The TV personality was filmed downing the heart of a cobra in a snake restaurant in Vietnam as part of his series Gordon's Great Escape, which airs in the U.K. on Monday (16May11).
Ramsay is warned he will feel the organ beating in his stomach for several minutes afterwards as he admits, "The thought of eating that turns my stomach."
The episode has not gone down well with animal rights activists at U.K. charity Animal Aid, who have branded Ramsay's stunt "cruel, attention-seeking (and) sick".
Animal Aid director Andrew Tyler adds, "It's an awful and vicious thing to do to an animal and Gordon Ramsay is complicit in it.
"He's made sick entertainment out of this animal's suffering to make himself look interesting but I think he's just an inadequate creature."
A spokesperson for the Channel 4 network insists, "Viewers are made aware before the start of the programme that some sequences feature animal slaughter."