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October 8, 2025

Stop Fearing Carbs: Why You Actually Need Them

I hear it all the time:

“That food has too many carbs.”

But here’s the truth: if you’re not even tracking your macronutrients, how do you know what “too many” really means?

Carbohydrates have become one of the most misunderstood and unfairly criticized nutrients in the fitness and nutrition world. Somewhere along the way, carbs turned into a villain, blamed for weight gain, fatigue, and bloating. But let’s set the record straight. Carbs are not the enemy.

What Carbs Actually Do for Your Body

Carbohydrates are your body’s preferred energy source. When you eat carbs, your body breaks them down into glucose, which fuels your brain, muscles, and every cell in your body. If you work out regularly—whether it’s lifting weights, running, or doing Pilates—carbs are what help you push harder and recover faster.

Without enough carbs, your body starts to break down protein (muscle tissue) for energy. That’s the last thing you want if you’re trying to build strength, tone up, or improve performance.

The Real Problem: Processed Carbs, Not Carbs Themselves

When people say “carbs make you fat,” what they’re usually referring to are refined carbs like pastries, chips, soda, or sugary cereals. These are stripped of fiber and nutrients, causing blood sugar spikes and crashes that leave you hungry and tired.

Whole, unprocessed carbs such as sweet potatoes, oats, fruits, vegetables, and whole grains are nutrient-dense and packed with fiber. They digest more slowly, keep you full longer, and stabilize your energy levels throughout the day.

How Much Is “Too Many”?

This is where context matters. The right amount of carbs depends on your activity level, metabolism, and overall goals. Someone doing strength training five days a week needs far more carbohydrates than someone who sits at a desk all day and doesn’t exercise.

A general rule of thumb for active people is to get around 45–55% of your total daily calories from carbohydrates. But again, these numbers mean nothing unless you’re actually tracking your macronutrients.

Eliminate the Guesswork

Instead of guessing how many carbs you’re eating, use a tracking tool to get real data. I personally use the free version of an app called Nutritionix, which makes it simple to log your meals and see exactly how much protein, carbs, and fat you’re eating each day.

Once you start tracking consistently, you’ll learn how different foods fit into your daily goals and how your body responds to various carb levels. It removes the confusion and helps you make smarter nutrition choices.

Why Cutting Carbs Can Backfire

Going ultra-low-carb might help you drop water weight quickly, but it’s not sustainable for most people. Your workouts will suffer, your energy will tank, and you’ll likely find yourself craving sugar or overeating later on.

Instead of cutting carbs, focus on choosing the right ones and pairing them with protein and healthy fats for balance.

For example:

  • Swap white rice for quinoa or brown rice.
  • Choose oats or sweet potatoes instead of processed breakfast bars.
  • Eat fruit instead of drinking fruit juice.

Understanding Carbohydrates

Carbohydrates are essential for energy, performance, recovery, and brain function. The goal isn’t to eliminate them, it’s to understand them.

So the next time you hear someone say, “That has too many carbs,” remember this: the number only matters if you’re tracking your nutrition and your carbs come from the right sources.

Fuel your body. Don’t fear your food.

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About the author 

Rob

Robert Renaud is a Certified Personal Trainer by the National Academy of Sports Medicine. He is a lifelong athlete both in soccer and the sport of triathlon with countless finishes at the Olympic, Half Ironman and Ironman distances. He is an avid runner, cyclist, wellness advocate, and entrepreneur.

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