James Nolan

James Nolan is the lead writer and calisthenics coach at Gymnase Tips, covering bodyweight training and no-equipment strength programs. Every routine is tested in real training before publication, and supplement reviews are checked against clinical dosing — not marketing claims. Guides are updated as standards change. Spotted an error? Reach the editorial team via the About page.

Does Pre-Workout Make You Poop? The Science, Timing & 5 Fixes

Lifestyle / By James Nolan / 10 minutes of reading / 1 Comment

Why does pre-workout make you poop? Caffeine and sugar alcohols trigger the gastrocolic reflex 15 to 45 minutes after consumption. Full timing, fixes, and when to see a doctor.

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