In limited data it's generally reported as well-tolerated, but human safety data is still limited and long-term effects aren't fully characterized
Gastrointestinal issues: If youve been diagnosed with gastrointestinal disorders such as celiac disease or Crohns disease, or youve undergone gastrointestinal surgery, you may require B12 injections
Review meds (e.g., metformin, PPIs), medical conditions (GI surgery, malabsorption), and diet with your clinician
Acta Pdiatrica
Monitoring Protocol: Although the trials showed no concerning laboratory changes, prudent clinical practice suggests baseline and periodic monitoring of metabolic parameters, complete blood counts, liver function, and kidney function