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  • Channel 4

What Not To Eat

  • 2026
  • Returning Series
  • 2 seasons

Professor Tim Spector and Dr Kandi Ejiofor help us navigate the world of ultra-processed foods and understand what effect they have on our bodies.

Latest: Series 1 · 2026

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  1. E1. Episode 1

    Jan 6, 2026 · 47m

    Tim and Kandi take a look at how strawberry milkshake is made, help Vicki and Rob from Scarborough tackle their instant noodle addiction, and show us easy recipes that can benefit our health.

  2. E2. Episode 2

    Jan 13, 2026 · 47m

    Prof Tim Spector and Dr Kandi Ejiofor reveal the science behind why biscuits are so moreish and help Nick and Sarah ditch boxed wine. Plus: what's lurking in ultra-processed ham?

  3. E3. Episode 3

    Jan 20, 2026 · 47m

    What chemicals can be found in diet drinks? And what effect does eating wholefoods and cooking nutritious recipes have on our health? (Ep3/4)

  4. E4. Episode 4

    Jan 27, 2026 · 47m

What Not To Eat | Watch