Grylls went on to admit he is no stranger to feasting on exotic flesh. As well as having ingested over 100 rattle snakes in his time, he's also sampled "raw goats' testicles, a camel's intestinal fluids or bear poo... or maybe elephant dung, snakes and scorpions."
Although unlike Madonna, he isn't a fan of drinking urine.
"It's terrible and people always ask me in bars if I want a pint of urine," he told Heat. "I'm not one of those people who does it for fun, though."