Commonly there are seven essential nutrient types, which body requires to survive. The categories of nutrients are;
Carbohydrates: Carbohydrates are the main energy source for the brain.
Protein: Protein is the major structural component of cells and is responsible for the building and repair of body tissues.
Fats: Triglycerides, cholesterol and some other fatty acids are understood as fats. Fats store energy, insulates body by creating consistent layer under skin. there are layers around glands and organs as well which helps protect vital organs. to an extent fats act as messengers to help proteins.
Minerals: minerals help body to grow, develop, and stay healthy. In many bodily functions minerals perform a vital role. Building bones, transmitting nerve impulses, making hormones, maintaining normal heartbeat are some major roles of minerals.
Vitamins: Vitamins are either fat soluble or water soluble most of your foods contain fat-soluble vitamins. These are stored in the fat tissues and in the liver. Fat soluble vitamins helps for number of functions like keeping bones strong to help muscles move. Vitamin, A, D, E, K -, are fat dissolving vitamins.
Water soluble vitamins generally are not stored in the body. Water soluble vitamins are mainly in blood and filtered and excreted by the kidney. Water soluble vitamins are frequently required for body functions but in small doses. vitamin B6, folate, choline, and vitamin C have upper consumption limits. B-complex, Vitamin B1, Vitamin B2, Vitamin B3, Vitamin B6, Folate, Vitamin B12 are some water soluble vitamins.
Fiber: fibers are an indigestible parts or compounds of plants, Normally fibers pass mostly unchanged through stomach and intestines. Normally fibers are a carbohydrate type. Main role of fibers is to keep the digestive system healthy. Dietary fiber is found in cereals, fruits and vegetables.
Water: water is a medium of body function. Water is of major importance to all living things. Up to 60% of the human adult body is water.