FOXO4 Research Compound Power Peptides FOXO4 DRI: The Senolytic Peptide That Targets Zombie Cells and Aging Revolution Health & Wellness GET RID OF ZOMBIE CELLS WITH FOXO4 DRI , FOXO4 DRI is like a tiny tool scientists made to get rid of old, worn out cells in your body called senescent cells. These cells stop growing and just sit The FOXO4 peptide in a DRI conformation (D amino acids in a retro reversed sequence), henceforth named FOXO4 DRI, competes with FOXO4 for p53 binding in a dose dependent manner and doing so with higher affinity.