A slowed metabolism and weight gain can occur for a variety of reasons, such as not eating enough calories, too much cortisol, high insulin levels, or thyroid problems
Its hard to say exactly how long B12 shots last in the fridge compared with a cabinet, but this should help extend the shelf life of your injectable B12 after opening
This usually involves: 1,000 mcg of B12 injected daily or every other day for 1-2 weeks Followed by weekly injections for a month 2
Keep in mind that oral B is not well absorbed in people who truly lack intrinsic factor or have certain GI issues, which is why B is usually injected or given as a high-dose sublingual in those cases
Currently, about half the drugs on the market are available in generic form
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