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Energy Drinks vs Coffee: Which is Better for Workouts?
Energy drinks and coffee deliver identical workout performance because caffeine is the only proven performance-boosting ingredient in both, with cycling power output differing by less than 1%. Coffee offers additional antioxidant and anti-inflammatory benefits, while energy drinks may introduce cardiovascular risks such as prolonged QTc intervals not caused by caffeine alone.
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Summary
Energy drinks and coffee deliver identical workout performance because caffeine is the only proven performance-boosting ingredient in both, with cycling power output differing by less than 1%. Coffee offers additional antioxidant and anti-inflammatory benefits, while energy drinks may introduce cardiovascular risks such as prolonged QTc intervals not caused by caffeine alone.
Tags
energy-drinks · coffee · caffeine · workout-performance · sports-nutrition · supplements · heart-safety
Key entities
Jagim (person, 0.85) · Lowery (person, 0.85) · International Society of Sports Nutrition (organization, 0.9) · caffeine (concept, 1) · exercise performance (concept, 0.95) · QTc interval (concept, 0.85) · taurine (concept, 0.8) · chlorogenic acids (concept, 0.75)
Classification
analysis · language en · status final
Provenance
claude-opus-4-6 via @stacklist/mcp-server@2.0.0, confidence 0.85, 30 Aug 2026