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[104] [105] Deficiency does not develop if dietary intake of vitamin B 12 is adequate or prophylactic B 12 supplementation is given
Current published literature remains limited
Some contraindications (reasons not to take B12 shots) include: Allergies to cyanocobalamin or methylcobalamin Kidney or liver disease Eye issues, especially if you have Lebers disease A current infection If youre taking medication related to bone marrow You should talk to your doctor about the above conditions before getting B12 injections
The clinical trial data is specifically reassuring on this point: across six trials involving approximately 900 participants, glucose levels, insulin levels, and markers of insulin sensitivity remained unchanged from baseline
Hydroxocobalamin: The Long-Lasting Option Then theres hydroxocobalamin, a form of B12 thats a favorite for its staying power
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