The injections most often contain vitamin B12, which is considered very safe even in large quantities
55 SakamotoK.YonokiY.KubotaY.KuwagataM.SaitoM.NakaharaT.et al (2006)
Treatment Additions Vitamin B12 Vitamin B12 injections are popular for individuals looking to enhance their energy levels and boost their metabolism
"Rheinmetall ROSY at US Army Expeditionary Warrior Experiments 2018"
For example, researchers have found that methylene blue may improve learning, boost memory and protect brain cells in rats with a condition that mimics Alzheimers disease
These are individual accounts, not clinical evidence, and results are not guaranteed.* On the positive side, reviewers describe experiences including improved comfort in areas they associated with daily activity, more consistent recovery between training sessions, and greater energy levels after consistent use