Substituting bacteriostatic water with plain sterile water or vice versa can compromise experiment reproducibility due to stability and contamination risks. Peptides Direct Pro Tip: When accessing a multi-dose vial repeatedly, use a new sterile needle for each withdrawal
Slonim, A.E., Borum, P.R., Tanaka, K., et al., Dietary dependent carnitine deficiency as a cause of nonketotic hypoglycemia in an infant, J

Why Torsena Analytical Testing Purity verified by third-party HPLC and mass spectrometry No Fillers Mannitol-free, no bulking agents or buffer salts Batch Transparency Certificate of Analysis available upon request Consistent Availability Single vials and bulk quantities maintained in stock EU Distribution Shipped from European fulfillment with tracked courier Full Documentation Batch-specific CoA and MSDS available for institutional procurement Product Specifications Chemical Name: GHK-Cu (Glycyl-L-histidyl-L-lysine Copper(II) Complex) Synonyms: Copper peptide, Cu-GHK, Copper tripeptide-1 CAS Number: 49557-75-7 Molecular Formula: CHCuNO Molecular Weight: 403.92 g/mol Purity: 99% (HPLC/MS) Physical Form: Blue lyophilized powder Additives: None (mannitol-free) Intended Use: In-vitro / ex-vivo laboratory research only Amino Acid Sequence Gly-His-Lys Cu Metal Coordination: Copper(II) bound via histidine imidazole nitrogen, glycine amino terminus, and deprotonated amide nitrogen Peptide Length: 3 amino acids Type: Linear tripeptide-metal complex Analytical Transparency All Torsena research materials are tested for purity and identity by HPLC and mass spectrometry analysis

It is typically treated with vitamin B12 injections rather than standard oral supplements