Thyroid Function Blood Test (TSH, Free T3, Free T4)
Thyroid Function Blood Test (TSH, Free T3, Free T4)
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Your thyroid is a small, butterfly-shaped gland that acts as the master control center for your entire metabolism. It produces vital hormones that dictate exactly how your body uses energy, regulates temperature, manages weight, and maintains your mood. When your thyroid is sluggish (hypothyroidism) or overactive (hyperthyroidism), it can manifest as unexplained weight gain or loss, persistent exhaustion, constant feeling of cold or heat, thinning hair, and brain fog.
Standard medical checks often only screen for TSH (Thyroid Stimulating Hormone), which frequently misses the full clinical picture. Our At-Home Thyroid Function Blood Test Kit delivers a comprehensive overview of your hormonal health by measuring the three most critical thyroid markers simultaneously: TSH, Free T3 (FT3), and Free T4 (FT4). By looking at both the stimulating hormone and the active thyroid hormones circulating in your blood, this profile lets you see exactly how well your thyroid gland is performing.
How to complete your thyroid test from home: Monitoring your metabolic health is completely private and straightforward. There is no need to queue at a clinical center or wait weeks for an appointment slot.
Your discreetly packaged testing kit includes everything you need: sterile finger-prick lancets, sample collection tubes, simple step-by-step instructions, and a prepaid UN3373 priority envelope. Simply collect a few drops of blood first thing in the morning and post it directly back to us using any standard mailbox.
Every sample is handled and processed inside our in-house, CQC-regulated UK laboratory to ensure absolute hospital-grade accuracy. Within 1 to 3 working days of your sample reaching our facility, your final quantitative results will be securely uploaded to your private digital dashboard, featuring clear visual ranges and commentary.
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How it works
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Order kit
Order the kit that you want based on what you want to be tested. We ship all orders placed before 1pm same day.
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Collect your sample at home
Collect your own sample using a simple finger prick. Everything you need will be included in the kit.
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Send your sample to the lab
Simply drop in any red letter box. No need to arrange for courier pickup or pay for returns. Remember to register online using the unique sample ID to get your results.
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Receive results
We will analyse your sample and send you results by email within 24-48 hours. A copy can be sent to your GP/surgery if you wish.
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