Jillian Michaels says Netflix’s "Biggest Loser" documentary isn't just full of lies -- it’s part of a long history of the franchise trying to take her down ... and she's giving TMZ all the receipts to prove it. Gallery Launch Gallery

TMZ caught up with Jillian hot off her IG blast and lawsuit threat Tuesday, and she doubled down -- telling us the documentary paints a false picture, starting by Dr. Robert Huizenga claiming he never worked with her -- something she says is BS 'cause she's got hundreds of emails proving otherwise. Getty

Listen to the full interview ... Jillian blasts the way the documentary twisted her role on the show, accusing Dr. H of dangerously yanking contestants off their meds cold turkey -- while she was the one stepping in to protect them.

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