Starcast Join the waitlist
Two Percent with Michael Easter

Two Percent with Michael Easter

#51: Creatine, Wearables, Carbs: What's Hype and What's Real | Brady Holmer

Oct 1, 2026 · 51m

Coming soon to iPhone. Already have it? “Listen in Starcast” takes you straight there.

On this episode

About this episode

Michael speaks with Brady Holmer, the exercise scientist and 2:24 marathoner behind the Substack Physiologically Speaking, about which fitness trends hold up. Brady explains why he stopped taking creatine, which numbers on your wearable to ignore, and why endurance athletes now eat the carbs of three Cokes an hour. They discuss: (00:00) Preview(00:35) Why Brady stopped taking creatine(03:26) Creatine is oversold for the brain(09:14) The wearable numbers to ignore(12:47) The problem with HRV(16:14) What wearables get right(18:49) Carb maxing: three Cokes an hour(24:56) What Lance Armstrong said about carbs(28:11) Race weight and eating enough(32:57) Why carb timing matters(36:33) Why Brady…