Stan "The White Rhino" Efferding is an American IFBB professional bodybuilder and a powerlifter competing in the Southern Powerlifting Federation.

Stan discusses being Jon "Bones" Jones personal trainer today, entering his first body building competition at 158 LBS, training with Flex Wheeler, the difference between body building and strength training, why the vertical diet shows you that red meat is not bad for humans & his appearance on "Shark Tank"!

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