What is PDRN? Polydeoxyribonucleotide (PDRN) is made of DNA fragments sourced from the sperm cells of Oncorhynchus mykiss (rainbow trout) or Oncorhynchus keta (chum salmon). Sperm cells are the best source to obtain PDRN because they are free from impurities such as proteins, peptides, and lipids. PDRN has been shown to have therapeutic benefits, including […]