FAQ: Frequently Asked Questions
Why is protein an essential part of the diet?
Protein is the primary building block for tissues and enzymes, supporting muscle recovery and proper immune system function.
What are antioxidants in food?
Antioxidants neutralize free radicals, protecting cells from oxidative stress and slowing down the aging process.
What is nutrient density in food?
Nutrient density measures the amount of essential vitamins and minerals contained per calorie of a food item.
What are the best dietary sources of fiber?
Dietary fiber is found in whole grains, vegetables, and fruits. It regulates digestion and helps maintain healthy blood sugar levels.
What role does iron play in the body?
Iron is essential for oxygen transport in the blood. Its best sources are meat, fish, and legumes paired with vitamin C.
What is the difference between simple and complex carbohydrates?
Complex carbohydrates (e.g., whole grains, oats) release energy gradually, providing long-lasting satiety.
How can you increase the absorption of fat-soluble vitamins?
Adding healthy fats (e.g., olive oil, nuts) to meals with fresh vegetables increases the absorption of vitamins A, D, E, and K.
Can supplements replace a balanced diet?
Dietary supplements do not replace balanced meals; they only supplement the diet in case of diagnosed nutritional gaps.
What role does iron play in the body?
Iron is essential for oxygen transport in the blood. Its best sources are meat, fish, and legumes paired with vitamin C.
What is the difference between macronutrients and micronutrients?
Macronutrients (proteins, fats, carbs) provide energy in large quantities, while micronutrients (vitamins and minerals) regulate metabolic processes.