SFuels Zone 4 High Intensity Training and Racing Fuel

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Multiple Substrates: Consistent, stable energy without the crash. Train High-Intensity: Formulated specifically for Zone 4 and Zone 5 threshold efforts. Zero Fructose: Promotes rap id gut transit and protects gut membrane integrity. Accelerated Recovery: Infused with Glutamine and MCTs to reduce post-workout muscle soreness (DOMS). Show more