What do you think of alternative testing like hair mineral analysis or SpectraCell? | Masterjohn Q&A Files #20

<p>Question: "What do you think of alternative testing like hair mineral analysis or SpectraCell?"</p> <p>I'm against SpectraCell on the basis of, it's not validated. I gave more details in a podcast episode "What Makes a Good Marker of Nutritional Status?" and you can find that at chrismasterjohnphd.com/marker.</p> <p>Hair mineral analysis; I like hair mineral analysis when there is nothing better and more validated. For a lot of the trace minerals where we don't have good, validated markers of nutritional status, so I think hair mineral analysis is good. I also think hair mineral...