It is thought that the peptide may directly affect metabolism in such a way so as to reduce complications separate from its effects on obesity
[1] Because intrinsic-factor-dependent uptake in the distal ileum can be absent in conditions such as autoimmune gastritis, pancreatic insufficiency, or bariatric surgery, the intramuscular or subcutaneous route bypasses gastrointestinal barriers and reliably restores serum concentrations
If fatigue continues, a clinician may evaluate anemia, thyroid disease, sleep problems, medication effects, mood concerns, or other causes
This will depend on your goals and current health
The Bottom Line Yes, you can receive a B12 injection in many places