Performance Nutrition Digest

Performance Nutrition Digest

Caffeine may exacerbate exercise-induced gut damage ⚠️

An area of concern for athletes?

Tom Coughlin's avatar
Tom Coughlin
Dec 04, 2025
∙ Paid

Caffeine exacerbates exercise-induced gut cell damage and is influenced by ADORA2A genotype but not CYP1A2 genotype: A preliminary study

Thanks for reading Performance Nutrition Digest! Subscribe for free to receive new posts and support my work.

Study Details

This new study recruited 18 participants to ingest either…

☕️ Caffeine (3 mg/kg)

💊 Placebo

…45-mins…

User's avatar

Continue reading this post for free, courtesy of Tom Coughlin.

Or purchase a paid subscription.
© 2026 Tom Coughlin · Privacy ∙ Terms ∙ Collection notice
Start your SubstackGet the app
Substack is the home for great culture