For post-bariatric patients, several of these are lifelong requirements, independent of the timing of surgery
They may use regular blood tests to monitor your B12 levels and adjust your injection schedule accordingly
Improved Mood and Mental Clarity : Most people report being more alert and focused after they receive a B12 injection
However, taking extra vitamin B12 does not increase energy if vitamin levels are already normal
Observed effects in human trials Reported adverse events across the IV and oral trials included headache, fatigue, dizziness, nasopharyngitis, diarrhea, flatulence, increased appetite, nausea, and back pain