b12 injection how fast does it work a Vitamin Shot Work? How Quickly Do You Feel

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The rationale was that direct delivery to the joint would maximize local efficacy while minimizing systemic exposure

Not having sufficient levels of vitamin B12 can lead to health issues such as generalized weakness, numbness, leg stiffness, abnormal gait, memory loss, personality change, and a depressed mood

Sources Vitamin B12 can be obtained from animal-derived foods such as meat, poultry, fish, dairy items, and eggs

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Adults generally require around 1.5 micrograms per day and pregnant or breastfeeding women require up to 2.8 micrograms a day