TV SERIES
Why Do I Put on Weight?
TMDb7.02019-01-01· 45 min / ep· 1 season · 1 episodes
Documentary
Geneticist Giles Yeo and his team assess five overweight volunteers, before putting them on personalised diets tailored to their bodies and brains.
Top cast
Below are the streaming services currently carrying the TV show “Why Do I Put on Weight?” in Canada, along with how each offers it (subscription, buy, or rent) and a direct link. Licensing differs by market, so availability in Canada can differ from other countries.
Where to watch Why Do I Put on Weight? in Canada
Netflix
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OSN+
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Amazon Prime Video
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Shahid
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Watch It
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TOD
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Disney+
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Apple TV+
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Not currently available on the supported providers in Canada.
Availability can change as licenses rotate — confirm on the provider’s page before subscribing. Last checked: 4 Sept 2026.