References Goldstein AL, Hannappel E, Sosne G, Kleinman HK
Delays in diagnosis and subsequent initiation in treatment of pernicious anaemia have been shown to increase the risk of irreversible neurological damage involving both the central and peripheral nervous system, resulting in permanent symptoms, such as peripheral neuropathy, cognitive impairment and damage to the spinal cord (known as subacute combined degeneration of the spinal cord)[9,16]
Their seemingly miraculous properties have been praised by tech CEOs, podcaster Joe Rogan, and celebrities such as Gwyneth Paltrow, Jennifer Aniston, and Kim Kardashian, who says her daily regimen "changed my life." But many doctors are alarmed by a craze that has thousands of people injecting themselves with substances of dubious origin and whose long-term effects are unknown
As we get older, our bodies absorb less B12 from food
Most manufacturers recommend discarding the vial 28 days after opening, regardless of how much is left
Price was ok
