
The Keto for Life: Reset Your Biological Clock in 21 Days and Optimize Your Diet for Longevity: Audiobook
According to The Books Insider's catalog data, The Keto for Life: Reset Your Biological Clock in 21 Days and Optimize Your Diet for Longevity runs 10.1 hours as an unabridged audiobook, narrated by Brad Kearns (about 6.7 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 10.1 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 21 days |
| 1 hour / day | 11 days |
| 2 hours / day | 6 days |
| 1 hour / day at 1.5× | 7 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 10.1 hours, it runs longer than 89% of the 4,141 Fitness, Diet & Nutrition audiobooks in our catalog.
More narrated by Brad Kearns
Brad Kearns narrates 6 unabridged audiobooks in our catalog, 63 hours in all.
- The Keto Reset Diet: Reboot Your Metabolism in 21 Days and Burn Fat Forever
- Two Meals a Day: The Simple, Sustainable Strategy to Lose Fat, Reverse Aging, and Break Free from Diet Frustration Forever
- The New Primal Blueprint: Reprogram Your Genes for Effortless Weight Loss, Vibrant Health and Boundless Energy
- Primal Prescription: Surviving the 'Sick Care' Sinkhole
- Primal Endurance: Escape chronic cardio and carbohydrate dependency and become a fat burning beast!
About as long, on the Fitness, Diet & Nutrition shelf
324 Fitness, Diet & Nutrition audiobooks in our catalog run within 10% of this length. The most popular on the store:
- Genius Foods: Become Smarter, Happier, and More Productive While Protecting Your Brain for Life
- The Bulletproof Diet: Lose up to a Pound a Day, Reclaim Your Energy and Focus, and Upgrade Your Life
- Bright Line Eating: The Science of Living Happy, Thin & Free
- The Plant Paradox: The Hidden Dangers in ''Healthy'' Foods That Cause Disease and Weight Gain
- Presto!: How I Made Over 100 Pounds Disappear and Other Magical Tales
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 Keto for Life: Reset Your Biological Clock in 21 Days and Optimize Your Diet for Longevity is an audiobook by Mark Sisson and Brad Kearns: a 10.1-hour unabridged recording, read by Brad Kearns, released December 31, 2019, on the Fitness, Diet & Nutrition and Aging & Healthy Lifestyle shelves.
The listen at a glance
- Length
- 10.1 hrs
- Narrated by
- Brad Kearns
- Released
- December 31, 2019
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Fitness, Diet & Nutrition, Aging & Healthy Lifestyle
- ISBN
- 9780593106235
How to listen to The Keto for Life: Reset Your Biological Clock in 21 Days and Optimize Your Diet for Longevity 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 Keto for Life: Reset Your Biological Clock in 21 Days and Optimize Your Diet for Longevity as an audiobook?
The Keto for Life: Reset Your Biological Clock in 21 Days and Optimize Your Diet for Longevity runs 10.1 hours unabridged. At 1.5× speed that drops to roughly 6.7 hours.
Is The Keto for Life: Reset Your Biological Clock in 21 Days and Optimize Your Diet for Longevity free as an audiobook?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates The Keto for Life: Reset Your Biological Clock in 21 Days and Optimize Your Diet for Longevity?
The Keto for Life: Reset Your Biological Clock in 21 Days and Optimize Your Diet for Longevity is narrated by Brad Kearns.
Is The Keto for Life: Reset Your Biological Clock in 21 Days and Optimize Your Diet for Longevity worth listening to at 1.5× speed?
At 1.5× you'd finish in about 6.7 hours, saving 3.4 hours.