Thank you for the comment. This is not in my area of expertise, so I hope you can clarify - how does one test that "mitochondria and other energy-related biochem phenomena work as expected"?
Second the question
Just as an example, here is a small part of it: MTFHR mutation causes megaloblastic anemia: https://news.ycombinator.com/item?id=45085439
There are tests out there like https://www.chrismasterjohn-phd.com/mitome
(No affiliation, just have been subscribed to the founder’s substack for a while)