
Vitamin B12 Deficiency Symptoms
Learn about common symptoms associated with vitamin B12 deficiency, including fatigue, weakness, numbness, and memory problems.
About This Topic
Vitamin B12 deficiency symptoms can vary between individuals. Some symptoms associated with low vitamin B12 status include fatigue, weakness, numbness, and memory problems.
Common Vitamin B12 Deficiency Symptoms
Your body's vitamin B12 status can be influenced by dietary intake, absorption, and other factors. The symptoms associated with deficiency are not specific to vitamin B12 deficiency and can occur for many other reasons.
Explore our Vitamin B12 Deficiency page for more nutrition-related information.
Fatigue And Weakness
Fatigue and weakness may occur with vitamin B12 deficiency, although both symptoms have many possible causes.
Numbness And Nervous System Function
Vitamin B12 is important for normal nervous system function. Numbness or other unusual sensations can have many possible causes and should be discussed with a qualified healthcare professional when persistent or concerning.
Memory Problems
Memory problems can have many possible causes. Vitamin B12 is involved in normal nervous system function, but a symptom alone cannot confirm a vitamin B12 deficiency.
Foods That Provide Vitamin B12
Foods that can contribute vitamin B12 include eggs, milk, yogurt, cheese, fish, salmon, and lean red meat.
Vitamin B12 And Iron
Vitamin B12 and Iron are different nutrients that are both relevant to normal red blood cell formation.
If you are also interested in iron nutrition, explore our article: Iron Deficiency And Low Hemoglobin .
When To Seek Professional Advice
If you have persistent fatigue, weakness, numbness, memory problems, or other symptoms that concern you, speak with a qualified healthcare professional. Appropriate testing may be needed to identify the underlying cause.
Frequently Asked Questions About Vitamin B12 Deficiency
What Symptoms Can Occur With Vitamin B12 Deficiency?
Vitamin B12 deficiency can be associated with fatigue, weakness, numbness, and neurological symptoms. These symptoms can have other causes.
Can Diet Affect Vitamin B12 Status?
Dietary intake is one factor, while absorption and other health factors can also affect vitamin B12 status.



