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 .

The 700 ml SiS Shaker Bottle uses the Easy Mix system to help powders dissolve quickly and evenly. A scale printed on the outside makes it easier to measure ingredients for the required volume of liquid. Benefits of the SiS Shaker Made from food-safe plastic, the shaker includes practical features for training and everyday use. Dishwasher safe. Durable measuring scale designed to withstand repeated washing. Includes a mixing ball to help break up lumps. Removable, leak-resistant lid. Flip-open drinking spout allows you to drink without removing the lid. Suitable drinks The Easy Mix system works with a range of powdered sports nutrition products, including: night-time protein drinks ; REGO Rapid Recovery ; other Science in Sport protein drinks. The SiS Shaker Bottle helps mix powdered supplements smoothly during training and racing preparation.

SiS GO Hydro + Caffeine Cola combines electrolytes with 75 mg of caffeine in an easy-dissolving effervescent tablet. The low-carbohydrate drink provides sodium, potassium, calcium and magnesium in a convenient format for training and competition. Benefits Dissolves in water in approximately one minute; Non-carbonated once fully dissolved; Provides electrolytes with minimal carbohydrate; 75 mg of caffeine per serving; Low-calorie drink format; Tested under the Informed Sport programme for banned substances. Nutritional information per serving Fat — less than 0.5 g; Carbohydrate — 0.6 g; Sugars — 0.5 g; Protein — less than 0.5 g; Salt — 0.87 g; Caffeine — 75 mg; Vitamin B1 — 0.2 mg; Vitamin B2 — 0.3 mg; Vitamin B6 — 0.4 mg; Electrolytes — 37%: potassium, calcium, sodium and magnesium. Each tube contains 20 tablets. Directions for use Dissolve one tablet in 500 ml of water. The source suggests 500 ml three to four hours before training and a further 250 ml 30 minutes beforehand. During demanding exercise, use up to 500 ml of prepared drink per hour according to your fluid and sodium needs. Do not exceed four servings per day. Allow the tablet to dissolve fully. Consume within 24 hours of preparation. Contains caffeine. Not recommended for children, pregnant or breastfeeding women, or people sensitive to caffeine. For a carbohydrate-containing option, explore SiS GO Electrolyte Powder 1.6 kg .

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.