Headache Mild diarrhea Mild pain or redness at the injection site Nausea Serious or rare side effects Stop taking Vitamin B12 Injection and seek immediate medical attention right away if you experience any of the following: Allergic reactions, including angioedema, hives, and trouble breathing Signs of heart problems, including swelling, rapid weight gain, and shortness of breath Signs of hypokalemia, including muscle weakness, slow or irregular heartbeat Contraindications: This is not an exhaustive list of contraindications
2 Materials and methods 2.1 Protocol and registration This systematic review was conducted in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement (Moher et al., 2009) and the guidelines from the Cochrane Handbook for Systematic Reviews of Interventions (Higgins and Green, 2008)
The following protocols represent synthesized guidance from preclinical research, clinical observations, and community experience
It is also a valuable option to consider in selected gut-health protocols, especially when the goal is mucosal support and inflammation reduction
