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Many health authorities recommend that adults over 50 years take a daily vitamin B12 supplement, usually in the range of 25100 micrograms per day, and/or consume foods fortified with vitamin B12
(March)
Even without these tools, consistent manual tracking enables data-driven decisions
In contrast, IM injections can be painful, and are more error-prone than injecting into fat
It is not intended nor implied to be a substitute for professional medical advice
Don't worry if it's the cheap stuff and you only feed them the good stuff
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