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Caffeinated chewing gum produces comparable strength and power gains
This peer-reviewed study compares caffeine administered via chewing gum versus capsules on maximal strength, muscular power, and side effects in resistance-trained men performing bench press and back squat exercises. The double-blind, randomized trial with 16 participants found that caffeinated chewing gum produces comparable strength and power gains to capsules while causing fewer side effects.
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Summary
This peer-reviewed study compares caffeine administered via chewing gum versus capsules on maximal strength, muscular power, and side effects in resistance-trained men performing bench press and back squat exercises. The double-blind, randomized trial with 16 participants found that caffeinated chewing gum produces comparable strength and power gains to capsules while causing fewer side effects.
Tags
caffeine · exercise-performance · chewing-gum · resistance-training · ergogenic-aid · sports-nutrition · strength-training
Key entities
Li Ding (person, 0.95) · Jue Liu (person, 0.95) · Yinhang Cao (person, 0.95) · Olivier Girard (person, 0.95) · Yixuan Ma (person, 0.9) · Shanghai University of Sport (organization, 0.98) · Fudan University (organization, 0.95) · The University of Western Australia (organization, 0.95) · Fujian Agriculture and Forestry University (organization, 0.9) · Journal of the International Society of Sports Nutrition (organization, 0.95) · caffeine ergogenic effects (concept, 0.97) · caffeinated chewing gum (concept, 0.97) · resistance exercise performance (concept, 0.93) · Shanghai (location, 0.95) · Perth (location, 0.85)
Classification
reference · language en · status final
Provenance
claude-opus-4-6 via @stacklist/mcp-server@2.0.0, confidence 0.85, 30 Aug 2026