Macronutrients are the greatest portion of the human diet and are a very important to your daily nutrition. They are made up of Carbohydrates, Proteins and Fats. Macronutrients are also used to promote the growth of body tissues and lubricate your joints. Not only do they supply fuel for work but they also help to regulate body heat and help fight infections.
Carbohydrates
Carbohydrates are composed of sugar, starches and fiber. They are the most important Macronutrients because they are the source of energy, this energy is stored as glycogen and is used by the body to perform daily activities. Each gram of carbohydrate releases 4 calories for the body. Carbohydrates should be 40-60% of your diet. Some foods that are good sources of carbohydrates are : breads, pasta, rice, fruit, veggies, beans, and starches.
Proteins
Proteins are composed of Amino Acids. They make up 20% of our body weight and are the main component of muscles, hair, nails, skin, eyes and our internal organs. Protein is needed for growth and the maintenance of body tissues. The immune system requires protein in the formation of antibodies that are used to fight infections. Our metabolism is regulated by proteins in the form of Hormones. Proteins should be 25-30% of your diet. You need to be careful not to eat too much protein or too little. Some diseases caused by protein deficiency are Kwashiorkor and Maramus. Healthy proteins that you can eat are: beef, pork, fish, diary foods, and eggs.
Fats
Fats are mainly composed of lipids and are a form of energy reserves and insulation. The body can burn fat to make energy when there is not enough glycogen to use. Fats are also important for transporting the fat soluble vitamins. Your intake of fat each day should be 15% of your daily caloric intake. Some healthy sources of fat are Vegetables, oils, nuts, and fish.
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