Primal Endurance

None

Book • 2010

Mentioned by

Mentioned by

Mark Sisson

as a book containing information on the 21-day transformation and how to get into the fat-burning cycle.

Mentioned by

Tom Bilyeu

as one of

Mark Sisson

's books.

Mentioned by

Mark Sisson

as a book he wrote 10 years ago.

Written by

Mark Sisson

and

Brad Kearns

, focusing on endurance training and metabolic efficiency.

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