Main content
This programme will be available shortly after broadcast

Collagen (2026 update)

Greg Foot investigates the wonder products promising to make you happier, healthier or greener. Does Collagen rejuvenate your skin, hair and nails - and even help with bone health?

What's the latest on Collagen?

The new series of Sliced Bread kicks off with an update on one of the wonder products most-requested by listeners. Presenter Greg Foot first looked at Collagen in 2022 and returns to the subject to find out what has changed in the scientific landscape since then. Could there be new evidence that it really can do what the manufacturers claim: rejuvenate skin, nails and hair - and even help with joint and bone health?

To find out, Greg is rejoined by the expert from that original episode four years ago, dermatologist Dr Emma Wedgeworth, alongside Professor Jayne Tierney from University College London who specialises in reviewing evidence.

Together they do a deep-dive on the latest science, including a new study from one of the brands featured in 2022, Absolute Collagen. Does it stand up to scrutiny?

If you’ve seen an ad, trend or wonder product promising to make you happier, healthier or greener, email us at sliced.bread@bbc.co.uk or send a voice note to our WhatsApp number, 07543 306807.

RESEARCHER: PHIL SANSOM
PRODUCERS: PHIL SANSOM AND GREG FOOT

24 minutes

On radio

Thursday12:32
BBC Radio 4

More episodes

Previous

Dough - Food

Next

Earwax Removers

See all episodes from Sliced Bread

Broadcasts

  • Thursday12:32
    BBC Radio 4
  • Saturday17:30
    BBC Radio 4

Podcast

  • Sliced Bread

    While Sliced Bread takes a break, we serve up… Dough.