What are micronutrients and macronutrients with example? Well, macro means huge, so macronutrients are classified as nutrients needed in larger amounts by the human body. This includes carbohydrates, fiber, fat, and protein. These are a constant source of energy for the body. Micronutrients, on the other hand, are nutrients needed in micro or smaller amounts. They have some important roles to play in the body, such as extracting energy from food. Micronutrients are also responsible for cell growth. For example, antioxidants, vitamins and minerals, such as calcium, iron, magnesium, manganese, B vitamins, and all types of vitamins. What are the 4 micronutrients? fat-soluble vitamins, water-soluble vitamins trace minerals macrominerals Is water a macronutrient or micronutrient/ Macronutrient Research finds that people with celiac disease are at risk of micronutrient deficiencies as their gut lining blocks absorption of essential minerals and vitamins.