self injecting vitamin b12 Injection Sites: All You Need to Know Vitamin B12 Supplements and Injections

[DOI] [PMC free article] [PubMed] [Google Scholar] 359.Gong, M

Unlike oral supplements that must pass through the digestive system, injectable Vitamin B12 is administered directly into muscle tissue

[2] Exposure to nitrous oxide (including recreational use) can cause functional B12 deficiency and worsen neurological manifestations

(2018) 7(8):e1458809

"Some people are deficient and feel a lot better when given a shot, but just to pep you up, there's no study that says it's helpful." B12 is created by bacteria, including those living in the digestive tract

This blend has been posited by scientists to potentially synergistically enhance and regulate growth hormone concentration and maintain equilibrium levels