Originally Posted by DrPete
ATP doesn't get transported across cell membranes, IIRC. You can pay for it and eat it, but whether it ever gets to the tissue that needs it, i.e. muscle, is up in the air.
Seems bogus. You'd have to eat it, then it enters the blood stream and then it may or may not cross the cell membrane. Nothing beats a line of meth for the last minute edge.