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A B12 deficiency can lead to anemia, which reduces the oxygen-carrying capacity of the blood, resulting in fatigue, weakness, and shortness of breath
Headache: Occasional, possibly from metabolic shifts
The takeaway Individuals who take the type 2 diabetes medication metformin may be at a higher risk of vitamin B12 deficiency
The injections are basically pain-free apart from a stinging sensation or a little prick observed when they are administered
You might consider B12 shots for weight loss if you: Feel tired all the time Struggle to lose weight despite diet and exercise Are you following a vegetarian or vegan diet Have a known B12 deficiency Always consult a healthcare provider to assess your levels and see if youre a candidate
