Sounds great until you see that it was a retrospective chart review with no control group
[1] [2] However, longstanding neurological complications, such as peripheral neuropathy or cognitive changes, may require three to six months of consistent treatment before significant improvement occurs, and some damage may be irreversible if treatment is delayed
Injectable B12 is an option for severe cases
Vitamin B12 shots are often prescribed for people with: Pernicious anemia (autoimmune destruction of intrinsic factor needed for B12 absorption) Gastrointestinal surgeries (e.g., gastric bypass, ileal resection) Crohns disease or celiac disease Chronic alcoholism Long-term use of acid-reducing medications Vegan diets without supplementation Infants or children with congenital absorption disorders (i.e., vitamin B12 for kids in clinical care) Injections ensure direct delivery into the bloodstream, bypassing the digestive system entirely
avoid them if they trigger or aggravate your symptoms Alcohol can worsen nausea, impair blood glucose regulation, and interact with the metabolic effects of the drug
