13 peptides uses automated, and manual peptide synthesizers as well as solution and solid-phase peptide synthetic technology to offer the finest quality peptides and proteins that exceed 99% purity. From the initial stages of peptide synthesis to packaging and delivery, our company implements the most stringent quality control standards to ensure that all peptides arrive in their purest and most stable form. Testing at all stages of production in our analytical laboratory verifies each peptide’s sequential fingerprint for precision accuracy. This is achieved through advanced High-Performance Liquid Chromatography and Mass Spectrometry analysis, scientifically confirming the purity, accuracy, and identity of every peptide.