what does a b12 inject shot do for my dog Vitamin B-12 1000mcg - Injection Pets What you're seeing here is
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10.1179/1476830515Y.0000000006
Psychiatric symptoms such as mental and mood disorders and cognitive dysfunction are also common in people with B12 deficiency [4,5,6]
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For a syringe I believe that you can use the same type you use for insulin
