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5 The average intake of vitamin B 12 in the United States is 3.4 mcg per day, and the recommended dietary allowance is 2.4 mcg per day for adult men and nonpregnant women, and 2.6 mcg per day for pregnant women
Exclusion criteria were: (a) in-vitro RCTs
Vitamin B12 assists your body in using carbs, protein, and fat for energy
It is also worth noting that Vitamin B12 injections do not need the digestive system to be absorbed by the body, which makes them particularly beneficial for those who suffer from vitamin B12 deficiency as a result of problems in the digestive system, or as a result of a lack of intrinsic factor in the stomach.
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