The Books Insiderindependent audiobook data
The Fibre Factor: A Science-backed Guide to a Healthier Gut, Stronger Heart and Sharper Brain by Joanna McMillan

The Fibre Factor: A Science-backed Guide to a Healthier Gut, Stronger Heart and Sharper Brain: Audiobook

According to The Books Insider's catalog data, The Fibre Factor: A Science-backed Guide to a Healthier Gut, Stronger Heart and Sharper Brain runs 7.4 hours as an unabridged audiobook, narrated by Joanna McMillan (about 5 hours at 1.5× playback speed).

7.4listening hrs
Health & Wellnessstore shelf
2026released
Free for new listeners

The instrument When will you finish it?

Based on 7.4 hours of listening.

Days to finish The Fibre Factor: A Science-backed Guide to a Healthier Gut, Stronger Heart and Sharper Brain at common listening paces
Your paceYou'll finish in
30 min / day15 days
1 hour / day8 days
2 hours / day4 days
1 hour / day at 1.5×5 days

Part of The Audiobook Finish-Time Calculator: the same instrument for any audiobook we measure.

What our data says

  • At 7.4 hours, it runs longer than 70% of the 37,888 Health & Wellness audiobooks in our catalog.

Computed from 409,794 English-language unabridged audiobooks in The Books Insider catalog (store data read November 3, 2026). Lengths are the store's own running times. Methodology.

About this listen

The Fibre Factor: A Science-backed Guide to a Healthier Gut, Stronger Heart and Sharper Brain is an audiobook by Joanna McMillan: a 7.4-hour unabridged recording, read by Joanna McMillan, released March 24, 2026, on the Health & Wellness shelf.

The listen at a glance

Length
7.4 hrs
Narrated by
Joanna McMillan
Released
March 24, 2026
Format
Unabridged audiobook
Language
English
Store shelves
Health & Wellness
ISBN
9781761356742

How to listen to The Fibre Factor: A Science-backed Guide to a Healthier Gut, Stronger Heart and Sharper Brain free

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Questions listeners ask

How long is The Fibre Factor: A Science-backed Guide to a Healthier Gut, Stronger Heart and Sharper Brain as an audiobook?

The Fibre Factor: A Science-backed Guide to a Healthier Gut, Stronger Heart and Sharper Brain runs 7.4 hours unabridged. At 1.5× speed that drops to roughly 5 hours.

Is The Fibre Factor: A Science-backed Guide to a Healthier Gut, Stronger Heart and Sharper Brain free as an audiobook?

Yes, for new listeners: the trial starts you with three free audiobooks.

Who narrates The Fibre Factor: A Science-backed Guide to a Healthier Gut, Stronger Heart and Sharper Brain?

The Fibre Factor: A Science-backed Guide to a Healthier Gut, Stronger Heart and Sharper Brain is narrated by Joanna McMillan.