Lowered resistance to infection. Vitamin A is stored in the liver and toxicity can occur. D Promotes calcium and phosphate absorption from food and is thus essential for bones and teeth. Sunshine, fortified margarine, oily fish, egg yolk, fortified breakfast cereals. Failure of bones to grow and calcify leading to rickets in children and osteomalacia in adults.
Vitamin D can be toxic.
E Protects cell membranes from damage by oxidation. Vegetable oils, nuts, vegetables and cereals. Deficiency may occur in premature infants or due to malabsorption. K Essential in the formation of blood clotting proteins. Synthesis by bacteria in the gut.