8-12 hours IM) Preferred by 64% of patients who've tried both Intramuscular (into deltoid or vastus lateralis, using a 22-25 gauge, 1-inch needle): 41% report injection-site soreness Faster absorption More difficult self-administration for some sites (deltoid requires non-dominant arm injection) Preferred by 36% of patients who've tried both The efficacy difference is minimal
Always confirm against your own vial, diluent, and clinician or pharmacy instructions
Wu GF, Ren S, Tang RY, et al
A 10 mg vial typically costs $50 to $100 or more, depending on supplier and purity
Arma Peptides publishes a Certificate of Analysis (CoA) for each batch, giving researchers a documented reference point for pH, sterility, and benzyl alcohol content ahead of use in any study protocol