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Griese M et al
I am on my 3rd week and My energy seems to be improving
For background and my updated recommendations, see my extended look at vitamin B12 in the related posts below
The most common side effects are quite mild - you might notice some redness or slight pain at the injection site, which typically resolves within a day
The full dose may be taken once in the morning on an empty stomach, or split into two to three daily doses throughout the day, each on an empty stomach
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