Provincial drug information services can answer questions about medication interactions and safety concerns, though staff may have limited familiarity with research peptides specifically
Moreover, it is very rare that any forms of vitamin B12 are found in plant-based foods, making a dietary supply of B12 difficult for vegans to obtain (see here: Vitamin B12 for Vegetarians and Vegans)
As indicated, this water-soluble vitamin would get eliminated from the body in a few hours or days
(1996) Phase I clinical study of melanotan-II, evaluation of dosing and safety in healthy volunteers International Peptide Society Melanotan II Monograph Comprehensive peptide monograph covering dosing protocols and titration guidance DermNet NZ Melanotan II Information for Patients Clinical dermatology guidance on melanotan use, side effects, and maintenance dosing PubMed Nelson ME et al
In reality, it is simply suited to a different type of useprimarily single-use applications