New to SiS? This bundle is the easiest way to test the lineup and find your favorites. The SiS Trial Bundle brings together a mix of Go and Beta gels, chews, and drink mixes from Science in Sport. From quick-hit isotonic energy to high-carb BETA Fuel, this pack lets you experience how different fueling formats work during training. Whether you're heading out for a long run, ride, or carb burning workout, this bundle gives you a chance to experiment with timing, texture, and flavor so you can dial in your fueling strategy. Expect a mix of gels, chews, and hydration products, including options with caffeine, electrolytes, and high-carb fuel for longer efforts. What's inside (flavors may vary): SiS GO Energy + Caffeine Gel SiS GO Isotonic Energy Gel SiS GO Energy + Electrolyte Gel SiS BETA Fuel Gel SiS BETA Fuel Energy Chew SiS BETA Fuel + Nootropics Gel SiS BETA Fuel 80 Drink Mix Perfect for athletes who want to test before committing to full boxes or anyone looking to upgrade their fueling strategy.
