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Depending on the dosage, some individuals experience immediate and noticeable effects as soon as the B12 starts to infuse, feeling a sense of clarity and energy
adults who tolerate it for at least four weeks may increase to a maximum 7.2 mg when additional weight reduction is clinically indicated
Vitamin B12 deficiency has been associated with peripheral neuropathy and even cognitive deficits, especially in older adults and those with HIV/AIDS, where it supports nerve function and assists in the maintenance of myelin sheath integrity
Thom NH, Meier TW, Evans PR, Leadlay PF
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