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H-Lys-Thr-Thr-Lys-Ser-OH (KTTKS) (Product: 4025012 Procollagen Type I (212-216)) a subfragment of the carboxy-terminal propeptide of type I collagen (residues 197-241) and represents the minimal sequence shown to stimulate extracellular matrix biosynthesis in fibroblasts

These patients might benefit from biological drugs targeting other cytokines such as IL-1, IL-6 or IFN- or from a cocktail of several antibodies

Some peptides are used in medicine under the care of a physician, but those are prescription medications for very specific, proven conditions and not the generic anti-aging peptide you saw while scrolling

Mortazavi SM et al