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Blood work

Your blood tests, in one place

Blood work sits inside Enhancements. Add a lab report and 3Lite reads the results for you to check, keeps every test together, and shows how each marker has moved, always against your own lab's ranges.

Replaces the PDFs and screenshots you keep now. Part of one app, for one subscription.

  • Upload a PDF or photo, paste or type
  • Your lab's own reference ranges
  • Compare tests and chart each marker
The 3Lite Blood work overview with results outside the lab's range and changes since the last test
The 3Lite Blood work overview with results outside the lab's range and changes since the last test, on a phone

Blood work, with sample results. Screens show sample data.

How it works

Blood work, step by step

  1. 01

    Agree once

    Blood results are health information, so 3Lite asks for your agreement before your first report.

  2. 02

    Add a report

    Upload a PDF or a photo of it, paste the text, or type results in. Up to 5 uploaded reports a month.

  3. 03

    Check what was read

    3Lite reads out each result, unit and range for you to check and correct before anything is saved.

  4. 04

    Track and compare

    See what's outside the lab's range, what's changed since your last test, and each marker's trend over time.

  • Total testosterone over four tests in 3Lite, charted against the lab's range

    One marker over time

  • Two blood tests compared side by side in 3Lite

    Compare two tests

Key features

What you get, and why it helps

Your lab's ranges, not ours
Within, above and below use only the range printed on your own report. No range, and 3Lite says so rather than inventing one.
Changes worked out exactly
Changes between tests are calculated after converting units where that's reliable, with a note when labs or units differ.
What each marker measures
Plain-English explainers written from NHS, Lab Tests Online UK and Society for Endocrinology pages, linked on each marker.
Yours to keep or delete
Download your results with the rest of your data, or delete a test, a report or everything at any time.

The numbers

Why it matters

Research and official figures behind this part of 3Lite. See all the numbers.

  • +52%

    Testosterone items dispensed in the community in England rose by 52% between 2020/21 and 2024/25 (NHS prescriptions only).

    Source: The Pharmaceutical Journal, 2026

  • 48%

    of UK adults track their exercise, 30% their weight or diet and 22% their sleep.

    Source: YouGov, 2024

  • 88%

    of more than 15,000 free health apps studied contained code that could access, and potentially share, personal data.

    Source: The BMJ (Tangari et al.), reported by News-Medical, 2021

Good to know

  • Blood work keeps a record and explains what each marker measures. It doesn't diagnose anything, and a result inside the range doesn't guarantee good health.
  • 3Lite never links a supplement or enhancement to a result, and never suggests doses or changes. Talk to your GP or prescriber about your results.
  • Uploaded reports are read by Anthropic, our AI provider, only to pull out the results for you to check. It doesn't use them to train its models.

FAQ

Blood work questions

More in the full FAQ.

Where is Blood work in 3Lite?

Inside Enhancements, which you switch on in My Profile. Blood work then asks for your agreement before your first report.

Will 3Lite tell me what my results mean for me?

No. It shows whether a result is inside your lab's own range and how it has changed, and explains what each marker measures. Your GP or prescriber can tell you what it means for you.

Which reports can I add?

Any lab report: upload a PDF or photo, paste the text, or type the results. You check everything 3Lite reads before it's saved.

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