An intramuscular (IM) injection delivers vitamin B12 directly into a muscle, usually in the upper arm, thigh, or upper buttocks
Monitoring recommendations from research Based on the preclinical data, any research involving FTPP would require careful monitoring of: Kidney function
Vitamin B12 injections are generally safe, but some individuals may experience side effects, including: Pain or redness at the injection site Mild diarrhea Itching Nausea or vomiting Dizziness or headaches Hot flashes In rare cases, more serious reactions, such as allergic responses (rash, swelling, trouble breathing), can occur
For more on what to anticipate, see what to expect after your first dose of tirzepatide
The best peptides for weight loss guide provides comprehensive comparison of these options