Often, fewer larger vials cost less per milligram than many smaller ones, even if the per-vial price is higher
(2024) Glucagon-like peptide-1 receptor: mechanisms and advances in therapy Ryan, D.H., Lingvay, I., Deanfield, J
Adding 2 mL creates a 2.5 mg/mL concentration, which is the most commonly recommended option because it produces clean numbers on U-100 insulin syringes
Published clinical research has characterised the compound in controlled trials: a Phase 2 obesity trial reported dose-dependent body-weight change in the study population (Jastreboff et al., 2023), and a separate Phase 2 trial investigated the GIP/GLP-1/glucagon agonist in people with type 2 diabetes (Rosenstock et al., 2023)
The more meaningful risks are compounding quality, sterile technique, and the possibility of masking an undiagnosed condition behind a monthly energy boost
What Are The Best The Ordinary GHK-Cu