is oral b12 as good as injections Injection vs. Supplements: Which One Do You Actually Need? – ELLEMES Medical Spa Vitamin B12 for Injection Cyanocobalamin

BPC-157 (Body Protection Compound-157) is a synthetic pentadecapeptide derived from a partial sequence of human gastric juice protein, widely studied for its cytoprotective and regenerative properties

No Direct Evidence: Scientifically, there is no established direct correlation between B12 shots and weight loss

however, it should still be handled and stored carefully and appropriately in line with laboratory standards

"Injections are the preferred treatment for patients unable to absorb vitamin B12, such as patients with autoimmune-related anemia or pernicious anemia, or history of gastrectomy, which means partial removal of the stomach, or a history of bariatric surgery," Levine told InStyle