Clinical manifestations of deficiency
Iron: anemia, poor cognitive development, increased susceptibility to infection
Iodine: poor cognitive development
Calcium: decreased bone mineralization
Vitamin A: damage to cornea and retina leading to blindness
Vitamin D: rickets, decreased bone density
Zinc: growth failure
Vitamin B12 : anemia, neuropathy
Riboflavin: anemia, sores around mouth, red and cracked lips