Macros | Macronutrients | Nutrition | Get fit with Shubham
1. Carbohydrates: The Preferred Fuel
Carbs are your body's primary and most efficient energy source. Your brain, in particular, runs almost exclusively on glucose derived from carbohydrates.
Why you need them: They provide immediate energy for physical activity and brain function. They also help "spare" protein so your body doesn't have to burn muscle for fuel.
How much: Typically 45%–65% of your total daily calories.
Best Sources:
Complex (Fiber-rich): Oats, brown rice, quinoa, sweet potatoes, and legumes.
Simple (Quick energy): Whole fruits and dairy.
Note: Aim for "complex" carbs most of the time to avoid energy crashes.
2. Protein: The Building Blocks
Think of protein as the "structural" macro. It’s responsible for much more than just big muscles; it’s involved in every single cell in your body.
Why you need them: Protein is essential for tissue repair, immune function, hormone production, and maintaining lean muscle mass.
How much: Typically 10%–35% of your daily calories. (A common rule of thumb is roughly 0.8g of protein per kilogram of body weight for sedentary adults, and more for active individuals).
Best Sources:
Animal: Eggs, chicken, fish, lean beef, and Greek yogurt.
Plant: Tofu, lentils, chickpeas, seitan, and hemp seeds.
3. Fats: The Regulators
Fats often get a bad reputation, but they are vital for survival. They are the most energy-dense macro, providing 9 calories per gram (compared to 4 calories for carbs and protein).
Why you need them: Fats support cell growth, protect your organs, keep your body warm, and are required for the absorption of vitamins A, D, E, and K. They are also crucial for brain health and hormone regulation.
How much: Typically 20%–35% of your daily calories.
Best Sources:
Unsaturated (Healthy): Avocados, olive oil, nuts, seeds, and fatty fish (like salmon).
Limit: Saturated fats (fatty meats, butter) and avoid trans fats (processed fried foods).
4. The "Hidden" Macro: Water
While it doesn't provide calories, water is technically a macronutrient because you need it in large amounts to survive.
Why you need it: It regulates temperature, lubricates joints, and flushes out waste. Even mild dehydration can lead to brain fog and fatigue.
How much: A general guide is about 2.7 to 3.7 liters per day from all beverages and foods, but this varies heavily based on your activity level and climate.
Quick Comparison Table
| Macronutrient | Primary Function | Daily Caloric Goal | Calories per Gram |
| Carbohydrates | Energy & Brain Fuel | 45% – 65% | 4 kcal |
| Protein | Repair & Structure | 10% – 35% | 4 kcal |
| Fats | Hormones & Vitamin Absorption | 20% – 35% | 9 kcal |
Pro Tip: While tracking grams can be helpful for specific goals, for general health, focus on "Whole Food" sources. If your plate has a colorful vegetable (carbs), a palm-sized portion of meat or beans (protein), and a thumb-sized portion of healthy oil or avocado (fats), you’re usually right on track!
Comments
Post a Comment