It may result in a range of health issues, such as deformed bone development, anemia, skin disease, gastrointestinal disease, nervous system disorders, and dementia (loss of memory)
White House deal lowers prices of weight-loss drugs
Patients self-injecting vitamin B12 without telling their GP, finds study A large proportion of patients with a vitamin B12 deficiency self-inject medication sourced online, citing difficulty with accessing treatment from GPs
HUMs Gut Instinct supplement uses probiotics to help break down food more efficiently, reducing bloating and gas, which can contribute to nausea
10.1155/2019/7546047 J Immunol Res
Why some causes need intramuscular or lifelong treatment An injection bypasses the gastrointestinal tract