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For those requiring supplements, cyanocobalamin and hydroxocobalamin are both effective forms available in the UK, with hydroxocobalamin preferred for injections due to superior tissue retention, as noted in the British National Formulary

Where to Inject B12 First, decide whether youll inject subcutaneously or intramuscularly

Vitamin B12 deficiency might be related to sarcopenia in older adults

If your diet consists primarily of plant-based foods like fruits, veggies, beans, and meat substitutes- as many vegetarian or vegan diets do, then you will be at risk for B12 deficiency

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He received a single 5 g iv dose of hydroxocobalamin, resulting in substantial improvement in hemodynamics and decreased vasopressor requirement