Sliced Bread - Series 14: Kefir

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This episode is 25 minutes long.

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This episode was published on February 5, 2026.

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from Sliced Bread · host BBC Radio 4

Listener Amanda was Kefir curious, and got in touch with Sliced Bread to ask if the Kefir she was consuming for breakfast every day – was really having an impact on her health, cognitive function, and her gut? She wasn’t the only person to get in touch about kefir either, with others saying they keep seeing the benefits of fermented foods crowed about on social media. Greg Foot talks to head of the Food Biosciences department at the Irish National Research Body Teagasc, to get to the bottom of it. Each episode Greg investigates the latest ad-hyped products and trending fads promising to make us healthier, happier and greener. Are they really 'the best thing since sliced bread' and should you spend your money on them? If you’ve seen an ad, trend or wonder product promising to make you happier, healthier or greener, email us at [email protected] or send a voice note to our WhatsApp number, 07543 306807. RESEARCHER: PHIL SANSOM PRODUCERS: KATE HOLDSWORTH & GREG FOOT

Episode metadata supplied by the publisher feed · Published Feb 5, 2026

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Sliced Bread - Series 14: Kefir

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