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These ranges come from animal-data extrapolation and informal reports, not controlled human trials, and the two routes are not directly interchangeable
It binds plasma proteins more tightly and is retained far longer, which is why a single dose holds therapeutic levels for roughly eight to twelve weeks and supports a maintenance interval of two to three months
Its given either by injection into a muscle or under the skin
The honest answer: B12 is not a fat-burning drug
Stomach acid is necessary for making Vitamin B12 available from food
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