This article references: Inhibition of IL-11 signalling extends mammalian healthspan and lifespan https://www.nature.com/articles/s41586-024-07701-9
StatPearls: Interleukin (https://www.ncbi.nlm.nih.gov/books/NBK499840/)
Cytokines, like the Interleukins 1 thru 40, are multifunctional signalling molecules. Blocking them across the board would likely have adverse consequences in humans.
Interleukin-11: Review of Molecular, Cell Biology, and Clinical Use https://ashpublications.org/blood/article/89/11/3897/138854/Interleukin-11-Review-of-Molecular-Cell-Biology
Interleukin-11: A Multifunctional Cytokine with Intrinsically Disordered Regions DOI: 10.1007/s12013-016-0752-7 https://pubmed.ncbi.nlm.nih.gov/27334537/