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A reticulocyte count may also be checked, as a rise in reticulocytes (young red blood cells) within the first week indicates effective bone marrow response

Label the vial with the date, concentration (2500mcg/ml), and expiration date (28 days from reconstitution)

I have a lot more energy I havent seen any weight loss but I feel its coming

We will support your energy gladly, but if your fatigue is severe or persistent, we will encourage you to see your own provider

Seek urgent medical attention for severe allergic reactions, blood in stools or vomit, or persistent severe abdominal pain after taking B12 supplements