Many adults dont get enough B12 through diet alone, especially if they follow a vegetarian or vegan lifestyle, have certain digestive conditions, or simply dont absorb nutrients as efficiently with age
That is not a diagnosis, but it is worth a conversation with a doctor
Understanding B12 Injection Sites Vitamin B12 is a vital nutrient that supports nerve function, red blood cell formation, and DNA synthesis
Your vitamin B12 levels can be easily determined by a simple blood test, and this test will help your doctor decide what level of treatment is suitable for your health needs
[1] However, whilst acute toxicity is rare, elevated serum B12 levels can occasionally occur and may warrant investigation, particularly when they arise unexpectedly or in the context of certain medical conditions
A study in the Journal of the American Geriatrics Society found that older adults might need more Vitamin B12 because their bodies absorb it less well