Jillian Michaels and Bob Harper – longtime trainers on “The Biggest Loser" – appeared inseparable on screen, but behind the scenes their friendship fell apart.

Among other claims, Netflix’s “Fit for TV: The Reality of the Biggest Loser” alleges Michaels plied contestants with caffeine pills even though they were supposedly banned, restricted competitors’ calorie intakes to dangerously low levels, and denied medical care and medicine to some.