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Fortunately, there is increasing evidence that oral B12 supplements are just as good as injections for raising blood levels in most people ( Vegetarians and vegans are usually advised to take at least 10 mcg per day, or at least 2,000 mcg once per week ( However, some doctors still prefer the use of injections
3 Because of extensive hepatic stores of vitamin B 12 , there may be a five- to 10-year delay between the onset of deficiency and the appearance of clinical symptoms
Medical Journal of Australia , 199: S27-S32
Extra protein can boost the increases in muscle strength and size that occur with strength training
Administer subcutaneously in the evening to align with sleep onset
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