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vitamin b12 injection uses Injections: What You Need To Know Vitamin B12 Supplements and Injections
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The abdomen offers ample area for rotation

Also, people with diabetes who take a medication called metformin are at a higher risk of developing B12 deficiency because this medication can reduce B12 absorption

Some conditions affect the absorption of vitamin B12, which could lead to a deficiency

You may be wondering where to get B12 shots outside a doctor's office
