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Wallis, G.A., Rowlands, D.S., Shaw, C., Jentjens, R.L., Jeukendrup, A.E. (2005). Oxidation of combined ingestion of maltodextrins and fructose during exercise. Medicine & Science in Sports & Exercise. Mar;37(3):426-32. Tsintzas, O. K., Williams, C., Wilson, W. & Burrin, J. (1996). Influence of carbohydrate supplementation early in exercise on endurance running capacity. Medicine and science in sports and exercise, 28(11), 1373-1379.
Though it is important to note, individuals may take time to adapt to consuming this amount of carbohydrate and the optimal amount per hour may also vary slightly depending on the individuals body weight, it is important to practice your nutrition during training to find the optimal amount that works for you. In the first study of its kind, we tested feeding athletes 120g of Science in Sport Beta Fuel per hour, singularly, and combined across our patented range of gels, chews and drinks. The previously recommended intake for endurance fuelling was 90g per hour. These results have never been seen before and change everything we thought we knew about endurance fuelling guidelines, and the performance potential in elite endurance racing:Although nutrition can be a challenge for a lot of runners, it’s key for performance. It is suggested that during endurance exercise (more than 2.5 hours) 80-120 grams of carbohydrate per hour should be consumed. Jeukendrup A.E. Carbohydrate feeding during exercise. Eur. J. Sport Sci. 2008; 8:77–86. doi: 10.1080/17461390801918971.
Dehydration during running can also result in stomach issues being reported, as such when comparing runners in a dehydrated or hydrated state, 37.5% of runners in the dehydrated state reported gastrointestinal complaints.Science in Sport Beta Fuel is leading a revolution in endurance fuelling by using both maltodextrin and fructose to optimise carbohydrate delivery and utilisation during exercise whilst minimising gastrointestinal issues. Generally, Wiener recommends consuming 1g of carbs per kilo of bodyweight every 60 minutes. So, if you weigh 80kg, aim for 80g of carbs per hour of exercise. Reduced Gastrointestinal Discomfort: Beta Fuel Energy Chews with a 1:0.8 ratio have been found to reduce symptoms of stomach fullness and nausea when compared to the traditional 2:1 ratio, ensuring a more comfortable and enjoyable endurance experience. Not only will you not be enjoying yourself, but you also won’t be performing your best. Gastrointestinal issues during running vary between individuals but most have experienced some form of stomach issue. BETA Fuel DrinkFirst launched in 2018, the original Science in Sport Beta Fuel drink was an isotonic product using both maltodextrin and fructose at a ratio of 2:1 to optimise carbohydrate delivery and utilisation during exercise, while minimising gastrointestinal issues.
O’Brien, W. J., & Rowlands, D. S. (2011). Fructose-maltodextrin ratio in a carbohydrate-electrolyte solution differentially affects exogenous carbohydrate oxidation rate, gut comfort, and performance. American Journal of Physiology-Gastrointestinal and Liver Physiology, 300(1), G181-G189. But we didn’t stop there. Since originally developing SiS Beta Fuel with maltodextrin and fructose at a ratio of 2:1, we have continued to evolve it and now we are introducing a new, enhanced version of SiS Beta Fuel, not only as a powder, but as a new range of products that provide a complete fuelling solution. Designed for endurance athletes who strive for peak performance, Beta Fuel Energy Chews are the ultimate fueling solution to help you achieve your goals. These chewable energy bars provide a world-leading and scientifically optimized source of fuel, ensuring you have the energy and stamina to go the distance. It is suggested that during endurance exercise 80-120 g of carbohydrate per hour should be consumed to maintain blood glucose levels and prevent fatigue. The SiS Beta Fuel gel contains 40g of carbohydrate also at the 1:0.8 ratio of maltodextrin to fructose. The SiS Beta Fuel gel with nootropics also contains 40g carbohydrate, but with cognitive enhancing nootropic compounds that give you that mental lift you might need, especially at the latter phases of exercise.Importantly, as mentioned above the 1:0.8 ratio has been shown to reduce symptoms of stomach fullness and nausea when compared to the 2:1 ratio which is great when considering the gastrointestinal issues often reported during running. Rowlands, D. S., Thorburn, M. S., Thorp, R. M., Broadbent, S., & Shi, X. (2008). Effect of graded fructose coingestion with maltodextrin on exogenous 14C-fructose and 13C-glucose oxidation efficiency and high-intensity cycling performance. Journal of Applied Physiology, 104(6), 1709-1719.
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