[harryjo]

The lack of an objective test is more problematic tan the lack of a cure.

[manmal]

There was very recently an article about a maybe-upcoming test: https://news.ycombinator.com/item?id=14896255

[lez]

There are tests available, see: http://drmyhill.co.uk/wiki/Mitochondrial_Function_Profile

(and more on that page)

[manmal]

Dr Myhill is quite controversial, and many who followed her advice were not helped by it. Always take advice with a grain of salt if the advice giver peddles her own line of supplements.