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[2] Heffernan, M., Summers, R
How often a person will require shots depends on what is causing their B12 deficiency
Yes, some injections combine B12 and folic acid
If you have low vitamin B12 levels or deficiency, consult with your doctor about whether B12 shots are good for you or not
BMC Pediatrics, 2025
They test four key characteristics that are associated with quality and safety
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