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Description
Common signs of B12 deficiency include fatigue, weakness, constipation, loss of appetite, and weight loss (NIH, 2020)

The second reason was to see what would happen with the cessation of treatment
Complete the patient information section and confirm medical history

Fresno, CA: Linden Publishing
If youve been feeling unusually tired, a B12 shot might be just what you need

Since your body absorbs oral supplements less efficiently, youll need to take them more often than injections
