where do you inject b12 shots Vitamin Injection Sites: All Need to Know B12 Injections | Vitamin B12
Description
Oral is the standard

Lung, WAT, testis, and skeletal muscle preferentially rely on salvage and have low expression of proteins involved in the PreissHandler pathway 41 , with the muscle in particular relying on both NRK1 and NRK2 for supporting its mitochondrial metabolism and fiber type composition 42

[DOI] [PubMed] [Google Scholar] 11.Lehman AJ, Esdaile JM, Klinkhoff AV, Grant E, Fitzgerald A, Canvin J, et al

After reviewing 21 clinical trials, researchers concluded that vitamin B supplements may delay cognitive impairment associated with aging

References Heffernan MA, et al