Why So Many Type 1 Diabetics Struggle to Lose Fat and Build Muscle

diabetes weight loss Aug 10, 2026

If you have Type 1 diabetes and you've struggled to lose fat or build muscle, there's a good chance the problem isn't that you don't know enough about nutrition.

Most people already know the basics. Eat enough protein. Control your calories. Exercise consistently. Get enough sleep.

The problem is that Type 1 diabetes can make doing those things consistently a whole lot harder.

I've been living with Type 1 diabetes since 2012 and coaching people with diabetes for more than a decade. One of the biggest things I've learned is that blood sugar control and body composition aren't two separate goals.

They're connected.

It's Hard to Lose Fat When You're Constantly Treating Lows

You can have the perfect calorie target written down, but it doesn't mean much when you're sitting at 3 a.m. eating because your CGM is screaming at you.

Low blood sugars don't care about your calorie deficit.

They have to be treated.

The problem is when lows happen frequently. Those extra carbs and calories start adding up, and suddenly maintaining the consistency required for fat loss becomes much harder.

This is why I don't think the answer is simply telling someone with Type 1 diabetes to "eat less."

If you're constantly having to eat to keep your blood sugar up, we need to understand why that's happening in the first place.

Is there too much insulin on board? Is your basal insulin too aggressive? Are you going low during or after exercise? Are you constantly correcting highs and creating another low a couple of hours later?

Fixing the pattern can make sticking to your nutrition much easier.

High Blood Sugar Can Make Building Muscle Harder Too

The other side of this is muscle building.

If your blood sugar is regularly running high, you're not creating the best environment for training, recovery, or muscle growth.

Insulin plays an important role in how the body uses and stores nutrients. When Type 1 diabetes is poorly controlled, especially when insulin is insufficient, the body can have a harder time making effective use of glucose and maintaining normal protein metabolism.

You can eat all the protein in the world, but you still need an environment where your body can train, recover, and actually use what you're giving it.

I'm not saying you need perfect blood sugars to build muscle. I've never had perfect blood sugar, and neither have my clients.

But better blood sugar stability makes the entire process easier.

Predictable Nutrition Makes Diabetes Easier to Predict

This is where my philosophy around nutrition is probably a little different.

I don't chase perfect nutrition.

I chase predictable nutrition.

When your meals, portions, food choices, and routines are constantly changing, you're constantly introducing new variables.

Different amounts of carbohydrate. Different amounts of fat. Different digestion rates. Different insulin requirements. Different timing.

And then we wonder why diabetes feels impossible to predict.

When food becomes more consistent, you can start seeing patterns.

You learn how certain meals affect you. You learn what your insulin is doing. You learn how your body responds at different times of the day. You start seeing what happens around exercise.

The goal isn't to eat the exact same foods for the rest of your life.

The goal is to create enough consistency that you can actually learn from what's happening.

That's when diabetes starts becoming less of a guessing game.

Most People Don't Have a Discipline Problem

I also think we need to stop pretending that everyone struggling with nutrition simply lacks discipline.

I've worked with plenty of extremely disciplined people who still struggle with food.

Sugar cravings are real. Carb cravings are real. Being hungry after treating a low is real. Being exhausted after fighting your blood sugar all day and wanting something easy at night is real.

Then there's the psychological side of constantly having to think about food because of diabetes.

Food isn't just food anymore. It's carbs, insulin, timing, arrows, exercise, corrections and the possibility of being high or low three hours from now.

After a while, that wears people down.

That's why telling someone to "just stick to your diet" isn't much of a strategy.

You need a system that makes consistency easier.

High. Low. Treat. Repeat.

Without some kind of structure, it's incredibly easy to get caught in the same cycle.

You eat. You go high. You correct. You go low. You treat the low. You rebound. Then you start the whole thing over again.

Meanwhile, you're trying to lose fat, build muscle, exercise, work, sleep and have an actual life.

This is exactly why I believe blood sugar control, body composition and quality of life need to be approached together.

Better blood sugar stability can make nutrition easier to follow. More consistent nutrition can make blood sugar easier to predict. Better predictability can make training easier. And when you're not constantly reacting to your blood sugar, the whole process takes up less space in your head.

That's the goal.

Not perfection.

Predictability.

Why I Wrote The Diabetic Fighter's 21-Day Transformation

This is exactly why I wrote my book.

I didn't want to give people with diabetes another collection of nutrition facts they already know.

I wanted to give them a roadmap.

The Diabetic Fighter's 21-Day Transformation  lays out the nutrition framework I've been using with my one-on-one clients for more than a decade. It's designed to give you structure around food, reduce some of the variables that make blood sugar difficult to manage, and help you build more consistency.

Because knowing what to do isn't always the problem.

Actually having a system you can follow is.

If your goal is to improve your blood sugar while losing fat, building muscle or simply feeling more in control of your nutrition, that's exactly what I created the book to help you do.

Chat soon!

Shawn

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