Plot: This next chapter in the flagship Generation Iron film series explores the controversial world of professional natural bodybuilding by following top pros competing for the Natural Olympia title in a league dedicated to ensuring all competitors are free of performance enhancing drugs. With drug use evolving at a rapid pace across sports and entertainment, natural bodybuilding as a whole has been criticized and questioned
Kai Greene
Mike O'Hearn
Vlad Yudin
Josh Heilbronner