Looks promising
I like everything about this app so far except for the fact that while I have switched to Imperial from Metric, all my goals are in Metric.
Free
In-App Purchases
About
This app supports individuals using GLP-1 medications by tracking protein intake, monitoring body composition, and providing personalized AI coaching. It helps users maintain muscle mass, manage side effects, and plan for life after medication, offering doctor-ready reports.
✓Protein-first food logging
✓Muscle retention tracking
✓AI-powered health coach
✓Body composition analysis
✓Medication dose cycle reminders
✓Doctor-ready PDF reports
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What's New in Sustain
1.0.2
October 19, 2026
• Choose your units: kg or lb, cm or ft/in, during setup or in Settings. • Change your medication and dose any time, including daily medications. • See what Sustain Pro includes right after setup. • Bug fixes and improvements.
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Subscriptions & In-App Purchases
Sustain Pro (Monthly)
AI coaching, photo food logging & body tracking.
$9.991 Month
User reviews
Developer apps
FAQ
What is Sustain?
Sustain is a nutrition companion app designed for people on GLP-1 medications. It helps users track protein intake, monitor body composition, and manage their health journey during and after medication use.
Does Sustain provide medical advice?
No, Sustain provides general wellness and nutrition guidance. It is not a substitute for professional medical advice, and users should always consult their healthcare provider regarding medication and dosing.
How does Sustain track food intake?
Sustain offers multiple logging methods including search, barcode scanning, photo recognition, voice input, and one-tap staples. It also features half-portion logging specifically for smaller appetites common with GLP-1 medications.
What is the Retention Score in Sustain?
The Retention Score in Sustain tracks how well users are protecting their results, particularly muscle mass. It includes a maintenance and off-ramp mode for users planning for life after their medication.
Can I export my data from Sustain?
Yes, Sustain allows you to export a clean PDF summary of your progress, which can be useful for sharing with your doctor during appointments.
What devices does Sustain support?
Based on the provided data, Sustain is currently supported on iPhone.
What are the subscription options for Sustain Pro?
Sustain Pro offers monthly and annual subscription plans. The monthly plan is $9.99, and the annual plan is $29.99, which includes a 7-day free trial.
How often is Sustain updated?
The latest version of Sustain was released on October 19, 2026, indicating recent activity. The app was initially released on October 3, 2026.
