Hypovitaminosis is a condition that occurs when there is a deficiency of essential vitamins in the body. Some synonyms for hypovitaminosis include vitamin deficiency, avitaminosis, vitamin inadequacy, and vitamin insufficiency. Other related terms include malnutrition, nutritional deficiency, and undernourishment. Hypovitaminosis can be caused by a variety of factors, such as poor diet or impaired absorption of vitamins due to digestive disorders. Symptoms of hypovitaminosis can include fatigue, weakness, and anemia. Treatment typically involves increasing intake of vitamins through diet or supplements. It is important to maintain a balanced, healthy diet to prevent hypovitaminosis and ensure optimal health.