The Glucose Never Lies®
Science and lived experience
for type 1 diabetes
An independent education platform that translates complex diabetes science into clear, practical understanding. Built by clinicians and people living with type 1 diabetes, grounded in peer-reviewed evidence, and designed to help you explore how glucose really works.
Where to start
From foundations to self-discovery.
Two ways in; take them in either order.
The essential building blocks: insulin, carbohydrate, activity, CGM, and glucose patterns.
Go deeper. In-depth guides on IOB, CGM technology, AID systems, and exercise physiology.
Ask Grace
Grace is our AI education assistant for type 1 diabetes. Ask a question in plain words and Grace points you to the right guide and the evidence behind it. Grace explains and teaches; she does not give personal medical advice, which always stays with your care team.
Look for the Ask Grace button in the bottom right corner of every page, or read more about Grace.
Explore
Explore the platform.
Diabetes Foundations
The essential building blocks of type 1 diabetes, in plain language.
Explore the FoundationsGNL Guides
In-depth, evidence-graded guides on IOB, CGM technology, AID systems, and exercise physiology.
Browse the GuidesLived experience
Real accounts from people living with type 1 diabetes.
Explore the ResourcesAbout GNL
Who builds this, why it exists, and the disclaimer that governs everything here.
Meet the teamThe GNL Podcast
Latest episodes.
DICE 2026 Highlights
Highlights and key takeaways from the DICE 2026 conference.
Listen to Episode 42CGM Series Review and the Diabetech Conversation
Closing the CGM series, with a wide-ranging conversation on where diabetes technology is heading.
Listen to Episode 41Q1 2026 Quarterly Review
A look back at what changed across the first quarter of 2026.
Listen to Episode 38Get in touch