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.
Every guide ends with a quiz, and a score of 9 out of 10 earns a certificate.
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. When a foundation feels solid, a short quiz lets you prove it to yourself; nine right out of ten earns a certificate you can keep.
Explore the FoundationsGNL Guides
36 guides across foundations, technology and life with Type 1. Each one ends with a ten-question knowledge check, and 9 out of 10 earns a certificate you can keep.
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.
Tandem Control-IQ+ and Mobi, with Laurel Messer
The AID series opens: correction factor as the lever, what Control-IQ+ changes, and the matchbox sized Tandem Mobi.
Listen to Episode 43DICE 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 41Get in touch