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Biochemical Society Transactions
While anyone can benefit from vitamin B12s energy-boosting properties, certain groups are particularly at risk of deficiency and may find these injections invaluable
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Due to cereal fortification with folic acid, folate levels are more typically adequate, but B12 levels are often inadequate due to a lack of sensitivity in testing ( CMAJ 2005;172:1569-1573) as well as reduced B12 absorption through aging ( CMAJ 2004;171:251-259)
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