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What causes vitamin B12 deficiency? Vitamin B12 deficiency happens if you aren't eating enough vitamin B12 or your body isn't absorbing the vitamin B12 you consume properly. Situations or conditions that can cause vitamin B12 deficiency include:
Here are some of the common causes of a vitamin B12 deficiency: Inadequate dietary intake. A diet lacking in animal-based foods — which are the primary sources of vitamin B12 — can lead to...
Vitamin B12 is essential for good health, but some people may not be getting enough. WebMD tells you about symptoms of a vitamin B12 deficiency and how it can be treated.
Left untreated, a vitamin B-12 deficiency can lead to anemia, fatigue, muscle weakness, intestinal problems, nerve damage and mood disturbances. The recommended daily amount of vitamin B-12 for adults is 2.4 micrograms (mcg). Most people can get enough vitamin B-12 in the foods they eat.
When left untreated, a B12 deficiency can lead to problems with your heart, nerves, or brain. B12 shots, supplements, and changing what you eat can help.
Vitamin deficiency anemia is a lack of healthy red blood cells caused by lower than usual amounts of vitamin B-12 and folate. This can happen if you don't eat enough foods containing vitamin B-12 and folate, or if your body has trouble absorbing or processing these vitamins.
What Causes Vitamin B12 Deficiency? Vitamin B12 deficiency has two primary causes. Some people do not get enough B12 in their diet. Others have problems absorbing B12 in the intestines.
1. Fatigue. If you’re low or deficient in B12, you’ll likely feel fatigued. Your body’s cells need B12 to function properly. As such, having inadequate B12 levels can decrease normal red blood...
Vitamin B12 deficiency can result when the following occur: People do not consume enough vitamin B12. The body does not absorb or store enough of the vitamin. Inadequate consumption. Vitamin B12 deficiency develops in people who do not consume any animal products (vegans) unless they take supplements.
Inadequate vitamin B12 absorption is the most common cause of deficiency (see table Causes of Vitamin B12 Deficiency). In older adults, inadequate absorption most commonly results from decreased acid secretion.