can you purchase b12 injections Compounded Hydroxocobalamin (Vitamin B12) Injection 12 per dose Contains a sterile vitamin B Methylcobalamin Injections | Vitamin B12

Sublingual and oral spray formulations are designed for absorption through the oral mucosa, though they have no proven clinically significant advantage over standard oral tablets for most people

Plus, it uses cyanocobalamin instead of methylcobalamin, which might not work as quickly for people looking for faster results

While clinics often market B12 shots for energy, mood, and weight loss, robust clinical evidence supports benefits mainly in individuals with confirmed low B12 levels

3, severe

Stomach issues, such as gastritis, infection with Helicobacter pylori or bariatric surgery (reducing stomach size) can all significantly reduce B12 absorption (Sobczyska-Malefora et al., 2021)