Every set now comes in individual packaging with an on-course fuelling plan! Fast delivery guaranteed! The SiS Marathon Nutrition Set brings together fuel for before, during and after a 42 km race. Sports nutrition for a marathon SiS GO Energy Bar — eat after breakfast or approximately one hour before the start for extra carbohydrate. SiS GO Isotonic Energy Gels — use around km 7–8 and km 12–13. They can be consumed on the move without immediately drinking water — 2 gels. SiS GO Energy + Electrolyte Gels — use around km 17–18 and km 22–23 — 2 gels. SiS GO Energy + Caffeine Gels with 75 mg caffeine — use around km 27–28 and km 32–34 — 2 gels. Within 30 minutes after the finish, mix 30 g of SiS REGO Protein Powder with water and shake well. Free gift: a wristband showing the suggested timing for each gel — 1 wristband. How to fuel a 42 km race Your pre-race diet should include familiar sources of simple and complex carbohydrate. On race morning, the source suggests 1.5–3 g of carbohydrate per kilogram of body mass and avoiding unusually high-fibre foods. After finishing, include fruit, vegetables and protein-rich foods. Use aid stations for regular small drinks of water. Plan carbohydrate loading for one or two days before the event. Test every product and the complete timing plan in training. Sports nutrition does not replace a varied, balanced diet. You may also use SiS GO Electrolyte before the race. The source suggests 500 ml after breakfast, approximately 2.5–3 hours before the start, followed by 150–200 ml between 30 and 90 minutes before the race. Adjust fluid intake for your individual sweat rate and conditions. New to long-distance SiS fuelling? Read our running tips .

Previously called Nutrition X Xplode, this product was renamed Nutrition X Caffeine Shot in 2025. Each 60 ml shot provides 200 mg of caffeine in a convenient sugar-free and fat-free format for use before training or competition. The formula combines caffeine, taurine and acetyl L-tyrosine and is popular across a range of team and individual sports. Features Fast, convenient shot containing 200 mg of caffeine; Designed for use before demanding exercise; Free from sugar and fat. Directions for use Take one Caffeine Shot 30–45 minutes before training. Before a match, this may be timed shortly before the warm-up. High caffeine content: 200 mg per shot. Do not combine with other high-caffeine products. Not recommended for children, pregnant or breastfeeding women, or people sensitive to caffeine. Avoid taking close to bedtime. Ingredients Water, arginine alpha-ketoglutarate 2:1, taurine (anti-caking agent: 0.5% silicon dioxide), beta-alanine, acidity regulators (malic acid, citric acid), acetyl L-tyrosine, caffeine, preservatives (potassium sorbate, sodium benzoate), flavouring, sweeteners (acesulfame K, sucralose, steviol glycosides), colour. Tested under the Informed Sport programme for banned substances. Made in the United Kingdom.

SiS Rego Cherry Juice складається з концентрату соку вишні сорту Монморансі. Дослідження показали, що це ідеальне спортивне харчування для відновлення після тренування, що зменшує запалення та відчуття болю у м'язах після навантаження, а також покращує сон. Особливості Цей натуральний продукт містить корисні для спортсмена природні складові: флавоноїди – рослинні сполуки з антиоксидантними та протизапальними властивостями; антоціани – компоненти, що знижують стрес від окиснення м'язів; мелатонін – гормон, що регулює сон і бадьорість. Вишневий сік Rego Cherry Juice від Science in Sport підтримує оптимальну продуктивність, якщо вам потрібне швидке відновлення. Наприклад, якщо попереду багатоденні змагання чи важкі щоденні тренування. Як використовувати SiS Rego Cherry Juice? Продукт продається у зручній упаковці 30 мг, яку рекомендується розвести із 250-350 мл холодної води. Концентрат вишні також можна додати до відновлювального коктейлю, смузі чи натурального йогурту. Вишневий сік SiS Rego слід вживати двічі на добу впродовж 4-5 днів до заходу та 2-3 дні після нього, щоб допомогти відновленню. Можна використовувати відразу після тренування. Продукт підходить для веганів Аналогічний продукт SiS Cherry Tart- напій з концентратом вишні для відновлення

SiS GO Hydro is a convenient effervescent tablet that dissolves quickly in water. The low-calorie drink contains electrolytes including sodium, potassium and magnesium plus vitamins B1, B2 and B6. Why use an electrolyte drink? Fluid and electrolytes are lost through sweat during exercise. GO Hydro provides a convenient way to add electrolytes to water without a significant carbohydrate intake. What does it taste like? Despite its low sugar content and meaningful sodium level, the flavoured drink is designed to remain easy to drink during exercise. How to use SiS GO Hydro Dissolve one tablet in 500 ml of water. Consume the prepared drink within 24 hours. The source suggests 500 ml three to four hours before competition and a further 250–500 ml one hour before the start. Do not exceed four tablets per day. GO Hydro suits cycling, running and other activities where electrolyte intake is required without substantial carbohydrate. It is suitable for vegans. GO Hydro or GO Electrolyte? GO Hydro provides electrolytes with very little carbohydrate, making it useful when energy intake comes from other products. For longer sessions where carbohydrate is also required, consider SiS GO Electrolyte , which provides 36 g of carbohydrate per serving. Ingredients Citric acid, electrolytes 37% (sodium bicarbonate, sodium chloride, calcium carbonate, potassium chloride, tricalcium phosphate, magnesium carbonate), sorbitol, inulin, colour (beetroot red), natural flavouring, lemongrass powder (2.3%), starch, sweetener (sucralose), vitamins (pyridoxine hydrochloride, riboflavin, thiamine). Per serving Energy — 8.8 kcal; Carbohydrate — 0.8 g; Sugars — 0.1 g; Sodium — 0.3 g; Vitamin B1 — 0.2 mg; Vitamin B2 — 0.3 mg; Vitamin B6 — 0.4 mg; Calcium — 5.11 mmol/L; Magnesium — 0.66 mmol/L; Zinc — 0.04 mmol/L; Potassium — 3.32 mmol/L. Made in the United Kingdom.