In general, serious side effects from B12 injections are rare but in some cases, people may experience a few mild ones including pain, redness, or bruising at the site of injection
Animal studies show it heals gut damage in weeks, with users reporting better digestion and less bloating at 500 mcg/day, supporting overall recovery
Research-only peptides are typically produced in bulk overseas with no FDA oversight, which means theres no guarantee of whats actually in the vial
People with Crohns disease, irritable bowel syndrome, gluten enteropathy (celiac disease), or any other disease that cause malabsorption of nutrients
Subcutaneous injections are administered with an insulin syringe into pinched abdominal skin, rotating injection sites to prevent local tissue irritation
B12 vitamin shots begin working right away and your body will begin to manufacture new red blood cells as early as 48 hours