Module 5 of 14

WEEK 4

Mastering Macronutrient Balance

Week 4 | Putting It All Together

You now have all three macros in your toolkit: protein, carbohydrates, and fats. Week 4 is about precision—learning how they interact, how to balance them for your specific goals, and how to eliminate the refined sugars that have been quietly working against everything you are building.

REFLECTION ON WEEK 3

Looking Back Before Moving Forward

Last week you explored dietary fats—the healthy sources that enhance metabolism and the industrial ones that disrupt it. Before we move forward, take stock of what you learned.

Guided Reflection

What did you learn about the fats in your diet this week?

  1. Did you make any changes to your cooking oils or fat sources?
  2. Were you surprised by what you found on ingredient labels?
  3. How did adding a quality whole-food fat source affect your satiety and energy?

THE LESSON

How the Three Macros Work Together

Protein anchors every meal. It stabilizes blood sugar, drives satiety, and preserves lean tissue.

Carbohydrates provide fuel—but only clean, whole-food sources earn a prominent place. Processed carbs undercut everything else.

Fats provide sustained energy, support hormones, and slow digestion so meals last longer and energy stays stable.

Macronutrient Approaches — How They Compare

High Carb, Low Fat (USDA Model): 50–60% carbs, 20–30% fat, 10–20% protein. Best for endurance athletes with high glycogen demands. Limitations: over-reliance on refined carbohydrates spikes insulin and promotes fat storage.

High Fat, Low Carb (Ketogenic): 70–80% fat, 10–20% protein, under 10% carbohydrates. Best for those seeking metabolic flexibility. Limitations: difficult to sustain; may create micronutrient gaps.

The Zone Diet (40-30-30): 40% carbohydrates, 30% fat, 30% protein. Best for functional fitness athletes. Limitations: requires careful portioning; carbohydrate intake may still be high for those with insulin resistance.

Protein-Prioritized (Higher Protein, Moderate Fat, Lower Carb): 40–50% protein, 30–40% fat, 10–20% carbohydrates. Best for strength athletes and body-composition-focused individuals.

WHY IT MATTERS

Eliminating Refined Sugar — The Non-Negotiable

Refined sugar—sucrose, dextrose, high-fructose corn syrup—is the macro saboteur. High-fructose corn syrup in particular drives insulin resistance, liver fat accumulation, and metabolic dysfunction faster than almost any other dietary factor. This week, it goes.

Signs Your Macros May Need Adjusting

  • Constant hunger: You may need more protein or dietary fiber.
  • Energy crashes: Your fat intake may be too low, or your carbohydrate sources too refined.
  • Brain fog: Consider adjusting carbohydrate intake or increasing omega-3 fats.
  • Stalled progress: Tracking macros for a few days often reveals where adjustments are needed.

YOUR TASK

This Week's Challenge

  • Track one complete day of eating and compare your macros against your current goals.
  • Eliminate all refined sugar for the week—read labels and remove anything containing sucrose, dextrose, or high-fructose corn syrup.
  • Make one intentional shift: increase protein, improve carbohydrate quality, or upgrade fat sources.
  • Week 4 Live Check-In: Thursday at 10 AM – Join via Google Meet.

The Metabolic Mastery Team | CrossFit Santa Cruz