A condition caused by lack of vitamins in the diet.
A deficiency of a vitamin caused either through lack of the vitamin in the diet or from an inability to absorb or utilize it.
A condition caused by a lack of vitamins in or inadequate uptake of vitamins from the diet.
Hypovitaminosis refers to any condition caused by a deficiency of one or more vitamins. This deficiency may stem from insufficient dietary intake or a digestive condition that leads to malabsorption.