is a b12 injection better than tablets Injections: Are they more effective supplements? Vitamin B12 Injections vs. Oral

While we usually get 2.4 mcg from food, people with neuropathy might need 1000 to 2000 mcg every day

The most commonly reported events in active arms were mild and transient: injection site reactions in some subcutaneous subjects, occasional headache, and in some oral dosing arms, minor gastrointestinal tolerance issues

If you take both metformin and tirzepatide, your risk of B12 deficiency is compounded (no pun intended)

Retrieved February 19, 2022

Typically, healthcare professionals recommend regular injections initially to correct a deficiency, followed by maintenance injections at longer intervals

Some other proponents claim that regular injections of vitamin B12 can increase energy levels and help with weight loss and mood improvement