The Study That Proves Pre-Bolusing Works | 15 Minutes, 50 Points | T1D

Today Neil stops saying "trust me" and starts saying "here's the study." A trial published in Diabetes Care found that dosing rapid insulin 15 minutes before a meal dropped the blood sugar peak to about 167, versus about 221 when dosing at the meal. That's a 50-point lower peak, from timing alone. Same dose, same food.

Then the twist that keeps you from getting weird about it: a second study in Diabetes Technology & Therapeutics found 20 minutes early won at the one and two-hour marks, but 30 minutes early did NOT beat 15. There's a sweet spot, usually 15 to 20 minutes for most people on regular rapid insulin, and your exact number is yours to find. This is the proof that this one small change is worth it.

In this episode:

The Diabetes Care study: 15 minutes early cut the peak by about 50 points
Why earlier isn't automatically better (the sweet spot explained)
The 15-to-20-minute window most people land in
How to start hunting for your own personal pre-bolus timing

This Week's Challenge: Get honest about your natural timing right now. When you sit down, are you dosing early, late, or mid-chew? Find your starting line.

Helpful resources and newsletter: https://yourbestt1dyear.com

Connect with Neil: TikTok: https://tiktok.com/@the.betes Instagram: https://instagram.com/thebetes Facebook: https://facebook.com/neilgreathouse LinkedIn: https://linkedin.com/in/neil-greathouse-a607b912 Website: https://yourbestt1dyear.com

Books on Amazon: Type 1 Diabetes – One Day at a Time: https://a.co/d/6UHooWJ Type 1 Diabetes – True Stories: https://a.co/d/dfIlyI1

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