Not the first and surely not the last film hoping to overwhelm carnivores with evidence that abandoning meats wouldn't be the kind of change they've been led to believe, Louie Psihoyos' The Game Changers puts most of its energy into profiling athletes whose amazing strength and endurance derive entirely from plant-based diets. Almost identical in shape and content to Santino Panico's recent From the Ground Up, Psihoyos' version is much more polished and slightly less likely to leave viewers feeling they've been beaten over the head with a tuber.

As in the other film, this one uses an injured athlete...