Exercising while fasting alters metabolic rate and fat oxidation
the verdict
SUPPORTED
the evidence backs this
confidence 93/100
Fasted exercise induces unique metabolic adaptations, increasing circulating free fatty acids and enhancing fat oxidation compared to exercising in a fed state.
Evidence for · 3
Flipping the Metabolic Switch: Understanding and Applying the Health Benefits of Fasting
2017 · cited by 763
Reviews the physiological responses to fasting and the metabolic switch, highlighting the mobilization of fat through fatty acid oxidation.
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More for · 2
Effects of fasted vs fed‐state exercise on performance and post‐exercise metabolism: A systematic review and meta‐analysis
2018 · cited by 108
A systematic review and meta-analysis demonstrating that fasted exercise significantly increases post-exercise circulating free fatty acids and alters metabolic adaptations compared to fed exercise.
Effects of Fed- Versus Fasted-State Aerobic Training During Ramadan on Body Composition and Some Metabolic Parameters in Physically Active Men
2012 · cited by 34
Compares aerobic training in a fasted versus fed state and concludes that fasted training leads to favorable decreases in body fat percentage and alterations in metabolic parameters.