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They use blood tests to check Vitamin B12 levels
We can use any human meter to test unless you want to use a pet glucose meter
Within You cannot have a vitamin B12 injection if: You are sensitive to any of the excipients, which are - acetic acid, sodium chloride, sodium hydroxide, and water for injections
Research has shown that those with low levels of vitamin B12 tend to have poorer memories, so restoring those levels to normal can help cognitive function
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