SiS BETA Fuel 80 is a high-carbohydrate drink using two carbohydrate sources. Each 82 g sachet provides 80 g of carbohydrate from maltodextrin and fructose in a 1:0.8 ratio. Carbohydrate for prolonged endurance exercise The dual-source formula is designed for athletes following a high-carbohydrate fuelling strategy during long training sessions and competitions. 80 g of carbohydrate per serving; 1:0.8 maltodextrin-to-fructose ratio; Mixes into an isotonic drink when prepared as directed; Compact single-serving sachet; Suitable for vegans; Tested under the Informed Sport programme for banned substances. Combine with other BETA Fuel products such as BETA Fuel + Nootropics Gel , standard BETA Fuel gels or energy chews, while accounting for your total carbohydrate and caffeine intake. Nutritional information per 82 g serving Carbohydrate — 80 g; Sugars — 45 g; Sodium — 0.01 g; Maize maltodextrin — 57%; Fructose — 42%; Natural flavourings. How to use BETA Fuel Add one sachet to 600 ml of water. Shake or stir until fully dissolved. During prolonged endurance exercise, drink small amounts regularly. The source suggests up to one serving per hour; adjust this within your complete carbohydrate and fluid plan and practise it in training.

SiS BETA Fuel Energy Chew provides 45 g of carbohydrate from glucose and fructose in a 1:0.8 ratio. Its soft, chewable texture offers an alternative to gels and traditional bars during prolonged endurance exercise. How and when to use it Carry it for longer training sessions and competitions lasting more than two hours. Combine it with other BETA Fuel products as part of your total carbohydrate strategy. Use one or more packs per hour according to your planned carbohydrate intake and tolerance. Eat the chew at once or split it into individual pieces, each providing approximately 7 g of carbohydrate. Tested under the Informed Sport programme for banned substances. The compact pack fits easily into a cycling-jersey pocket, running belt or vest. Nutritional information and ingredients Each pack uses a 1:0.8 glucose-to-fructose ratio and provides: 168 kcal; 45 g of carbohydrate, including 41 g of sugars; 2.2 g of fibre; 0.11 g of salt; Water, glucose syrup, fructose syrup, gelling agent (pectin), flavouring, acidity regulator (citric acid), maize starch, glazing agent (coconut oil, carnauba wax) and colour (turmeric extract). Free from declared allergens, artificial colours and preservatives. Suitable for vegans and vegetarians. Combine with BETA Fuel gels and BETA Fuel drink powder . Flavours Available in orange and lemon options, subject to stock.

A trial set containing two SiS energy gels. Ideal for anyone trying Science in Sport gels for the first time and looking to find out how well the products suit their individual fuelling needs. What's included? SiS GO Isotonic Energy Gel — 1 gel; SiS GO Energy + Caffeine Gel with 75 mg of caffeine — 1 gel. The isotonic gel does not need to be taken with water. The caffeine gel provides 75 mg of caffeine to help support concentration and alertness towards the end of a race or training session. IMPORTANT We do not recommend trying sports nutrition from any brand for the first time on race day. Test every new product during training, ideally during a long session. This will help you understand how your body responds and reduce the risk of unexpected problems during your event.

Every set now comes in individual packaging with an on-course fuelling plan! Fast delivery guaranteed! The SiS Half Marathon Nutrition Set is designed for runners aiming to achieve their best over 21 km. It includes products covering three essential needs for the distance: hydration, energy and recovery. What's in the set? Energy Bar : a convenient carbohydrate snack to eat around 30 minutes before the start. SiS GO Isotonic Energy Gel — 1 gel; SiS GO Energy + Electrolyte Gel — 1 gel; SiS GO Energy + Caffeine Gel with 75 mg of caffeine — 1 gel for an energy boost over the final kilometres. Within 30 minutes of finishing, we recommend taking 30 g of SiS REGO Protein Powder to support recovery. Add the powder to a bottle of water and shake well. Free gift: every set includes a wristband showing when to take each gel during the race — 1 wristband. How to fuel for a half marathon On race morning, after breakfast, eat a carbohydrate bar for energy and drink 150–200 ml of SiS GO Electrolyte isotonic drink to top up your electrolytes. Take the first isotonic gel at around kilometre 5–6 and the second at around kilometre 12–13. You do not need to take them with water, but remember to drink at aid stations. Take the caffeine gel at around kilometre 16–17 to help you stay focused and increase your pace towards the finish. After finishing, take SiS Cherry Juice to support recovery. To restore fluid balance, use a Science in Sport electrolyte drink for 3–5 hours after the half marathon. Additional advice Remember that SiS sports nutrition is not a substitute for a balanced, healthy diet. Plan your meals several days before the half marathon and include carbohydrate loading, fruit and vegetables. After finishing, eat foods rich in protein, fibre and vitamins. The plan below shows the recommended sports nutrition before, during and after the race. You can also buy 42 km marathon sets and half-Ironman nutrition packs on our website. 21 km fuelling plan Read more about half marathon nutrition in our blog .