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

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

Why Food Beats Insulin to the Finish Line | Pre-Bolus Science, T1D

Half the planet is watching the World Cup, so Neil explains the mechanism of the post-meal spike in soccer terms. Your food is the striker, already past the defense. Your insulin is the defender who got subbed in late and is still jogging back. That mismatch is the entire reason you spike. This is the "how it works" episode. Regular rapid-acting insulin takes about 15 minutes to start, peaks around an hour, and lasts three to four hours. Your dinner carbs hit your bloodstream almost immediately. Dose them at the same time and the food scores before the insulin is even in the game. The fix is simply to put your insulin in first, so they arrive together and your CGM line stays flat and boring, which in type 1 is the dream. In this episode: * How fast rapid-acting insulin actually works vs. how fast carbs hit * The pharmacokinetics of insulin timing, in plain English * Why a "flat and boring" CGM is the whole goal * How pre-bolusing matches your insulin to your food This Week's Challenge: Keep watching the gap between your dose and your first bite at dinner, and now you know what it means. Every minute your insulin is behind, the food is on a breakaway. 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]

Pre-Bolus with @bolusandbiceps | Amanda Mueller

Everybody with type 1 diabetes knows they should pre-bolus. Almost nobody actually does it. In this episode, Amanda Mueller (@bolusandbiceps), certified personal trainer and T1D coach, breaks down why insulin timing is not a willpower problem... and how to fix it one meal at a time. Amanda was diagnosed with type 1 diabetes at 24 after landing in the ICU with DKA and a blood sugar over 1,000. She spent years checked out from her diabetes before strength training brought her back. Now she coaches women with T1D on exercise, insulin timing, and the hormone-blood sugar connection almost nobody talks about. We cover pre-bolus timing, fear of hypoglycemia, exercising after insulin, closed-loop pumps and why the algorithm doesn't save you at mealtime, and what to do when the food shows up late. Part of The Head Start pre-bolus challenge. What We Cover * Getting diagnosed with type 1 diabetes as an adult (and why it hits different at 24) * The DKA story: phantom baked-goods smell, the ICU, and a blood sugar over 1,000 * Diabetes burnout and the years Amanda disassociated from her T1D * How strength training rewired her relationship with the disease * Why she coaches women with T1D specifically (hormones, cycles, and insulin) * Pre-bolusing 101: what it is and why timing beats math * The research: dosing 15 minutes early can cut post-meal spikes by about 50 points * Fear of going low: the real reason your bolus is late * Pre-bolusing before exercise without crashing mid-workout * Strength training vs. cardio and what each does to blood sugar * Closed-loop pumps (Tandem Mobi): why you still need to pre-bolus on an algorithm * What to do when the restaurant food runs late (hint: it's not failing, it's adapting) About Amanda Mueller Amanda Mueller is an ISSA Certified Personal Trainer, Corrective Exercise Specialist, and Nutrition Coach living with type 1 diabetes since her diagnosis at age 24. Through Bolus & Biceps, she coaches women with T1D on strength training, insulin timing, and blood sugar management around exercise and hormones. Follow Amanda // Instagram: @bolusandbiceps [https://www.instagram.com/bolusandbiceps/] 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

The Simple Fix for Post-Meal Spikes in Type 1 Diabetes

SHOW NOTES: We’ve spent a week and a half in the problem, the spike, the loop, the fear. Today the sun comes out. Neil turns the corner to the fix, and it’s almost annoyingly simple: your food is fast and your insulin is slow, and when they start at the same time, the food wins the first hour. The fix isn’t more insulin or better carb counting. It’s timing. You give the insulin a small head start so it’s awake by the time the food arrives. Same dose, same dinner, different clock. That’s the whole name of the challenge, The Head Start. Neil keeps the science for next week and instead leaves you with hope: the early low you’ve been afraid of is a timing-and-preparation problem, and those can be solved. In this episode: * The one-sentence reason you spike after meals * Why the fix is timing, not more insulin or new gear * What “The Head Start” actually means for your dinner * Why the fear of the early low is a solvable problem This Week’s Challenge: Notice the GAP. How long between when you dose and your first actual bite at dinner? For a lot of us, it’s zero. Just clock it. 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]

Every Reason You Don't Pre-Bolus (and why they're all valid)

SHOW NOTES: Here’s the quiet part said out loud: the reason you don’t pre-bolus is not that you’re lazy or that you don’t care. It’s that it scares you. Neil names the specific fear at the center of the whole challenge, the fear of going low before the food arrives, and tells you the truth, 34 years in, it still scares him too. This is the episode nobody put in the pamphlet. The pamphlet says “pre-bolus 15 minutes before your meal” and leaves you alone with the little spike of panic when the arrow turns down and the food isn’t ready. Neil validates that fear completely, because it’s not a character flaw, it’s your survival brain doing its job. And then he promises what’s coming: not pretending the fear away, but out-preparing it. In this episode: * The fear of hypoglycemia and why it stops us from pre-bolusing * Why that fear is normal, rational, and not a personal weakness * What the pamphlets never tell you about insulin timing * How we’re going to face the fear instead of ignoring it This Week’s Challenge: The next few times you decide NOT to pre-bolus, catch yourself and notice what you’re feeling. Fear? Forgetting? No time? Just get honest about it. 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]