File:J._C._Drummond,_The_Nomenclature_of_the_So-called_Accessory_Food_Factors_(Vitamins),_1920.png · Wikimedia Commons · See Wikimedia Commons
vitamin deficiency
Sign in to saveAlso known as Avitaminosis, NOS, Avitaminoses, Deficiencies, Vitamin, Avitaminosis, Vitamin Deficiencies, Vitamin Deficiency Disorder, Deficiency, Vitamin
condition due to a deficiency of one or more essential vitamins
Key facts
- Other names
- Avitaminosis, hypovitaminosis
- Specialty
- Endocrinology
via Wikipedia infobox
Research
111,368 papers- Severe megaloblastic anemia: Vitamin deficiency and other causes.Cleveland Clinic journal of medicine · 2020
- A systematic review on the impact of nutrition and possible supplementation on the deficiency of vitamin complexes, iron, omega-3-fatty acids, and lycopene in relation to increased morbidity in women after menopause.Archives of gynecology and obstetrics · 2024
- Neurological disorders in vitamin B12 deficiency.Terapevticheskii arkhiv · 2019
- Vitamin deficiency.International journal for vitamin and nutrition research. Supplement = Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Supplement · 1984
- Drugs and vitamin deficiency.Drugs · 1979
via PubMed
Wikidata facts
- Image
- B vitamin supplement tablets.jpg
Show 7 more facts
- topic's main category
- Category:Vitamin deficiencies
- health specialty
- endocrinology
- Commons category
- Diseases and disorders due to vitamin deficiencies
- NCI Thesaurus ID
- C35772
- ICD-9-CM
- 269.2
- exact match
- purl.obolibrary.org/obo/DOID_8451
- on focus list of Wikimedia project
- WikiProject Medicine
via Wikidata · CC0
~13 min read
Encyclopedic overview
Vitamin deficiency is the condition of a long-term lack of a vitamin. When caused by not enough vitamin intake it is classified as a primary deficiency, whereas when due to an underlying disorder such as malabsorption it is called a secondary deficiency. An underlying disorder can have 2 main causes:
Metabolic causes: Genetic defects in enzymes (e.g. kynureninase) involved in the kynurenine pathway of synthesis of niacin from tryptophan can lead to pellagra (niacin deficiency).
Excerpted from Wikipedia’s “vitamin deficiency” article, available under the CC BY-SA 4.0 licence.