What are macronutrients and micronutrients?
Most foods contain a mixture of carbohydrates, protein and fat, known as macronutrients. Because the body needs more of them, macronutrients have hence earned their name. Food also contains a range of vitamins and minerals, which are known as micronutrients. Although these micronutrients are essential, they are only needed in very small amounts. Therefore, a varied diet is important to ensure a healthy intake of a mix of nutrients. Micronutrients do not contain energy but macronutrients do. How does the body use and store macronutrients? It is thought that the body uses carbohydrates as its main source of energy, followed by protein and fat. Alcohol is also an energy source that is broken down or metabolised first when it is consumed, as it cannot be stored in the body and because high levels are poisonous. What is your metabolic rate and can you increase it? The rate at which your body uses energy is known as the metabolic rate, which can be increased by increasing the amount of lean
