Lack of vitamin B12 can cause a number of health problems, including muscular weakness, numbness, stiffness in the legs, and memory loss
The complexity of its administration, its high cost, and supply constraints due to limited manufacturing capabilities have all contributed to its prescription challenges (Jarosawski and Toumi, 2015)
Always verify syringe markings match your calculated dose before injection to avoid under- or over-dosing
Is it possible to get too much Vitamin B12 from an injection
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