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Science in Sport (SiS) is trusted by professional athletes around the world. With more than 25 years of experience, SiS has built a reputation as a brand that opposes the use of illegal substances in sport. The company states that it uses only safe and legal substances in its products. SiS develops sports nutrition products in collaboration with high-level athletes, and says its product improvements, innovation, testing and professional feedback are grounded in science.
Beta Fuel dual-source energy chews provide 46 g of carbohydrates. They are designed for use during exercise.
Endurance athletes training for more than two hours may need to consume 80–120 g of carbohydrates per hour. „Science in Sport Beta Fuel“ dual-source energy chews provide 46 g of fast-acting carbohydrates. According to the manufacturer, the carbohydrate ratio is optimised to help increase power and carbohydrate utilisation efficiency without gastrointestinal discomfort.
Compared with a 2:1 ratio, a glucose-to-fructose ratio of 1:0.8 increases the proportion of consumed carbohydrates that are oxidised from 62% to 74%. The manufacturer also states that a 1:0.8 ratio reduces symptoms of stomach fullness compared with a 2:1 ratio.
The Beta Fuel range was developed in collaboration with elite athletes. According to the manufacturer, a 1:0.8 ratio allows +17 % more carbohydrates to be consumed. Compared with a 2:1 ratio, it increases exogenous CHO oxidation by 17% and 10 % (the information is presented as stated in the manufacturer’s text), and increases average power across 10 maximal sprint efforts by 3%. A 1:0.8 ratio increases the proportion of consumed oxidised carbohydrates from 62% (2:1) to 74% (1:0.8) and reduces symptoms of stomach fullness and nausea compared with a 2:1 ratio. The information is based on scientific studies by O'Brien et al.
Each chewable bar contains 46 g of carbohydrates. Depending on your sport or event, consume 1–3 chewable bars per hour during exercise to reach 80–120 g of carbohydrates. In certain circumstances, such as cold weather, you may need to consume more. Tear open the pack and remove the chews. They can be eaten as a bar or broken into individual chews, each containing approximately 7 g of carbohydrates. Use on their own or with other energy supplements from the Beta Fuel range to consume 80–120 g of carbohydrates per hour.
| Nutritional value | 100 g | Per serving (60 g) |
|---|---|---|
| Energy | 1314 kj - 788 kcal | 310 kj - 186 kcal |
| Protein | 0 g | 0 g |
| Carbohydrates | 45 g | 75 g |
| of which sugars | 41 g | 67 g |
| Fat | 0 g | 0 g |
| of which saturates | 0 g | 0 g |
| Fibre | 3.7 g | 2.2 g |
| Salt | 0.18 g | 0.11 g |
Reference average energy intake for an adult: 8400 kj / 2000 kcal.
Sugar, water, glucose syrup, fructose syrup, gelling agent (pectin), flavouring, acidity regulator (citric acid), corn starch, glazing agents (coconut oil, carnauba wax), colour (turmeric extract).