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Generation Iron: Natty 4 Life

Generation Iron: Natty 4 Life

2020·Movie·1h 48m

Documentary

7.8 / 10 (5 votes)

Natty or Not?

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. Can the league guarantee that these competitors are truly natural?

Directed by
Vlad Yudin
Original language
English
Released
31 July 2020

Where to Watch

Availability in the US · Subtitle and audio track data

Prime Video
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Subtitle and audio languages not checked yet.

Last verified 2 Nov 2026

Cast

  • Kai Greene

    Kai Greene

    Himself

  • Mike O'Hearn

    Mike O'Hearn