The Fibre Formula: Feed Your Gut, Support Immunity & Live Well for Longer: Audiobook
According to The Books Insider's catalog data, The Fibre Formula: Feed Your Gut, Support Immunity & Live Well for Longer runs 3.9 hours as an unabridged audiobook, narrated by Rhiannon Lambert (about 2.6 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 3.9 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 8 days |
| 1 hour / day | 4 days |
| 2 hours / day | 2 days |
| 1 hour / day at 1.5× | 3 days |
You'll finish in – by –
Part of The Audiobook Finish-Time Calculator: the same instrument for any audiobook we measure.
What our data says
- At 3.9 hours, it is shorter than 53% of the 4,141 Fitness, Diet & Nutrition audiobooks in our catalog.
More narrated by Rhiannon Lambert
Rhiannon Lambert narrates 4 unabridged audiobooks in our catalog, 20 hours in all.
About as long, on the Fitness, Diet & Nutrition shelf
237 Fitness, Diet & Nutrition audiobooks in our catalog run within 10% of this length. The most popular on the store:
- No Animal Food and Nutrition and Diet with Vegetable Recipes
- Skinny Bitch: A No-Nonsense, Tough-Love Guide for Savvy Girls Who Want to Stop Eating Crap and Start Looking Fabulous!
- The Ultimate Fasting Guide: Learn the intermittent fasting and autophagy diet secrets that men and women have successfully followed to reset their metabolism, enhance anti-aging, increase energy, weight loss, detox and more
- The Plant Paradox Quick and Easy: The 30-Day Plan to Lose Weight, Feel Great, and Live Lectin-Free
- Keto Mastery: Follow the Advanced Ketogenic/ Low Carbohydrate Diet That Many Top Performing Men and Women Athletes Have Used For Reaching Peak Performance, By Following This Complete Dieting Guide!
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 Formula: Feed Your Gut, Support Immunity & Live Well for Longer is an audiobook by Rhiannon Lambert: a 3.9-hour unabridged recording, read by Rhiannon Lambert, released June 16, 2026, on the Fitness, Diet & Nutrition shelf.
The listen at a glance
- Length
- 3.9 hrs
- Narrated by
- Rhiannon Lambert
- Released
- June 16, 2026
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Fitness, Diet & Nutrition
- ISBN
- 9798217309665
How to listen to The Fibre Formula: Feed Your Gut, Support Immunity & Live Well for Longer free
New members at audiobooks.com get three free audiobooks with the trial.
Separately, the store's catalog carries more than 10,000 audiobooks that are always free to stream.
Start listening freeQuestions listeners ask
How long is The Fibre Formula: Feed Your Gut, Support Immunity & Live Well for Longer as an audiobook?
The Fibre Formula: Feed Your Gut, Support Immunity & Live Well for Longer runs 3.9 hours unabridged. At 1.5× speed that drops to roughly 2.6 hours.
Is The Fibre Formula: Feed Your Gut, Support Immunity & Live Well for Longer free as an audiobook?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates The Fibre Formula: Feed Your Gut, Support Immunity & Live Well for Longer?
The Fibre Formula: Feed Your Gut, Support Immunity & Live Well for Longer is narrated by Rhiannon Lambert.