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A comprehensive venous blood test is needed to confirm the initial result, learn more about your health, and assess whether it’s safe to start treatment.

  • Venous collection by a healthcare professional
  • Checks liver, kidney & PSA levels to make sure you’re suitable for treatment

     

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    Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged.
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    Testimonials

    Their words, not ours

    As everyone is unique, we offer a range of ways to get you back to your best, from lifestyle changes and symptom relief to testosterone replacement therapy. 

    Simple Step

    How It Works

    Purchase blood test online

    Order online and get your test delivered to your address
    Purchase blood test online

    Take the test at home or book a clinic

    If using our finger-prick test, simply follow the included step-by-step instructions. If you choose a venous draw, you can arrange this yourself or visit one of our sites across UK.
    Take the test at home or book a clinic

    Send your sample back

    Use the pre-paid envelope included in your kit to return your sample to our laboratory
    Send your sample back

    Receive your result in 48 hours

    After your sample has been analysed, your results will be uploaded to your portal. You will receive clear explanations for each marker, helping you understand your results and if you are a candidate for TRT.
    Receive your result in 48 hours
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    Who We Are

    Testify4Life is a health technology company dedicated to improving personal wellbeing through at-home diagnostic testing and clear medical insights.

    What We Do

    We provide home diagnostic test kits that help you understand key aspects of your health. Each test is designed with precision and backed by certified laboratory analysis.

    Convenient Home Testing

    Our blood test accurately measures your total and free testosterone levels, along with additional health markers.

    Clear diagnostics

    Our blood test accurately measures your total and free testosterone levels, along with additional health markers.

    Ethical treatment

    Our blood test accurately measures your total and free testosterone levels, along with additional health markers.

    Real results—without hype

    Our blood test accurately measures your total and free testosterone levels, along with additional health markers.

    FAQS

    Have questions? We're here to answer.

    How do at-home blood tests work?

    Getting your blood tested used to mean booking an appointment, sitting in a waiting room, and waiting days for results. With testify4life, the lab comes to you — and the answers come faster.

    Your kit arrives at your door with everything you need: a small lancet, collection tubes, prepaid return packaging, and clear step-by-step instructions. The whole process takes about 5 minutes.

    How long does it take to get my results?

    Results in 2–3 working days.From your post box to your inbox — fast, accurate, and doctor-reviewed every time.

    How accurate are Biosensitive tests?

    Bio sensitive tests are designed to match the accuracy of traditional clinical blood tests, and in many cases they're even more precise. Every sample you send us is analysed at a UKAS-accredited laboratory (ISO 15189 certified) — the same quality standard required of NHS hospital labs. The analysers, reagents, and clinical methods used are identical to those your GP would rely on, and every batch is calibrated daily against international reference standards.

    The science behind capillary blood testing — the small finger-prick sample you collect at home — is well-established. For the hormones, vitamins, and biomarkers we measure, peer-reviewed studies have shown capillary samples produce results that closely match venous blood draws when collected and stored correctly. That's why over a million people in the UK now use at-home tests every year, and why GPs and private clinics increasingly accept these results for clinical decision-making.

    To ensure your results are reliable, we use highly sensitive assay methods specifically validated for small-volume samples, ship your kit with stabilising agents that preserve the sample during transit, and reject any sample that doesn't meet our quality threshold — sending you a free replacement kit if needed. Every result is then reviewed by a UK-registered doctor before being released to you, so you receive not just accurate numbers but a meaningful interpretation of what they mean for your health.

    Do you offer tests for weight loss or GLP-1 treatment monitoring?

    Yes — we offer dedicated blood test panels for GLP-1 medications and weight loss journeys.Whether you're starting Ozempic, Wegovy, or Mounjaro, our tests check the markers your clinician needs to keep you safe and on track.