The American Academy of Dermatology's 2023 expert consensus statement on oral minoxidil for hair loss does not mandate routine liver function testing, though it notes that baseline labs are "reasonable" for patients on concurrent hepatically metabolized medications [9]
Consistent intake over several months tends to produce the most reliable results
The bad news is that toxins from poor diet, pollution, medications, stress, trauma, aging, infections and radiation all deplete your glutathione
GSH-C4, Butyroyl Glutathione
So what I'm hearing you say is that historically, we would have to go through some stress, confront cold or confront heat or confront effort or hunger, have to exercise, essentially, in order to obtain these compounds