Lemon: Sugar, Water, Glucose Syrup, Fructose Syrup, Gelling Agent (Pectin), Flavouring, Acidity Regulator (Citric Acid), Corn Starch, Glazing Agent (Coconut Oil, Carnauba Wax), Colour (Turmeric Extract). Something to also consider is the amount of caffeine you want in your energy source. Caffeine has been proven to boost mental and physical performance when undertaking Isotonic exercise, making it a great ingredient option. However, it is not necessary for everyone. So take your own health and needs into consideration. Haskell, C. F., Kennedy, D. O., Milne, A. L., Wesnes, K. A., & Scholey, A. B. (2008). The effects of L-theanine, caffeine and their combination on cognition and mood. Biological psychology, 77(2), 113-122. Some products also contain caffeine, which can help to give a mental and physical boost during the last hours of a race, while others contain electrolytes which help the body to stay hydrated. Runner's World Lab Approved

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. By using a precise balance of maltodextrin and fructose (1:0.8), rather than a single form of carbohydrate, performance improved with Science in Sport Beta Fuel, whilst avoiding any digestion issues. We have shown that athletes are able to tolerate 120 grams of SiS Beta Fuel per hour, significantly higher than the current recommended intake of 90gms per hour, with no stomach upset.Because there’s such a plethora of energy products available, try a few and see how they sit with you. “Once you find something you like, I’d suggest training with it consistently. This will help your body adapt to its usage and lessen the risk of digestive issues at critical moments.” How We Test Let’s start the night before and ensure your glycogen stores are topped up. After dinner, I drink one serving of Maurten 320 Mix or two servings of Enervit IsoCarb. 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.

While burning fat might sound like a good thing, fat stores don’t release as much energy at the same rate, says Wiener. When you’re outta carbs, you’re likely to hit the proverbial wall, and your performance will suffer. 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. First launched in 2018, the original Science in Sport Beta Fuel is an isotonic product using both maltodextrin and fructose at a ratio of 2:1 to optimise carbohydrate delivery and utilisation during exercise whilst minimising gastrointestinal issues.As part of our 2022 Men's Health Sports Nutrition Awards, the MH Lab enlisted a panel – made up of over 200 fitness enthusiasts – to test a range of popular energy drinks, gels and chews for a month. The longer we run for, the more we need to focus on fuelling strategies. Under fuelling and dehydration will ultimately lead to ‘hitting a wall’, where putting one foot in front of the other suddenly becomes a tremendous task. The combination of maltodextrin and fructose used in SiS Beta Fuel at a ratio of 1:0.8 provides a formula to enhance carbohydrate delivery and utilisation during exercise, whilst minimising gastrointestinal issues. 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. 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.