How to Read a COA and Evaluate a Peptide Product A Certificate of Analysis (COA) from a compounding pharmacy or research supplier should include, at minimum: identity confirmation (typically HPLC or mass spectrometry), purity percentage (greater than 98% is standard for research-grade peptides), endotoxin testing (LAL assay, critical for injectable preparations), sterility testing, and the specific lot number and test date
While laboratory research continues to evolve, selecting high-quality research materials remains essential for generating reliable and reproducible results
Net weight/net content: 12 x 80 ml Ingredients: Water, L-carnitine, acidifier: E330, flavor, acidity regulator: E331, preservatives: E211, E202, sweetener: E955
Role in Immune Function White blood cells and Tcells rely on glutathione to respond to infections and inflammation