This seems like total and complete bullshit to me.
From what I understand, Adrenochrome is not a positive experience. It resembeles more an uncomfortable psychotic state like schizophrenia rather then anything someone would want to use.

That's why people take Niacin to neutralize the natural adrenochrome buildup in the body. If you drink a ton of coffee and start getting that f'd up feeling in your body and affect starts to flatten, niacin will neutralize.

Does not seeem like it has any desirable effects what-so-ever.