Vitamin B12 (cyanocobalamin): uses & side-effects | PatientsLikeMe

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How do members experience Vitamin B12 (cyanocobalamin)?

Top 5 reported purposes & perceived effectiveness

Purpose	Patients	Evaluations	Perceived Effectiveness
This item is relevant to you: Vitamin B12 deficiency	436	88
This item is relevant to you: General health	236	132
This item is relevant to you: Fatigue	117	50
This item is relevant to you: Pernicious anemia	60	8
This item is relevant to you: Loss of energy	49	20

Common side effects

Side effect	Patients	Percentage
Diarrhea	2
Back pain	1
Bruising	1
Fatigue	1
Headaches	1
Heavy sensation	1

Side effect severity

Side effects as an overall problem
Severity	Evaluations	Percentage
This item is relevant to you: Severe	2
This item is relevant to you: Moderate	6
This item is relevant to you: Mild	11
This item is relevant to you: None	327

Member evaluations

nanakle

evaluated on Jan 01, 2010

Perceived effectiveness for cognitive impairment: None
Side effects: None

metameric

evaluated on Dec 13, 2009

Perceived effectiveness for fatigue: None
Side effects: None

Russ Conley

evaluated on Oct 01, 2009

Perceived effectiveness for Improve swallowing: Major
Side effects: None

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