It is classified under WADA's S0 (Unapproved Substances) category and is prohibited in competitive sport regardless of administration route
Furthermore, the form of vitamin B12 in plant foods has a lower bioavailability than animal derived vitamin B12, and is easily degraded during cooking and food preparation (6)
Other Injection & Vaccination Services Available at MedInstant MedInstant also offers a wide range of injection and vaccination services at home, including intravenous, intramuscular, and subcutaneous injections given by trained nurses
If a journal publishes a correction or a retraction, Reich notes, academics whose work is called into question may sue (or threaten to do so) over the hit to their reputation, whereas whistleblowers who flag an error are unlikely to sue journals for taking no action
Zhang Y, Yang XJ, Zeng TH, Qiu YY, Wang YT, Liang FG