At least the Harvard team are validating this protein NAD and Mitochondrial Health in longevity studies.
Yep, more research is badly needed in this area.
For now "Junk science" indeed.
My statements on this are more to do with the implementation with out necessary research to back it up. Perhaps more of a "junk treatment" then is the actual scientific basis being junk.
Time and more research will tell us the answers :)
agreed, Looking forward to reading more of your posts and ideas.