extremely rare 2 Vitamin B12 Shots Are Sterile If you go to a trusted source like your doctor or nurse practitioner, you shouldnt have to worry about whether or not the injections are sterile
Then, we'll review your medical history, looking at things like your diet (especially if you're vegan or vegetarian), your age, any stomach or gut conditions, past surgeries, and even the medicines you take, like metformin or proton pump inhibitors, which can sometimes affect B12 levels
Vitamin B-12 deficiency is not common in the U.S
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1,2 SORT: KEY RECOMMENDATIONS FOR PRACTICE Figure 1 In the United States and the United Kingdom, the prevalence of vitamin B 12 deficiency is approximately 6% in persons younger than 60 years, and nearly 20% in those older than 60 years