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Description
If you notice any of these symptoms, its important to consult a healthcare professional, as they may be signs of a Vitamin B12 deficiency

Surgical Factors: Gastric surgeries that affect intrinsic factor production can also lead to pernicious anemia

This represents the most common situation

Hydration: Drink plenty of water before the test to make blood draw easier

The x49 is $17 and sounds as good or better than the Comet
