Understanding Macros: Protein, Carbs, and Fats
A beginner's guide to macronutrients and how they fuel your body.
"Macros" is short for macronutrients—the three primary categories of nutrients that give you energy (calories): Protein, Carbohydrates, and Fats. Balancing these is the secret to feeling energetic, building muscle, and losing fat.
Protein (4 calories per gram)
Protein is the building block of your body. It repairs tissues, builds muscle, and creates enzymes and hormones.
- Best Sources: Chicken, lean beef, fish, eggs, tofu, Greek yogurt, lentils.
- Pro-Tip: Distribute your protein evenly across meals (about 20-40g per meal) to maximize muscle protein synthesis.
Carbohydrates (4 calories per gram)
Carbs are your body's preferred and fastest source of energy, especially for your brain and muscles during intense workouts.
- Simple vs. Complex: Simple carbs (sugar, white bread) spike your blood sugar fast and leave you hungry. Complex carbs (oats, brown rice, sweet potatoes) digest slowly, providing steady energy.
- Fiber: A type of carb your body can't digest. It keeps your gut healthy and helps you feel full without adding calories.
Fats (9 calories per gram)
Fats are dense in calories but absolutely crucial for hormone production (like testosterone and estrogen), nutrient absorption (Vitamins A, D, E, K), and brain health.
- Healthy Fats: Olive oil, avocados, nuts, seeds, and fatty fish (salmon).
- Limit: Trans fats and excessive saturated fats.
How to Split Them?
There is no "perfect" macro split for everyone. A standard starting point is:
- 30% Protein
- 40% Carbs
- 30% Fats
Use our Macro Calculator to find the exact numbers tailored to your specific age, weight, and goals!