b12 pill vs injection Shot Guide: Benefits, Dosage & Side Effects b12 supplement vs injection Benefits

Elderly patients tend to have a greater frequency of decreased hepatic, renal, or cardiac function, and also have concomitant disease or receiving other drug therapy

[9] Visual disturbances have been reported in patients with Leber hereditary optic neuropathy, and rapid B12 administration may precipitate optic nerve atrophy in this genetically predisposed population, mandating extreme caution or alternative therapy

There is also the slight risk of nerve injury with IM shots

Before self-injecting, we always recommend seeking professional instruction from a certified healthcare practitioner

Older Adults: Age-related declines in B12 absorption can impact cognitive and physical health, and injections help support overall well-being