Despite these restrictions, the substance circulates on the black market, often marketed as "research peptides" or smuggled injectable pens ("canetas"), with sales occurring through online platforms, social media, marketplaces such as Mercado Livre, or importation from Paraguay
Currently, it is used as medication for adults who are obese or overweight, provided they have at least one weight-related comorbidity (for instance, high blood pressure, type 2 diabetes, or high cholesterol) [28]
Taking iron supplements with vitamin C enhances absorption, while calcium and tannins (in tea) inhibit it
Limitations: Lower Bioavailability: Even with liposomal forms, absorption may not match IV levels
Reduces oxidative stress