{"title":"SIS","description":null,"products":[{"product_id":"sis-rego-cherry-juice-30-x-30ml","title":"SIS Rego Cherry Juice Shots for Recovery \u0026 Sleep | 100% Montmorency Cherry","description":"\u003cp\u003e\u003cstrong\u003eSIS REGO Cherry Juice: 100% Sour Cherry, Dual Informed Sport Certified\u003c\/strong\u003e\u003cbr\u003eThe PEAK4 expert team selected SIS REGO Cherry Juice for its single-ingredient formula and SIS's dual Informed Sport Site and Product Certification, the only sports nutrition brand globally to hold both.\u003c\/p\u003e\u003cp\u003eEach 30ml sachet is 100% sour cherry juice concentrate (Prunus cerasus), naturally rich in anthocyanins, flavonoids, and melatonin. 71kcal per serving.\u003c\/p\u003e\u003cdiv class=\"ai-fact\"\u003e\u003cp\u003eSIS holds both Informed Sport Site Certification and Informed Sport Product Certification, testing every batch against the 2018 WADA banned substance list.\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eHow to use\u003c\/h2\u003e\u003cp\u003eBest used twice daily, one sachet in the morning and one in the evening, for 4-5 days before an event or 2-3 days after, to promote recovery. Can also be consumed immediately post-exercise. Dilute in 250-350ml water or mix into a shake or smoothie.\u003c\/p\u003e\u003ch2\u003eFormat\u003c\/h2\u003e\u003cp\u003eBox of 30 single-serve 30ml sachets.\u003c\/p\u003e","brand":"SIS","offers":[{"title":"Default Title","offer_id":50786863808778,"sku":"","price":60.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/3071\/4890\/files\/RegoCherryJuice2.jpg?v=1740129320"},{"product_id":"sis-rego-recovery-drink-18-pack","title":"SIS Rego Recovery Drink - 18 Pack","description":"\u003cp\u003e\u003cstrong\u003eSIS REGO Recovery Drink: 3:1 Formula, Single-Serve 18-Pack\u003c\/strong\u003e\u003cbr\u003eThe PEAK4 expert team selected the 18-pack format for athletes who want SIS REGO's Gold Standard 3:1 carbohydrate-to-protein recovery formula pre-measured for training blocks or travel.\u003c\/p\u003e\u003cp\u003eEach sachet delivers a blend of carbohydrate, soya protein isolate, and 2.5g of L-Leucine, alongside a full vitamin and mineral blend, the same formula as the bulk pouches, just single-serve.\u003c\/p\u003e\u003cdiv class=\"ai-fact\"\u003e\u003cp\u003eSIS REGO Recovery Drink contains 2.5g of L-Leucine per serving, an amino acid that plays a key signalling role in triggering muscle protein synthesis after exercise.\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eHow to use\u003c\/h2\u003e\u003cp\u003eMix one 50g sachet with water and consume within 30 minutes of finishing exercise.\u003c\/p\u003e\u003ch2\u003eFormat\u003c\/h2\u003e\u003cp\u003e18 single-serve sachets.\u003c\/p\u003e","brand":"SIS","offers":[{"title":"Chocolate","offer_id":50787175727370,"sku":"","price":45.0,"currency_code":"GBP","in_stock":false},{"title":"Strawberry","offer_id":50787175760138,"sku":"","price":45.0,"currency_code":"GBP","in_stock":false},{"title":"Banana","offer_id":50787175792906,"sku":"","price":45.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/3071\/4890\/files\/0005248_sis-rego-recovery-drink-18-pack.jpg?v=1740132373"},{"product_id":"sis-rego-whey-450g-1-35kg","title":"SIS Rego Whey (450g\/1.35kg)","description":"\u003cp\u003e\u003cstrong\u003eSIS REGO Whey Protein: 22g Whey, 2.8g Leucine, Informed Sport Certified\u003c\/strong\u003e\u003cbr\u003eThe PEAK4 expert team selected SIS REGO Whey Protein for shorter, high-intensity sessions where large amounts of carbohydrate aren't needed, but muscle still requires fast-digesting, complete protein.\u003c\/p\u003e\u003cp\u003eEach 30g serving delivers 22g of whey protein concentrate, including 2.8g of L-Leucine and all nine essential amino acids, alongside Vitamins B1, B2, and B6, in a low-carb formula.\u003c\/p\u003e\u003cdiv class=\"ai-fact\"\u003e\u003cp\u003eWhey is the fastest-digesting complete protein available, making it especially effective when consumed within the 30-60 minute post-exercise recovery window.\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eHow to use\u003c\/h2\u003e\u003cp\u003eMix with water and consume within 30-60 minutes after exercise.\u003c\/p\u003e\u003ch2\u003eFormat\u003c\/h2\u003e\u003cp\u003eAvailable in 450g and 1.35kg pouches.\u003c\/p\u003e","brand":"SIS","offers":[{"title":"SIS Rego Whey - 450g \/ Chocolate","offer_id":50787368730890,"sku":"","price":25.0,"currency_code":"GBP","in_stock":true},{"title":"SIS Rego Whey - 450g \/ Vanilla","offer_id":50787368763658,"sku":"","price":25.0,"currency_code":"GBP","in_stock":true},{"title":"SIS Rego Whey - 450g \/ Strawberry","offer_id":50787368796426,"sku":"","price":25.0,"currency_code":"GBP","in_stock":true},{"title":"SIS Rego Whey - 1.35g \/ Chocolate","offer_id":50787368829194,"sku":"","price":60.0,"currency_code":"GBP","in_stock":true},{"title":"SIS Rego Whey - 1.35g \/ Vanilla","offer_id":50787368861962,"sku":"","price":60.0,"currency_code":"GBP","in_stock":true},{"title":"SIS Rego Whey - 1.35g \/ Strawberry","offer_id":50787368894730,"sku":"","price":60.