In the 21st century technology and researches gave awareness to the people about the importance of micro-nutrients in food.
Studies have found that in different regions of the world the communities lack a sufficient amount of micro-nutrients that lead to certain diseases and weaknesses like goiter due to deficiency of iodine, scurvy from vitamin C.
Food fortification enriches foods in those needed micro-nutrients whether it is found naturally or not in food.
Commercial fortification of Iodized salts, wheat, and cornflour is available for overcoming nutrient deficiency.