Following multiple doses, mean insulin-like growth factor (IGF-1) levels remained above baseline for up to 28 days
Are you actually seeing the results you hoped for
[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
Unfortunately, most B12 shot brands still use water
Compared with GLP-1 medications, lipotropic injections are cheaper and have far fewer systemic side effects, but they also do not alter hunger hormones or gastric emptying, and they do not produce comparable results
In this setting, oral replacement will be of interest for clinicians to avoid painful and administration difficulties, and cost of monthly injections