People are actually very motivated to contribute to science, here's an example of research involving pets and extending their healthspan across aging: http://dogagingproject.com
Phase I clinical trial: https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/28374166/
Phase II is in progress.
Interview with Matt Kaeberlein from the project: https://www.leafscience.org/dr-matt-kaeberlein-the-dog-aging...