Frontiers Therapeutic peptides in gerontology: mechanisms and applications for healthy aging PDF) Overview of EpitalonHighly Bioactive Pineal Tetrapeptide with Promising Properties Epithalon Peptide: The Bioregulator That Lengthens Telomeres and Activates Telomerase The Peptide Report Epitalon increases telomere length in human cell lines through telomerase upregulation or ALT activity Biogerontology Springer Nature Link PDF) Epitalon increases telomere length in human cell lines through telomerase upregulation or ALT activity