Free T3
Free T3
Free T3
Free T3
Free T3
Free T3

Free T3

Test for the active form of Thyroxine in the body
Both Home Finger-Prick or Vacutainer Collection Possible
Order by 1pm m-f for same day dispatch
Biomarkers Included: 1 - See below for details
Estimated Turnaround Time in working days: 1
Inclusions: Free T3
Lab Code: FT3
Free Delivery
£57.00
/
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Collect 570 Pathology Points worth £5.70 to put towards future testing.

Thank you - A percentage from your order total goes towards Our Charity of the Month

Free Triiodothyronine (Free T3 or FT3) is the active form of thyroid hormone in our body - this is the actual hormone that does the work at the cellular level. Although not always needed for monitoring thyroid treatment regimes, many specialists advise testing the level of FT3 particularly if the treatment regime is less conventional.

Special Instructions: Fasting not required. No other special instructions.
Which Tests are Included? Free T3

This Thyroid Test can be taken at Home

This Thyroid blood test is available for fingerprick (microtainer) OR Phlebotomy collectionusing one of our many phlebotomy options across the UK, or you can even choose to arrange your own!

If you're unsure about how to access this test or how the procedure works please watch this short video.

Sample Collection Options for your Free T3 Test

Self Collect at Home

Free - Pay for Test Only

You can easily collect the blood required for our Free T3 Blood Test at Home by using one of our Finger-Prick Collection Kits.

About Fingerprick Collection

Visit a Partner Clinic

Adds £30 to your Kit Order

We have partnered with Superdrug Pharmacies and Circle Health Hospitals in order to provide you with Accredited Phlebotomy Services.

Find a Clinic

Nurse Home Visits

Adds £55 to your Kit Order

Let our Nurses come to your home or place of work - we cover Mainland England, Wales, Scotland and Northern Ireland. Fully Accredited .

Learn More

Do you have a question about Free T3? We aim to get back to you with an answer the same working day.

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Thyroid Premium Bronze
Quick view
£57.00
Number of Tests: 5
Est Turnaround Time: 1


This Enhanced basic check for Thyroid Health comes complete with Magnesium and Cortisol.

TSH, Free T4, Free T3, Magnesium, Cortisol





Thyroid Premium Silver
Quick view
£97.00
Number of Tests: 8
Est Turnaround Time: 2


The addition of Thyroid Antibodies enable the Testing and Monitoring of Thyroid Autoimmune Disease.

TSH, Free T4, Free T3, Magnesium, Cortisol

Total T4, Thyroid Peroxidase Antibodies, Thyroglobulin Antibodies



Thyroid Premium Gold
Quick view
£107.00
Number of Tests: 14
Est Turnaround Time: 2


More Thyroid and Related Biomarkers. Our most popular Thyroid Profile. Go for Gold!

TSH, Free T4, Free T3, Magnesium, Cortisol

Total T4, Thyroid Peroxidase Antibodies, Thyroglobulin Antibodies

Vitamin D (25-OH), Active Vitamin B12, Vitamin B9 (Folate), Ferritin, C-Reactive Protein.

Thyroid Premium Platinum
Quick view
£157.00
Number of Tests: 16
Est Turnaround Time: 17


All the Gold Biomarkers, Plus Reverse T3 and HbA1C for even more detailed health analysis

TSH, Free T4, Free T3, Magnesium, Cortisol

Total T4, Thyroid Peroxidase Antibodies, Thyroglobulin Antibodies

Vitamin D (25-OH), Total and Active Vitamin B12, Vitamin B9 (Folate), Ferritin, Serum Iron, TIBC, Transferrin Saturation, C-Reactive Protein

Reverse T3, HbA1c

Thyroid Resources

Navigating Hypothyroidism Diagnosis
Navigating Hypothyroidism Diagnosis
by Lyn Mynott, Thyroid UK
Thyroid Tests with Cortisol and Magnesium. The Blue Horizon Difference.
Thyroid Tests with Cortisol and Magnesium. The Blue Horizon Difference.
by Dr Graham Johnson
Thyroid Blood Tests - Fingerprick or Whole Blood?
Thyroid Blood Tests - Fingerprick or Whole Blood?
by Dr Graham Johnson
Testing for an Overactive or Underactive Thyroid
Testing for an Overactive or Underactive Thyroid
by Dr Graham Johnson
Quick and Reliable.

There's a reason that over 30% of Blue Horizon Kit requests are from patients that have used us before.

Blue Horizon Blood Test Reviews

⭐⭐⭐⭐⭐

Extremely efficient service from beginning to end. Procedure carried out quickly and efficiently. Results were very swift. Will be using again.

Lisa Underhill-Price
UK
⭐⭐⭐⭐⭐

Impressed with speed of despatch after ordering. Kit and instructions very easy to understand and follow. Posted back to lab Monday morning, results received Wednesday morning, Thanks, may well be back soon.

Paula Loftus
UK
⭐⭐⭐⭐⭐

As always, a superb service by all the BH team. Fast, efficient but very thoughtfuland caring of medical conditions, and associated patient mindset.. highly reccomended .cg

Chris Gomez
UK
⭐⭐⭐⭐⭐

Utterly patient, kind and helpful, kit arrived next day, as did my results. 5 stars well-deserved.

Dell Finniam
UK
⭐⭐⭐⭐⭐

Great service and product. The turn around is brilliant (mostly - there was a glitch during the early part of the Covid pandemic, but that seems to be resolved now). Tests are recognised by the medical profession so I am able to use the results to get the treatment I need without further tests.

Alexis Faulkner
UK
⭐⭐⭐⭐⭐

I had various questions which they answered via email/webchat and the timing of getting a kit, sending it back and getting the results was good.

Bruce Robins
UK

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