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In people aged 50 and over, adequate consumption of vitamin B12 is thought to be important for maintaining good vision and protecting against macular degeneration
Cyanocobalamin injection: Side effects and contraindications
Vegetarians and vegans seeking to prevent deficiency rather than correct existing insufficiency may maintain levels with consistent oral supplementation
If youre not comfortable with traditional needles, its worth knowing about alternatives that can make your treatment easier
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