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W., Rosenkilde, M
Summary: Adults in the UK require 1.5 micrograms of vitamin B12 per day, according to the Reference Nutrient Intake established by the Department of Health
But each patients body responds differently
Severe stomach pain that doesn't go away could signal pancreatitis
You do not need to run a marathon
In some regions, it is classified as a research chemical and not approved for human use, while in others, it may be available by prescription for specific medical conditions
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