are b12 injections safe How Often Should You Get Vitamin Injections? Are B12 Injections Safe? |

[6] Sigma-Aldrich SML2832 5-Amino-1-methylquinolinium iodide technical page

My resting heart rate went up 5 bpm Reported as a mild stimulant-like effect in the first 1 to 2 weeks

Aftercare You may resume all normal activities immediately after your injection Mild soreness at the injection site is normal and typically resolves within a day Stay hydrated to support nutrient absorption and distribution If you notice any unusual symptoms such as persistent redness or swelling at the injection site, contact our office Results & Timeline Many patients notice an improvement in energy levels and mental clarity within 24 to 72 hours of their B12 injection

Long-term efficacy is even more uncertain