Fortunately, even at large doses, vitamin B12 is generally considered safe, at least in the short term (more on that below)
Studies indicate that increasing glutathione levels may improve nerve function and reduce pain in conditions like diabetic neuropathy (Oyama et al., 2010, Diabetes Care)
Patients commonly experience earlier satiety, smaller meal size, reduced hunger, and decreased preference for energy-dense foods
In addition to reducing or eliminating the symptoms of B12 deficiency, research suggests that B12 shots may: Reduce stress (7) Support central nervous system function, red blood cell formation, and DNA synthesis (2) Reduce the risk of vision loss from age-related macular degeneration (8) Lower homocysteine levels, which is associated with cardiovascular disease and stroke (9, 10)