🍎 Understanding Macronutrients: Proteins, Carbs, and Fats Explained

When tracking your meals or using a calorie counter, you’ll often see macronutrient information alongside calorie counts. But what do these numbers mean, and why do they matter? Let’s break it down.

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🥩 What Are Macronutrients?

Macronutrients are nutrients your body needs in large amounts for energy and proper functioning. They include:

✅ Proteins – Build and repair tissues. Sources: meat, beans, lentils, dairy.
✅ Carbohydrates – Your body’s main energy source. Sources: grains, fruits, vegetables.
✅ Fats – Support hormones and cell health. Sources: nuts, oils, fatty fish.

(Source: NHS UK)

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🔥 How to Read Macronutrient Data

If your meal contains:

• 30g protein (120 kcal)
• 50g carbs (200 kcal)
• 20g fat (180 kcal)
• Total: 500 kcal

Each macronutrient contributes:

• 1g protein = 4 kcal
• 1g carbohydrate = 4 kcal
• 1g fat = 9 kcal

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🥦 Why Macronutrient Balance Matters

The right balance of macronutrients helps with:
✅ Sustained energy
✅ Better weight management
✅ Improved overall health

A general recommendation is:

• 45–65% carbs
• 10–35% protein
• 20–35% fat

(Source: Harvard Health)

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📖 References

• NHS: The Eatwell Guide
• Harvard Health: Macronutrients