does vitamin b12 injections have side effects Injections: What You Need To Know do b12 injections have side

Most practitioners recommend starting at 250-300 mcg daily to assess tolerance, then potentially increasing to 400-500 mcg if initial response is suboptimal and no side effects occur

List of Conditions Treated B12 and B complex injections may help with: Treatments Featured In Before & After Results of B12 Complex Treatment Before treatment, many clients report sluggishness, poor focus or ongoing tiredness

Larger randomized controlled trials are still ongoing

If you experience fatigue or paradoxical symptoms like headaches, it's likely a detoxification reaction

Girnita is a physician-scientist double-board certified in rheumatology and internal medicine, trained at Harvard, with a PhD in immunology