Proponents of B12 shots claim they turbocharge the metabolism (read: make you thinner), strengthen the immune system, and help cure fatigue, insomnia, even depression
B12 supplements sold for humans are suitable for cats
B is crucial for nerve health and blood cell formation, but not everyone getting B-Complex injections will need B
Safety information The most common side effects of cyanocobalamin injections include mild injection site reactions (such as redness or soreness), headache, nausea, and diarrhea
Understanding both the strength of animal evidence and the current gaps in human data provides appropriate context for evaluating the peptides potential
References Smith, Roy G., Sun, Yuxiang, Betancourt, Lorena, and Asnicar, Mark