• £69.00

Free Thyroxine (FT4) Hormone Testing Kit

  • Designed to test for Free Thyroxine (fT4) and it accurately assesses fT4 levels in the body.
  • Safe and Easy to use
  • Contains Blood Spot collection kit
  • Accurate Result is delivered in 7 business days after receipt at the laboratory
  • You can use the test at the comfort of your home
  • Free delivery in the UK and Ireland
  • Customers are responsible for shipment to laboratory. Please find more information on shipping page. 
  • No additional laboratory costs and tax.

Your may suspect that one of these conditions is present if you have symptoms such as:

  • eye issues, like dryness, irritation, puffiness, and bulging
  • skin dryness or puffiness
  • hair loss
  • hand tremors
  • changes in heart rate
  • changes in blood pressure

You may also experience more general symptoms such as:

  • weight changes
  • difficulty sleeping or insomnia
  • anxiety
  • fatigue and weakness
  • intolerance to cold
  • sensitivity to light
  • menstrual irregularity

Abnormally low levels of T4 may indicate:

  • dietary issues, such as fasting, malnutrition, or an iodine deficiency
  • medications that affect protein levels
  • hypothyroidism
  • illness
  • a pituitary problem


  • Test Result: You will receive your test result via email within 5-7 working days after Laboratory receives your sample. On your test result you will see your hormone levels in graphics .An easy to understand explanation regarding the functions of the tested hormones by our laboratory professional. You will also see Laboratory's comments on your test result which suggests a healthy diet, what kind of exercise you should do and some reading materials how to maintain your hormone level balanced.

The pack includes:

  • Test Requisition Form includes Symptom Checklist
  • Requisition Form to complete including your personal and medical history
  • Instructions on How to Use blood spot Collection Kit

How to Use 

blood spot use introduction



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