Safety information
B12 Methyl
The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time
Side effects
Common Side Effects
- Diarrhea
- Fatigue
- Headache
- Nausea
Serious warnings
Some side effects can be serious. If you experience any of these symptoms, call your doctor immediately:
- Allergic Reactions: Itching, rash, swelling (especially of the face, tongue, or throat), severe dizziness, and difficulty breathing