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March 13, 2026: FDA Sends Warning Letter to Novo Nordisk The FDA has sent a warning letter to the maker of Ozempic and Wegovy over a potential failure to report side effects connected to these drugs
The defining feature of this molecule is the unusual gamma-peptide linkage between glutamate and cysteine, which protects the compound from being rapidly degraded by standard intracellular peptidases
Reputable vendors provide certificates of analysis (COAs) showing actual peptide content, purity, and endotoxin testing results
13 C NMR (100 MHz, DMSO-d 6 ) = 164.6, 163.5, 156.2, 151.5, 141.8, 128.5, 127.9, 127.7, 115.5, 111.7, 108.7, 91.6, 90.7, 89
