Yeah, adrenaline is chemical not normally present, so if adrenaline had as taste- it's kind of logical (and any other stress hormones).
When you are lucky enough to grow up on the best every night - you notice.
A Total shock to the system when I Ieft home at 17, though and had to buy it..... shiiiiiiiiiiit , how much? lol - gimme the economy mince please...