In the biopharmaceutical, cosmetics, and nutritional health industries, peptide raw materials serve as core ingredients. Their safety and compliance directly impact the market access and brand reputation of end products. Consequently, when selecting or evaluating a peptide manufacturer, the international and domestic authoritative certifications they hold serve as an important benchmark for measuring their production management, quality control, and supply chain stability. A professional peptide manufacturer typically needs to possess the following core categories of certifications: