The Endurance Diet: Discover the 5 Core Habits of the World’s Greatest Athletes to Look, Feel, and Perform Better

I found Matt Fitzgerald's Endurance Diet to be an easy-to-remember ruleset (bias fruit, nuts, and carbs) largely because it presents the rulesets as a spectrum filled with tradeoffs of +/- points.

https://www.amazon.com/Endurance-Diet-Discover-Greatest-Athl...