Avitaminosis is a lack of the recommended blood levels of 1 or more essential vitamins. The condition is usually caused by a diet low in essential vitamins. Avitaminosis may contribute to diseases like heart disease and cancer.


Treatment includes increasing vitamin levels through diet or supplements.

Last Updated Jun 13, 2017

© 2023 Mayo Foundation for Medical Education and Research (MFMER). All rights reserved. Terms of Use