Genetic performance differences with caffeine supplementation 🧬☕️ Are you a fast or slow caffeine metaboliser?Tom CoughlinFeb 15, 2026∙ PaidShareCYP1A2 Genotype and the Ergogenic Effect of Acute Caffeine Intake on Muscular Strength and Endurance Performance in Trained IndividualsThanks for reading Performance Nutrition Digest! Subscribe for free to receive new posts and support my work.SubscribeStudy DetailsThis new study investigated whether the effects different genotypes of CYP1A2……affects the ergogen…Continue reading this post for free, courtesy of Tom Coughlin.Claim my free postOr purchase a paid subscription.PreviousNext