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Stability at a glance: Lyophilized powder at minus 20C: stable for many months Bacteriostatic water solution at 2 to 8C: roughly 28 days Sterile water solution at 2 to 8C: a few days at most Single-use aliquots frozen at minus 20C: the longest option, but freeze only once Proper Documentation and Labeling Methods Good records turn a vial into reliable data
Product Specifications Compound: BPC-157 / TB-500 dual-peptide blend Composition: 10 mg BPC-157 + 10 mg TB-500 (1:1 ratio) Total content: 20 mg per vial Purity: 99% per component (HPLC verified) Physical form: Lyophilized powder Lab testing: In-house HPLC and mass spectrometry COA: Batch-specific, available for every order View COA here: Lab Results | CentralPeptides.ca Storage and Handling The BPC-157 / TB-500 blend is supplied as a lyophilized (freeze-dried) powder for maximum stability during shipping and storage
Michael Phelps Founder & Peptide Research Specialist, PrymaLab Published January 15, 2025 Updated May 18, 2026 ~14 min read Quick Answer What is bacteriostatic water used for in peptide science
Why antihistamines fall short Traditional H1 antihistamines (cetirizine, loratadine, fexofenadine) block histamine receptors on target tissues
For example, insulin is a peptide hormone that is permitted with a TUE for athletes with diabetes
