There were some hilarious reviews on Amozon for them. Laxative effect is an understatement.
Oh my yes. Those reviews are HERE. A quote from one:
Extremely painful intestinal spasms, followed by massive, explosive flatulence, followed by the harrowing ordeal of all my entrails trying to escape at once from my body through my corn chute.
Hmm...I'm catching some sort of negative vibes there...