Red said
With this type of stuff does anyone make any type of objective assessment on how it is working or is it just a leap of faith/assumption that it must be doing something?
I will admit some biased obviously but Purus Labs Organ Shield has some of the best overall health ingredients that are clearly backed by science and I can tell (somewhat subjectively) when I am not taking them.
In replying to Red though, I'd say overall you are taking a leap of faith....in a manner of speaking. You most likely won't feel them working like other performance supplements though so it may be hard to distinguish what you are getting out of them without som regular blood work and things of that nature.
I can vouch for OS as the ingredients are solid and have been shown in numerous studies to have positive findings. Specifically as Criticalbench mentioned Coq10 is a powerhouse and NAC are good to go. There has ben some recent positive studies with NAC in the athletic areas as well.