Problem is, who draws the line and where do you draw it? Fat burners with banned substance are ok, but not weight lifting supplements with them? Can I take a cold medicine with an amphetamine in it? How about the same dosage as the cold medicine, but I take it regularly for "allergies." If I'm on the allergy medication, can I also take the other stuff if I get a cold? The line is too amorphous. You basically have to list the banned substances and enforce every violation or you're gonna get a couple thousand guys with excuses for all the stuff they are taking.