Unlocking the Protein Paradox: How to Fuel Your Performance Phase Without Sacrificing Carbs

Poppy Hawe
4 minutes ago
4 min read

If you’ve moved from dieting or tracking calories to training hard, you might be stuck in a common trap: treating your performance phase like a diet phase. Many active women believe that eating high protein is the safest way to fuel their bodies, but this approach often leaves no room for carbs. The result? You end up calorie loading on protein, not carb loading, which can hold back your performance and energy.

Let’s unpack why protein became the “safe macro,” why that creates a new problem, and how you can balance your intake to support your training and recovery without sacrificing the carbs your body needs.

Why Protein Became the Safe Macro and What That Means

Protein has long been hailed as the hero of dieting. It supports muscle repair, promotes satiety, and helps preserve lean mass during calorie restriction. Because of this, many women coming from a dieting background default to eating very high protein, even when they shift into a performance phase.

Here’s the catch: protein and carbs both provide 4 calories per gram. If you keep protein high—say 160 grams on a 1,600 calorie diet—you’re left with very little room for carbs. This isn’t carb loading; it’s calorie loading on protein. Your body needs carbs for energy, especially when training hard.

Protein and Carbs in Different Training Phases

Your nutrition needs change depending on your training phase. Here’s a simple framework:

Diet Phase: Protein intake should be between 1.6 and 2.2 grams per kilogram of body weight, leaning toward the higher end to preserve muscle.
Endurance/Performance Phase: Carbs become the priority to fuel longer or more intense sessions. Protein stays consistent but should not dominate your calorie intake.

This means you don’t need to increase protein as you increase training volume. Instead, shift calories toward carbs to support energy demands.

Portion Reality Check: What Does 25-35 Grams of Protein Look Like?

It’s easy to overestimate how much protein you’re eating. For example:

Two large eggs provide about 12-14 grams of protein, which is not a high-protein meal.
A portion of 25-35 grams of protein might look like:

- 3 large eggs

- 150g chicken breast

- 200g Greek yogurt

- 1 scoop of whey protein powder

Understanding portion sizes helps you balance your meals better and avoid overloading on protein at the expense of carbs.

The Power of a High Protein Breakfast

Starting your day with a high protein breakfast is one of the most effective changes you can make. It helps:

Reduce cravings later in the day
Stabilize energy levels
Decrease evening bingeing
Quiet food noise within days, not weeks

This domino effect sets the tone for better food choices throughout the day. A breakfast with 25-35 grams of protein could be eggs with whole grain toast or Greek yogurt with nuts and berries.

Protein Timing and Training

Protein slows gastric emptying, which means it keeps you feeling full longer. This is great for satiety but not ideal before high-intensity cardio sessions. For example:

Before strength training: A high protein meal or snack is fine.
Before hard runs or HYROX events: Prioritize carbs first to fuel performance.

Adjust your protein timing based on your workout type to get the best results.

Managing Hunger in the Luteal Phase

The luteal phase of your menstrual cycle often brings louder hunger signals. Keeping breakfast high in protein during this time can anchor your blood sugar and satiety, making the whole phase feel more manageable.

This practical approach helps reduce cravings and supports consistent energy levels when your body needs it most.

Special Considerations for Runners

Women from dieting backgrounds who keep protein very high without increasing carbs may risk Relative Energy Deficiency in Sport (RED-S), even if their calorie intake seems adequate. This happens because the fuel source is not optimal for endurance performance.

On the other hand, endurance athletes sometimes lose their appetite for protein and end up calorie loading on simple carbs without realizing it. Both extremes can negatively affect performance and recovery.

Protein Sources and Pairing Tips

Rehabilitating red meat in your diet can be beneficial for iron and protein. For plant-based eaters, pairing protein sources like beans with grains or nuts with seeds ensures you get a complete amino acid profile.

A simple nut and seed jar hack: keep a mix of almonds, pumpkin seeds, and sunflower seeds handy for a quick protein and fat boost that pairs well with carbs like fruit or whole grains.

A Simple Framework to Balance Protein and Carbs

Include protein at every meal, especially breakfast.
Adjust protein intake by training phase.
Time protein intake around your workouts for best results.
If you struggle with food noise or evening cravings, start by improving your breakfast.

This approach helps you fuel your performance phase without sacrificing the carbs your body needs to thrive.

Balancing protein and carbs is not about cutting one to favor the other. It’s about understanding your body’s changing needs and fueling it accordingly. Start with breakfast, adjust by phase, and listen to your hunger cues. Your performance and energy will thank you.