I don't know much about this one, but Peter Attia did cover it in an article last year. His take home was that it showed nowhere near the same improvement as rapamycin and he wanted to see more studies before recommending it.
Thoughts on the first efficacy trial recently published
peterattiamd.com
On a side note since it is the topic of this thread, The Drive #148 goes into a number of longevity drugs and therapies.
“I don't really care what causes aging. What I care about is: What is the process that can postpone all the different aspects of aging?” — Rich Miller
peterattiamd.com