The Insulin Playbook: Basal vs. Bolus & How to Fix Your Dosing

Welcome to The Diabetes Podcast! If you or a loved one takes insulin for type 2 diabetes, this episode is your ultimate masterclass. Amber and Richie dive deep into the mechanics of insulin dosing, moving beyond the basics to explain how insulin truly works as a medication within your body's complex system. Remember, elevated blood sugar is the output—the fever—not the disease itself.

In this episode, we explore why simply increasing your long-acting insulin might be the wrong move and how the "over-basalization trap" keeps you frustrated. We break down the critical difference between basal (background) and bolus (mealtime) insulin, and why relying on a reactive sliding scale often leaves you chasing high blood sugars. You'll also learn the essential math your doctor might not have taught you, including your Total Daily Insulin (TDI), the 1700 rule, and the 450 rule, so you can walk into your next appointment informed and confident.

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Episode Chapters:
00:00 - Welcome to the Insulin Playbook
01:00 - Why Your Insulin Doesn't Feel Like It's Working
04:00 - The Logic and Math Behind Insulin Dosing
07:00 - Job #1: Basal Insulin & Your Liver's Glucose Factory
11:45 - Job #2: Bolus Insulin for Mealtime Coverage
14:50 - What is Total Daily Insulin (TDI)?
18:30 - Weight-Based Dosing for Beginners
25:40 - The Over-Basalization Trap Explained
34:30 - The Military Analogy: Basal vs. Bolus
41:40 - Why Sliding Scales Keep You Chasing Highs
44:20 - Insulin Math: The 1700 Rule (Correction Factor)
49:30 - Insulin Math: The 450 Rule (Carb Ratio)
58:30 - The Airplane Analogy: Understanding Insulin Resistance
01:08:45 - 5 Red Flags Your Insulin Plan Isn't Working
01:16:15 - Real-World Insulin Options and Managing Costs
01:20:45 - The Diabetes Management Ladder
01:24:30 - Your 3-Day Total Daily Insulin Challenge

Disclaimer:

The information in this podcast is for educational and informational purposes only. It is not medical advice, diagnosis, or treatment, and it does not replace a one-on-one relationship with your physician or qualified healthcare professional. Always talk with your doctor, pharmacist, or care team before starting, stopping, or changing any medication, supplement, exercise plan, or nutrition plan—especially if you have diabetes, prediabetes, heart, liver, or kidney conditions, or take prescription drugs like metformin or insulin.

Results vary from person to person. Examples, statistics, or studies are shared to educate, not to promise outcomes. Any discussion of medications, dosing, or side effects is general in nature and may not be appropriate for your specific situation. Do not ignore professional medical advice or delay seeking it because of something you read or heard here. If you think you are experiencing an emergency or severe side effects (such as persistent vomiting, severe diarrhea, signs of dehydration, allergic reaction, or symptoms of lactic acidosis), call your local emergency number or seek urgent care right away.

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