Nutrition quality of food refers to the fine and range of micronutrients and macronutrients. Food stuffs rich in vitamins and minerals are known as micronutrients and macronutrients include carbohydrades , protiens, fats. A human requires large amount of macronutrients as compared to that of micronutrients. Some vitamins are recognized as organic essential nutrients which are necessary in diet.vitamin deficiency may cause some diseases like goiter, scurvy,osteoporosis, impared immune system, disorder in cell metabolisim, symptoms of premature ageing, poor psychological health (including eating disorders). But excess level of vitamins are dangerous for health. Dietary minerals are inorganic chemical elements required by living organisms, other than the four elements carbon, hydrogen, nitrogen, and oxygen that are present in nearly all organic molecules. Deficient or excess levels of minerals can also have serious health consequences.