Science In Sport

(3 products)

Science In Sport (SIS) makes GO Isotonic Energy Gels, designed to be taken without water thanks to their isotonic formulation, available as single 60ml gels or in variety packs of 7 or 20.

A trusted choice among endurance athletes for reliable, easy-to-digest fuelling during exercise.

Energy gels are concentrated in carbohydrates — while isotonic gels are designed to be taken without water, those prone to digestive sensitivity during exercise may still prefer to take them with fluid.
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