This validation makes it a more reliable option
[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
The first month felt like nothing was happening
Individuals with B12 Deficiency B12 deficiency symptoms include fatigue, weakness, numbness or tingling in the extremities, tongue soreness, depression, and even memory issues
Deficiency is particularly common in elderly people, because the ability to absorb vitamin B12 can decrease with age ( Other people at risk of deficiency include those who have had intestinal surgery, including weight loss surgery