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Frequencies range from weekly to monthly, depending on your goals and baseline levels
Strategies for Preventing and Treating Vitamin B12 Deficiency Dietary changes, supplements, and medical treatment can help prevent and treat vitamin B12 deficiency
Who Tends to Do Better with Injections When the trouble is absorption rather than how much you're eating, a shot is usually the better fit
One 12-week randomized clinical trial found that subjects receiving 1mg daily lost an average of 2.6kg compared to 0.8kg in the placebo group
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