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Can taking too much vitamin B12 through injections cause concerns
As of 2026, the FDA allows licensed pharmacies to make these peptides with a prescription, but that is not the same as approving them as safe or effective
Whats more, screening for a B12 deficiency a simple blood test should not even be considered unless you are exhibiting symptoms, such as signs of memory loss, mood changes or if you are on a strict vegan diet, says Dr
A rare cause is transcobalamin II deficiency, a genetic condition where your body can't transport B12 (also known as cobalamin) in your body
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