In short, our recommended vitamin B12 shot dosage and frequency is around 1 mg per shot, injected daily for at least 90 days
Despite sensational and scientifically unfounded claims occasionally seen in the media, WADA is not presently aware of any athletes who are gene doping
This allows the medication to be absorbed into the bloodstream quickly
Symptoms of a vitamin B12 deficiency include fatigue, lacking energy, loss of appetite, headache, mouth ulcers, changes in vision, feelings of depression, and hindered mental capabilities
Baseline measurements before starting, periodic monitoring during use, and follow-up assessment after cycling off provide data points that can reveal individual response patterns
Simple timing framework Baseline Discuss baseline labs before starting or escalating, especially with diabetes, kidney disease, gallbladder history, eating-disorder history, or major calorie restriction