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How They Work: Increasing Energy Levels, Promoting Fat Loss, and Enhancing the Metabolism A slow or sluggish metabolism can often be the barrier preventing men and women from reaching their desired weight
Your ability to absorb vitamin B12 depends if you have enough of a protein called intrinsic factor (IF) in your stomach
if you are busy or forgetful, injections may be easier to keep up
In severe cases of vitamin B12 deficiency, like pernicious anemia, regular injections may be required to maintain adequate levels
Safety of Long-Term Weekly Use Is it safe to get a shot every week for months
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