Downsize Me! is a New Zealand weight and diet reality series that aired on TV3. The show focuses on informing and helping overweight New Zealanders make healthy life options, lose weight and get back into shape.

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Downsize Me! aired on Sky Livingit in the United Kingdom, and Foxtel in Australia.

Each week a new obese person or couple appears on the show and is put under pressure to lose weight, change their diet and/or exercise habits to get their life back into shape, by a team of professional experts.

• Obesity in New Zealand