Source

*Heavyweight Boxing Campion *Actor

"Yeah, it's been eight months with this vegan stuff, but I get these  explosions of energy. I don't know how long they last, but they're like  explosions. So powerful." 2010 interview

"I wish I was born this way. When you find out about the processed stuff  you have been eating. I wonder why I was crazy all those years." Source

In this interview, Tyson talks about his 130 lb weight loss and jokes about hating vegan food.