How to Export Blood Glucose Data from Apple Health

Apple Health records every blood glucose reading your iPhone receives — whether from a Dexcom or FreeStyle Libre CGM, a connected meter like the Contour Next One, logging apps like mySugr or One Drop, or manual fingerstick entries. But when your endocrinologist, diabetes educator, or primary care physician asks for your glucose history, getting that data out in a usable format is not straightforward.

This guide shows you how to export your blood glucose readings (in mg/dL or mmol/L, depending on your locale) as a clean PDF or CSV file using vitalina, a free iPhone app that reads your Apple Health data and generates doctor-ready reports in under two minutes.

Why Apple Health's built-in export does not work for blood glucose

Apple Health does let you export your data as XML, but the result is a single file containing every health data point your iPhone has ever recorded. There is no way to filter by metric, so your glucose readings are buried alongside steps, sleep, nutrition, and everything else. There is also no date range control — you cannot ask for just the last three months of readings to bring to a quarterly endocrinologist visit. The file is not readable by a human, and there are no charts, time-in-range summaries, or trend lines.

Apple doesn't hand you the XML directly either. You get an Export.zip archive that you have to unzip on a computer. Inside is a folder called apple_health_export, and the full Export.xml sits inside it alongside supporting files. For long-time Apple Watch users that XML can easily reach 2.9 GB — 11 years of continuous health data in one file.

If you wear a CGM, the file grows fast. Dexcom and FreeStyle Libre record a reading every 1–5 minutes — thousands of data points per day. Even a few months of glucose data turns the full export into something you cannot realistically email to your doctor or skim before an appointment.

vitalina solves this by reading your Apple Health data locally on your iPhone and letting you export just your blood glucose data — for any date range you choose — as a PDF or CSV.

What you'll need

• An iPhone running iOS 16 or later
• Blood glucose readings recorded in Apple Health (from a CGM, connected meter, logging app, or manual fingerstick entries)

Step 1: Download vitalina

Download vitalina from the App Store. It's free to use with no account or sign-up required.

Step 2: Allow access to Apple Health

When you first open vitalina, tap Allow Health Access and confirm the permissions in the Apple Health prompt. vitalina only requests read access — it cannot modify or delete your health data.

Your data never leaves your device. vitalina processes everything locally on your iPhone with no cloud uploads, no tracking, and no analytics — especially important for sensitive diabetes data.

Step 3: Tap the "Blood Glucose for Doctor" quick export

On the main screen, you'll see a set of one-tap Quick Export templates. Tap Blood Glucose for Doctor to start an export pre-configured for clinical use — blood glucose selected, PDF format, ready to go.

If you prefer full control over the date range and format, tap Create Custom Export instead. The rest of this guide walks through the custom export flow.

Step 4: Confirm blood glucose is selected

In a custom export, you'll see all available health metrics grouped by category. Under Vitals, select Blood Glucose. Values are exported in mg/dL or mmol/L based on your locale, matching how they appear in the Apple Health app.

You can also add related metrics at this step — for example Carbohydrates, Insulin Delivery, or Body Weight — if your endocrinologist or diabetes educator wants the fuller picture for insulin dosing adjustments or gestational diabetes monitoring.

Step 5: Pick a date range

This is where vitalina makes a real difference over Apple's native export. You can choose exactly how far back to go:

• Last 7 days and Last 14 days — available for free
• Last 30 days, 3 months, 1 year, and All time — available with vitalina Pro
• Custom date range — pick any exact start and end date with Pro

For quarterly endocrinologist appointments or to supply the daily data behind an A1C lab result, the 3-month and 1-year ranges are usually what you want. The Pro upgrade is a one-time purchase that unlocks all extended date ranges.

Step 6: Choose your export format

For blood glucose, two formats are most useful:

• PDF: The best format for doctor appointments. Includes a trend chart of your readings over time, a time-in-range summary, and a full table of readings with timestamps. Your endocrinologist, diabetes educator, or GP can read it without any technical knowledge. You can email it, AirDrop it, or print it before your appointment.
• CSV: Opens in Excel or Google Sheets, and imports cleanly into tools like Glooko or your own spreadsheet. Ideal if you or your care team wants to do custom analysis or combine the data with carbs, insulin, or exercise logs.

Both formats are available for free.

Step 7: Tap "Export Now"

Tap Export Now. vitalina reads your blood glucose data from Apple Health, formats the export, and generates your file — usually within a few seconds, even for a full year of CGM readings.

Step 8: Share with your doctor

Once your export is ready, you'll see a full preview of the file. From here, tap Export to open the iOS share sheet, where you can:

• Email it to your endocrinologist, diabetes educator, or primary care physician before your appointment
• AirDrop or share via Messages to anyone nearby
• Save to Files on your iPhone or iCloud Drive
• Print a physical copy to bring to the clinic

Which devices and apps sync blood glucose to Apple Health?

vitalina exports any blood glucose readings stored in Apple Health, regardless of where they came from. This includes:

• Dexcom CGMs — G6 and G7 via the Dexcom app
• FreeStyle Libre — Libre 2 and Libre 3 via the LibreLink app
• Contour Next One — meter readings via the Contour Diabetes app
• One Drop — readings logged in the One Drop app
• Glucose Buddy — readings logged in Glucose Buddy
• mySugr — readings logged in the mySugr diabetes logbook
• Smart insulin pens — pens that log dose and meal data alongside glucose
• Manual entries — fingerstick readings entered by hand in the Health app

If the reading appears in Apple Health under Vitals → Blood Glucose, vitalina can export it — whether you're managing Type 1, Type 2, gestational, or pre-diabetes.

How much does vitalina cost?

vitalina is free with 5 unique exports and date ranges up to 14 days. vitalina Pro is a one-time purchase (no subscription) that unlocks unlimited exports, extended date ranges up to all time, and Shortcuts automation. Re-exporting the same configuration is always free.

Download vitalina free on the App Store →

Frequently asked questions