The Open-D Blog
35 years of T1D lived experience. Written by the founder, for diabetics who are tired of generic advice.
What to Look for in Protein Powder for Type 1 Diabetes
Not all protein powders are safe for diabetics. Here's how to read labels, spot hidden sugars, and choose whey isolate over concentrates that spike blood glucose.
From 28% to 70-80% Time in Range: What Actually Changed
28% to 70-80% time in range. Not magic — just pattern fixing. Meals, lows, basal, exercise, sleep, and hormones.
Dexcom G7 vs Libre 3: The Integration Nightmare Nobody Talks About
We integrated both Dexcom G7 and Libre 3 into Open-D. One was easy. One was a bureaucratic nightmare. Here's the honest truth about APIs, update intervals, and why we had to build two completely different integration paths.
I Stopped Logging Meals (And My Glucose Got Better)
I stopped logging meals manually. My glucose got better. Here's what I do instead.
Why Walking Lowers Your Blood Sugar But Lifting Doesn't (The Science)
A 20-minute walk drops your glucose 50 points. An hour of heavy lifting barely moves it — or raises it. Here's the physiology behind exercise and blood sugar, and what every T1D athlete needs to know.
The 4 Types of Meals (And Why Your Insulin Timing Should Change)
'Take insulin 15 minutes before eating' is wrong for almost everyone. Different foods absorb at wildly different rates. Here are the 4 meal types every diabetic should know — and how to time insulin for each.
5 Diabetes Apps Tested in 2026 (One Actually Works)
I tested every diabetes app. Most failed. One surprised me. Here's the honest comparison — no sponsorships.
Intermittent Fasting with T1D: Is It Safe?
Skipping breakfast sounds simple. But for Type 1 diabetics, fasting triggers liver glucose release, false lows, and basal timing puzzles. Here's how to fast safely — and why your diabetes app probably doesn't support it.
Alcohol and Blood Sugar: The Delayed Low Explained
You check your glucose at midnight — 120, perfect. You wake up at 3am sweating, shaking, at 45 mg/dL. Here's why alcohol causes delayed lows, how to prevent them, and why your CGM app won't warn you in time.
Why Your CGM App Isn't Enough (What You're Missing)
Your Dexcom or Libre app shows beautiful charts. But it doesn't tell you what to DO. Here's why CGM data alone isn't diabetes management — and what actually moves the needle on your time in range.
Why Your Morning Blood Sugar Spikes (And How I Fixed Mine)
I woke up at 180+ every morning for years. One change fixed it. CGM data inside.
What is an AI Diabetes Agent? Open-D Explained
An AI Diabetes Agent is not an app — it's an intelligent companion that watches your glucose 24/7, learns your patterns, and warns you before problems happen. Open-D is the first true AI Diabetes Agent. Here's how it works.
Want to experience what AI-powered diabetes management actually looks like?
Apply for Beta AccessJoin the waitlist.