IV doses of 25-400 mcg/kg for safety studies Important: These are experimental doses used in animal studies and cannot be extrapolated to other species due to significant differences in metabolism, pharmacokinetics, receptor expression, peptide degradation rates, and tissue distribution patterns

Sterile Water Use Bacterostatic Water when: Multiple withdrawals from the same vial are planned Storage period between uses will exceed a few hours Working with peptides compatible with benzyl alcohol Conducting research requiring preserved multi-use preparations Use Sterile Water (preservative-free) when: Single-use application only Working with neonatal research models (benzyl alcohol contraindicated) Reconstituting compounds sensitive to benzyl alcohol Administering solutions intravenously (bacteriostatic agents contraindicated for IV use) Storage & Handling Storage Conditions Unopened vials: Store at controlled room temperature (20-25C / 68-77F) Opened vials: Refrigerate at 2-8C (36-46F) after first use Protect from: Freezing, excessive heat, direct light Shelf life (unopened): Refer to manufacturer expiration date (typically 2-3 years) Shelf life (opened): 28 days when refrigerated and handled with proper aseptic technique Proper Handling Protocol To maintain sterility and preservative efficacy: Always use aseptic technique Swab rubber stopper with 70% isopropyl alcohol before each entry Use sterile needles and syringes Never reuse needles or syringes Avoid contamination Do not touch needle tip or allow it to contact non-sterile surfaces Minimize air exposure Withdraw contents efficiently

The last round I did not buy them
Someone current on age-appropriate cancer screening (colonoscopy, mammography, PSA testing, skin checks) has more confidence that occult malignancy is not present
Our GHK-Cu Copper peptide is formulated at 1% to be potent enough to offer powerful efficacy, but mild enough to be used on all skin types