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This confusion is commonand understandable
True B12 toxicity symptoms are rare but may include skin reactions, mild gastrointestinal disturbances, and headaches, particularly with injections
Cognitive issues 8
The numbers below assume the standard research-planning band of about 250 mcg twice daily from 10 mg vials reconstituted with 2 mL bacteriostatic water
A lack of vitamin B12 can result in symptoms like pale or jaundiced skin and weak, brittle nails
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