Performance Nutrition Digest

Performance Nutrition Digest

Genetic performance differences with caffeine supplementation 🧬☕️

Are you a fast or slow caffeine metaboliser?

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Tom Coughlin
Feb 15, 2026
∙ Paid

CYP1A2 Genotype and the Ergogenic Effect of Acute Caffeine Intake on Muscular Strength and Endurance Performance in Trained Individuals

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Study Details

This new study investigated whether the effects different genotypes of CYP1A2…

…affects the ergogen…

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