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Red Cell Folate Testing (B9)

The Red Cell Folate test is also known as a Folate or Vitamin B9 test.

All you need to know about testing Red Cell Folate levels with a laboratory test

  • What is the Red Cell Folate test for?
  • How to test Red Cell Folate?
  • What if Red Cell Folate results are high?
  • What if Red Cell Folate results are low?
  • Who should take the Anaemia Blood test?

Red Cell Folate Testing UK Statistics 2026

Icon For Red Cell Folate
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10.2% of people tested have Red Cell Folate levels which are too low.

And 1.7% have levels that are too high.

651.7

Low
< 340

Normal
340 - 1474.7

High
1474.7 +

The average Red Cell Folate result is 651.7 nmol/L
Note what is normal for you may differ for your age and sex.

Are you in the 88.1% with normal results?
Get Tested ›

What Is The Red Cell Folate Test For?

The Red Cell Folate test measure Vitamin B9 (also known as Folate) contained in your red blood cells.

Folate is an essential B vitamin. It helps utilise amino acids which are the building blocks of proteins, in order to form blood cells, tissue and aid cellular repair.

Vitamin B9 must be consumed regularly in the diet - typically from green vegetables and fruits. All pregnant women need increased amounts of folate for proper fetal development.

 

How To Test Red Cell Folate

By buying a laboratory test kit with professional nurse or clinic collection, you can accurately measure Red Cell Folate for total reassurance.

Professional analysis in an accredited laboratory ensures rapid result delivery.

The Vitall Anaemia nurse or clinic test kit includes a Red Cell Folate test and is available for just £119.00.

Tests which include a Red Cell Folate test:

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Take Control Of Your Health | Home Blood Testing Services

Anaemia Test Kit

Anaemia test kit
Anaemia Home Test Kit UK

Anaemia Test Kit

Find out if low iron or B vitamins could be behind your tiredness, breathlessness, or paleness, and get clear next steps.

£119.00

View Full Details ›

What if Red Cell Folate Results Are High?

Red cell folate and serum folate are considered equivalent for identifying folate deficiency, and are interpreted in the same way.

A high folate level is most often linked to folate supplementation. Usually no action is required.

Other conditions can also be associated with a high folate level, such as vitamin B12 deficiency.

Folate and/or vitamin B12 supplements can lead to high red cell folate levels. Unless also associated with renal failure, this is not usually of concern, and the result can be used to guide supplementation.

What if Red Cell Folate Results Are Low?

Folate is vital for the normal function of many cells, particularly bone marrow cells. Low folate levels can contribute to bone marrow insufficiency, such as anaemia, and this may be associated with a range of vague symptoms.

Low folate levels are often treated with folate replacement, but the underlying cause is also important. For example, if low folate relates to reduced absorption of dietary folate from the gastrointestinal tract due to inflammatory bowel disease, then additional oral supplementation may be less effective. This result is often reviewed further to clarify the cause.

Who Should Take This Test?

Measure your Red Cell Folate levels and find out if low iron or b vitamins could be behind your tiredness, breathlessness, or paleness, and get clear next steps. with a Anaemia nurse or clinic finger-prick bloodtest kit

You get the convenient testing with the reassurance of professional clinical analysis. Your results are delivered quickly & securely online.

This Anaemia Test is advised if you:

  • want the convenience of home testing without waiting for a GP appointment;
  • need a high quality, clinically accredited test done in a professional clinical laboratory.

Other Biomarkers Often Tested With Red Cell Folate

Urine, swab or bood test. This test is available to buy online Red Cell Folate
Urine, swab or bood test. This test is available to buy online Vitamin B12 (Active)

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