SiS Gel Beta Fuel + Nootropics Energy Gel Lemon Lime is a dual source endurance gel built to help you hit 80 to 120g carbohydrate per hour with an optimised 40g carbohydrate per serving, designed for steady physical power with minimal GI discomfort. It also adds nootropics and energising ingredients to help you stay mentally switched on while you train or race, with a balanced maltodextrin to fructose ratio that improves carbohydrate efficiency and can reduce fullness symptoms.