# How to track one biomarker over time in Health3

> From the latest Test Report to one biomarker across five test dates, with reference sources and a linked topic. A narrated 1:01 walkthrough with captions, chapters and a transcript.

*Source: [https://www.health3.app/videos/track-biomarker-over-time/](https://www.health3.app/videos/track-biomarker-over-time/)*

Published October 16, 2026Video guide, 1:01

From the latest Test Report to one biomarker across five test dates, with reference sources and a linked topic.

Narrated, real app screens with synthetic demo data. Captions available.

## Chapters

1. [0:00](https://www.health3.app/videos/track-biomarker-over-time/?t=0) From the dashboard to the Test Report
2. [0:16](https://www.health3.app/videos/track-biomarker-over-time/?t=16) Biomarkers tab and vitamin D
3. [0:27](https://www.health3.app/videos/track-biomarker-over-time/?t=27) Five test dates on one chart
4. [0:43](https://www.health3.app/videos/track-biomarker-over-time/?t=43) Reference sources and a linked topic

## What the video shows

A 61-second narrated walkthrough of the Health3 iPhone app with synthetic demo data: from the dashboard, the Test report card opens the latest report, and vitamin D (25-OH) is followed across five test dates, with the change since the previous result, cited reference sources and a linked health topic.

Written guide: [See your lab results across different test dates](https://www.health3.app/features/biomarker-trends/).

## Transcript

1. 0:00 In Health3, following one biomarker over time starts on the dashboard.
2. 0:05 Further down, the Test report card opens the report for the latest test.
3. 0:11 The overview summarises that test, here with 49 biomarkers.
4. 0:16 The Biomarkers tab lists every value from that test in one place.
5. 0:21 Each row opens a detail page, here for vitamin D, 25-OH.
6. 0:27 The chart plots every saved result for this biomarker, here across five test dates.
7. 0:34 Below the chart, the change since the previous result appears as a number, followed by the health topics linked to this biomarker.
8. 0:43 The References section lists the published sources behind the description.
9. 0:49 Each linked topic, such as Bone Health, opens a page that groups related biomarkers.
10. 0:56 Health3 is available on iPhone and Android.

## More video guides

- [How to import a lab report PDF into Health3](https://www.health3.app/videos/import-lab-report/) (1:10)
- [How to export lab results as a PDF or image in Health3](https://www.health3.app/videos/export-pdf-and-report-image/) (1:07)

[All Health3 video guides](https://www.health3.app/videos/)

Real Health3 iPhone screens with synthetic demo data and a synthetic narrator voice. Health3 organizes lab results; it does not interpret them or give medical advice. Some features require Premium.