinol) Blood Test

About this test

Vitamin A can be found in both animal and plant foods. Animal sources (Retinoids) include eggs, meat, oily fish, cheese and liver. Liver is an especially strong source which is why it is recommended that pregnant women don't eat liver in case they get too much Vitamin A. Vitamin A is also found in plants (Carotoenoids) which has anti-inflammatory and antioxidant properties. Plant sources include dark green leafy vegetables and yellow and orange fuits and vegetables.

How it works

Collect Sample

We send you an easy-to-use kit to collect your blood sample.

Post Sample

Post your sample to our lab in the prepaid envelope provided.

View Results

View results securely in your own personal dashboard.

Important Information

Our tests are not a substitute for seeing your doctor, especially if you are suffering symptoms. Our doctors will interpret your results based on the information you have provided, but will not diagnose, consult or provide any treatment. You will be advised to see your doctor for any necessary follow-up action.

Tests Included


Vitamin A (retinol) is a fat-soluble vitamin found in animal products such as eggs, dairy, liver and kidneys. It is important for the normal reproduction of cells (cellular differentiation) as well as good vision and the proper development of an embryo and foetus.

Vitamin A deficiency can lead to dry eyes (xerophthalmia), night blindness, skin problems, infections, diarrhoea and lung disorders.

Vitamin A can be toxic in high doses so it is important to never take more than the recommended daily allowance unless you have consulted with a doctor.

Blood sample collection kit

We will send you your Vitamin A (Retinol) Blood Test blood sample collection kit together with the details of a convenient clinic where you can go and have your sample taken.

Postage & packaging

Your Vitamin A (Retinol) Blood Test includes 1st class postage and packaging for you to send your blood sample directly to our laboratory for analysis. If you live in an area where you cannot rely on the post or you simply want to ensure that your sample arrives at the laboratory the following day, you may wish to send your blood sample guaranteed next day delivery for extra reassurance.

Private laboratory analysis

Your blood sample will be analysed at one of our chosen laboratories. You can be assured of fast, accurate results from one of our accredited independent providers of clinical diagnostic tests.

Interpretation of results

Our medical team will comment on out-of-range blood results and give you follow-up advice where necessary. If you need it, a PDF copy of your Vitamin A (Retinol) Blood Test results can be downloaded for your doctor.

Secure online account

Once you have placed your order you can visit where you can manage your account, track your orders and view your Vitamin A (Retinol) Blood Test results.

Health and Lifestyle tracker

Stay motivated by filling in your online health and lifestyle questionnaire and seeing how improvements in your lifestyle can influence your results. Your medical and family history gives us vital information when interpreting your results.

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