Published on July 30, 2026
You've probably heard the term "macros," but what does it actually mean? Macronutrients are the three main categories of nutrients that your body needs in large amounts to function: protein, carbohydrates, and fats. Understanding their roles is fundamental to building a healthy diet.
Think of protein as the building block for your body. It's essential for repairing tissue, building muscle, and creating enzymes and hormones. It also helps you feel full and satisfied after a meal.
Sources: Meat, poultry, fish, eggs, dairy, legumes, tofu, and nuts.
Carbohydrates are your body's primary source of energy. They are broken down into glucose, which fuels everything from your brain to your muscles during a workout. Complex carbs (like whole grains and vegetables) provide sustained energy, while simple carbs (like sugar) provide a quick burst.
Sources: Fruits, vegetables, grains (bread, pasta, rice), potatoes, and legumes.
Fats have gotten a bad rap, but they are crucial for health. They support cell growth, protect your organs, and help your body absorb essential vitamins (like A, D, E, and K). Healthy fats, like those found in avocados and olive oil, are vital for hormone production and brain health.
Sources: Avocados, olive oil, nuts, seeds, and fatty fish (like salmon).
A balanced intake of all three macronutrients is key to a healthy diet. The right ratio for you depends on your goals, activity level, and individual body. By tracking your macros, you can ensure you're giving your body the right fuel mix to feel and perform its best.
Day of Eating automatically estimates the protein, carbs, and fat in your meals, taking the complexity out of macro tracking.
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