WORLD-LEADING ENERGY GEL OPTIMISED WITH A NEW CARB RATIO. Part of an entire world-leading fuelling solution range that includes drinks and chews, our Beta Fuel Dual Source Energy Gel is optimised with a brand new 1:0.8 ratio of 40g carbohydrate to enhance your power output, increase your body's carbohydrate usage efficiency, and limit gastrointestinal discomfort to deliver a scientifically superior fuel. Specification INCREASED CARB EFFICIENCY: A 1:0.8 ratio of maltodextrin to fructose increases the percentage of ingested carbohydrate that is oxidized (known as efficiency) from 62% to 74% when compared with a ratio of 2:1 LOWER GI DISTRESS: A 1:0.8 ratio of maltodextrin to fructose reduces self-reported symptoms of stomach fullness and nausea when compared with a ratio of 2:1 ISOTONIC: Beta Fuel gel is isotonic meaning there is no need for additional water to be consumed to allow efficient absorption POWER: A ratio of 1:0.8 enhances mean power output during 10 maximal sprint effor... Dual-source SIS Beta Fuel Gel, delivering 40g carbs in a 1:0.8 ratio for sustained energy Unflavoured formula helps avoid taste fatigue, making it the perfect running gels for long events Ideal for running, cycling, or triathlons over 2 hours, helping you meet 80–120g carb needs per hour Convenient usage: consume 1–3 SIS energy gels each hour, or combine with other Science in Sport Beta Fuel products Trusted SIS gels for consistent energy in any endurance sport, from running gels to long-distance cycling