vitamin b12 injection iv Compounded Methylcobalamin (Vitamin B12) Injection, 5mg/mL B12 Injections at Olympia
Description
Available at: 56 World Anti-Doping Agency (2024c)

Last but not least, Vitamin B12 plays a significant role in nerve function and the creation of red blood cells

Also, its deficiency can result in high levels of homocysteine in the blood which may have direct effects on the neurotransmitters implicated in depression

These two forms of B12 have the same effects but have their own different strengths in different situations
