Vitamin B12
Vitamin B12
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The Vitamin B12 test measures the level of vitamin B12 in your blood, an essential nutrient for nerve function, red blood cell production, and DNA synthesis. Deficiencies in B12 can lead to anemia, fatigue, and neurological issues. This test is particularly important for individuals following a vegetarian or vegan diet or those with absorption issues. Understanding your B12 levels can help guide dietary changes or supplementation to support overall health.
Reasons to Check It:
Reasons to Check It:
"Multiple, unrelated conditions may result in a person becoming vitamin B12 deficient, with varying degrees of vitamin B12 deficiency present in approximately 10-20% of individuals over the age of 60.
People at risk for B12 deficiency include vegans or vegetarians who also don't eat dairy or eggs -- vitamin B12 is found only in animal products. Some individuals who develop a vitamin B12 deficiency have an underlying stomach or intestinal disorder that limits the absorption of vitamin B12 that is present in the food we eat. The inability to absorb vitamin B12 may be due to the loss of intrinsic factor caused by atrophic gastritis. Diseases and conditions such as celiac disease, gastric infections, gastric surgery and some medications may also affect absorption of vitamin B12." - Dr. Alan Hopkins
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