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How Long After Having Vitamin B 12 Injection Should I Get My Vitamin B 12 Levels Checked?
Question: Hi, i got a b12 injection yesterday but i DID NOT get my b12 levels checked. Now i want to check my b12, how long should i wait to get accurate results?
Brief Answer:
I advise to test one week after from the last dose.
Detailed Answer:
Hello
In most of the laboratories,vitamin B12 report is delivered on next day.
It require over nigh fasting and sample is given on next day.
It may take some time to absorb vitamin B12 from muscle,so I advise to test one week after from the last dose.It will give you exact results.
Get well soon.
Hope I have answered your question.
Further queries are most welcome.
Take Care
Dr.Indu XXXXXXX
I advise to test one week after from the last dose.
Detailed Answer:
Hello
In most of the laboratories,vitamin B12 report is delivered on next day.
It require over nigh fasting and sample is given on next day.
It may take some time to absorb vitamin B12 from muscle,so I advise to test one week after from the last dose.It will give you exact results.
Get well soon.
Hope I have answered your question.
Further queries are most welcome.
Take Care
Dr.Indu XXXXXXX
Above answer was peer-reviewed by :
Dr. Vinay Bhardwaj
Answered by
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