The most common side effects of B12 injections are mild and temporary, including pain, redness, or swelling at the injection site, mild nausea or diarrhea, headache, dizziness, and itching near the injection area
Protocols generally run in cycles of several weeks, allowing the physician to monitor metabolic markers and adjust the treatment plan as necessary
Most patients begin to notice a change in skin brightness after 34 sessions
This means your body gets what it needs quickly and efficiently, helping to restore appetite and pave the way for healthy weight gain
Some users report improved recovery and energy levels, though these effects are less well-documented than the body composition benefits