Vitamin A (Retinol)
Private Vitamin A (Retinol) Blood Test in London for £99, measuring vitamin A levels with secure results delivered by email in 8 days.
Turnaround time
8 days
Biomarkers count
1
Book your test
Choose Service Type
Professional phlebotomist comes to you
+ £{{ home_visit_fee }}
Visit our clinic for your test
{{ clinic_visit_fee > 0 ? '+ £' + clinic_visit_fee : 'Free' }}
Home Visit Details
Home visits require at least 24 hours notice.
Select a clinic: Sorting by distance…
{{ clinic.full_address }}
{{ selectedClinic.full_address }}
Select a date
Select an hour
Available time slots: {{ timeSlots.length}}
Overview of the Vitamin A (Retinol) Blood Test
The Vitamin A (Retinol) Blood Test measures the level of retinol (vitamin A) in your blood. Vitamin A is a fat-soluble vitamin that plays an important role in vision, immune function, skin health, cell growth and the maintenance of healthy tissues. Measuring vitamin A levels can help assess nutritional status and identify whether further clinical assessment may be appropriate.
This is a single-biomarker nutritional test that measures Vitamin A (Retinol). It may be requested when investigating suspected vitamin A deficiency, monitoring nutritional status in people with conditions that affect nutrient absorption, or assessing individuals receiving vitamin A supplementation under medical supervision.
People may choose this test if they have symptoms that could be associated with altered vitamin A levels, digestive conditions affecting nutrient absorption, dietary concerns, or if a healthcare professional recommends monitoring vitamin A status.
The Vitamin A (Retinol) Blood Test provides useful laboratory information but does not diagnose nutritional disorders or medical conditions on its own. Results should always be interpreted alongside symptoms, dietary intake, medical history, medications and other laboratory findings by a suitably qualified healthcare professional.
What Does the Vitamin A (Retinol) Blood Test Check ?
Vitamin A (Retinol) - Vitamin A (retinol) is an essential fat-soluble vitamin involved in maintaining normal vision, supporting immune function, promoting healthy skin and mucous membranes, and contributing to normal growth and cell development. Measuring blood retinol levels helps assess vitamin A status and may support the investigation of nutritional deficiencies or monitoring of supplementation where clinically appropriate.
Who May Benefit From the Vitamin A (Retinol) Blood Test?
This test may be suitable for people who want to:
Assess their vitamin A nutritional status and check whether levels appear adequate.
Investigate possible vitamin A deficiency when symptoms, diet or medical history raise concern.
Monitor vitamin A levels during supplementation or treatment to help track progress over time.
Support investigations into nutrient absorption disorders that may affect vitamin A uptake.
Review nutritional status following gastrointestinal surgery or other digestive procedures.
Investigate dietary deficiencies when intake may be restricted, unbalanced or insufficient.
Monitor nutritional health under medical supervision as part of ongoing clinical care.
Arrange a private blood test in London without waiting for a GP referral and obtain laboratory information before consulting a GP or dietitian.
How to Prepare
How to Book Your Vitamin A (Retinol) Blood Test in London
Booking your Vitamin A (Retinol) Blood Test with London Blood Tests is simple and designed to fit around your schedule.
Choose the Vitamin A (Retinol) Blood Test
Select the Vitamin A (Retinol) Blood Test online and review the included biomarkers before booking.
Select your sample collection option
Choose an in-clinic blood draw appointment (+£35) or a home/hotel phlebotomy service (+£60). A qualified phlebotomist can visit your home, workplace or hotel to collect your sample and transport it safely to the laboratory.
Attend your appointment
Attend your clinic appointment or have your blood sample collected at your chosen location.
Laboratory analysis
Your blood sample is analysed at an accredited laboratory using validated methods to measure vitamin A (retinol) levels.
Receive your results securely
Your results are sent securely by email, ready to review yourself or discuss with a GP, specialist or qualified clinician.
When Will I Receive My Results?
Results are typically available within 8 days after the laboratory receives your sample.
Once your laboratory report has been authorised, your results will be sent securely by email.
Turnaround times begin when the laboratory receives your sample rather than when it is collected. Specialist nutritional testing may occasionally require additional laboratory processing. Results outside the expected range should be reviewed with a GP, dietitian or other suitably qualified healthcare professional.
Understanding Your Results
Your report will include your Vitamin A (Retinol) level together with the laboratory reference range.
Reference ranges may vary slightly between laboratories depending on the testing methods used. A result within the reference range does not always exclude nutritional concerns, while an abnormal result does not automatically confirm the cause of your symptoms.
Your results should always be interpreted alongside your diet, symptoms, medical history, medications, supplement use and any additional laboratory investigations. If you have concerns regarding your results, discuss them with your GP, dietitian or another qualified healthcare professional.
Why Book With London Blood Tests?
Private nutritional blood testing in London with convenient access to specialist laboratory services
Clinic blood draw appointments available (+£35) for a straightforward in-person sample collection
Home and hotel phlebotomy visits available (+£60) for added flexibility at your preferred location
Specialist vitamin and nutritional testing for a wide range of deficiency and monitoring needs
Accredited laboratory analysis using validated methods for reliable clinical reporting
Secure laboratory results delivered by email so you can access your report quickly and privately
Transparent pricing before booking with no hidden fees or unexpected charges
Convenient appointment scheduling designed to fit around work, travel or family commitments
Suitable for patients seeking private testing without lengthy waiting times or referral delays
Supportive service for people wanting clear results they can discuss with a GP or specialist
Private Vitamin A (Retinol) Blood Test in London
At London Blood Tests, we provide private Vitamin A (Retinol) Blood Tests with fast access to accredited laboratory analysis.
Clinic appointments are available alongside home visit options depending on your location and testing requirements, making it easy to arrange a private blood test near you with flexible sample collection.
Whether you are monitoring your nutritional health, investigating possible vitamin A deficiency or obtaining laboratory information before speaking with a GP, dietitian or specialist, our service offers reliable testing, secure reporting and convenient appointments.