The Books Insiderindependent audiobook data
The Keto for Life: Reset Your Biological Clock in 21 Days and Optimize Your Diet for Longevity by Mark Sisson, Brad Kearns

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).

10.1listening hrs
Fitness, Diet & Nutritionstore shelf
2019released
Free for new listeners

The instrument When will you finish it?

Based on 10.1 hours of listening.

Days to finish The Keto for Life: Reset Your Biological Clock in 21 Days and Optimize Your Diet for Longevity at common listening paces
Your paceYou'll finish in
30 min / day21 days
1 hour / day11 days
2 hours / day6 days
1 hour / day at 1.5×7 days

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.

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 free

Questions 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.