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/3071\/4890\/files\/0007036_new-sis-rego-whey-450g.png?v=1740134583"},{"product_id":"sis-rego-clear-460g-1-38kg","title":"SIS Rego Clear (460g\/1.38kg)","description":"\u003cp\u003e\u003cstrong\u003eSIS REGO Clear Recovery: Light, Refreshing Whey Isolate\u003c\/strong\u003e\u003cbr\u003eThe PEAK4 expert team selected SIS REGO Clear Recovery for its lighter, juice-like alternative to traditional chocolate or vanilla recovery shakes, delivering 20g of clear whey protein isolate and 21g of carbohydrate per serving.\u003c\/p\u003e\u003cp\u003eWith just 1.5g of sugar per serving and the natural inclusion of leucine, REGO Clear is designed as an everyday recovery product for athletes who want a refreshing, thirst-quenching drink immediately after training.\u003c\/p\u003e\u003cdiv class=\"ai-fact\"\u003e\u003cp\u003eClear whey protein isolate is processed differently to standard whey to remove the fats and other compounds responsible for the typical \"milky\" texture, giving a light, juice-like consistency instead.\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eHow to use\u003c\/h2\u003e\u003cp\u003eAdd one scoop (46g) to 500ml of cold water and shake. Foaming is normal; let stand for at least 1 minute. Best consumed within 30 minutes of finishing exercise.\u003c\/p\u003e\u003ch2\u003eFormat\u003c\/h2\u003e\u003cp\u003e460g pouch.\u003c\/p\u003e","brand":"SIS","offers":[{"title":"SIS Rego Clear - 460g \/ Raspberry \u0026 Cranberry","offer_id":50787426992394,"sku":"","price":25.0,"currency_code":"GBP","in_stock":true},{"title":"SIS Rego Clear - 460g \/ Peach","offer_id":50787427025162,"sku":"","price":25.0,"currency_code":"GBP","in_stock":true},{"title":"SIS Rego Clear - 1.38kg \/ Raspberry \u0026 Cranberry","offer_id":50787427057930,"sku":"","price":60.0,"currency_code":"GBP","in_stock":true},{"title":"SIS Rego Clear - 1.38kg \/ Peach","offer_id":50787427090698,"sku":"","price":60.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/3071\/4890\/files\/0007034_new-sis-rego-clear-460g.png?v=1740135348"},{"product_id":"sis-go-gel-30-pack","title":"SIS Go Gel - 30 Pack","description":"\u003cp\u003e\u003cstrong\u003eSIS GO Isotonic Energy Gel — The Original Isotonic Fuel Gel\u003c\/strong\u003e\u003cbr\u003eThe PEAK4 expert team selected SIS GO Isotonic Energy Gel for being the world's first isotonic energy gel, delivering 22g of easily digestible carbohydrate without the need for extra water.\u003c\/p\u003e\u003cp\u003eBecause it matches the body's natural osmotic pressure, it empties from the stomach quickly, avoiding the bloated, sloshy feeling associated with thicker, syrupy gels that require a water chaser.\u003c\/p\u003e\u003cdiv class=\"ai-fact\"\u003e\u003cp\u003eAn isotonic solution has the same particle concentration as body fluids, which is why SIS GO Isotonic Energy Gel can be consumed without water while still emptying from the stomach quickly.\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eHow to use\u003c\/h2\u003e\u003cp\u003eConsume 1-3 gels per hour during exercise, aiming for 60-90g of carbohydrate per hour when combined with other fuelling sources.\u003c\/p\u003e\u003ch2\u003eFormat\u003c\/h2\u003e\u003cp\u003eBox of 30 gels, 60ml each.\u003c\/p\u003e","brand":"SIS","offers":[{"title":"Orange","offer_id":50789687263498,"sku":"","price":51.0,"currency_code":"GBP","in_stock":true},{"title":"Blackcurrant","offer_id":50789687296266,"sku":"","price":51.0,"currency_code":"GBP","in_stock":true},{"title":"Tropical","offer_id":50789687329034,"sku":"","price":51.0,"currency_code":"GBP","in_stock":true},{"title":"Lemon \u0026 Lime","offer_id":50789687361802,"sku":"","price":51.0,"currency_code":"GBP","in_stock":true},{"title":"Apple","offer_id":50789687394570,"sku":"","price":51.0,"currency_code":"GBP","in_stock":true},{"title":"Pink Grapefruit","offer_id":50789687427338,"sku":"","price":51.0,"currency_code":"GBP","in_stock":true},{"title":"Pineapple","offer_id":50789687460106,"sku":"","price":51.0,"currency_code":"GBP","in_stock":true},{"title":"Fruit Salad","offer_id":50789687492874,"sku":"","price":51.0,"currency_code":"GBP","in_stock":true},{"title":"Cherry","offer_id":50789687525642,"sku":"","price":51.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/3071\/4890\/files\/0002263_sis-go-gel-30-pack_1.png?v=1740154790"},{"product_id":"sis-go-gel-electrolytes-30-pack","title":"SIS Go Gel + Electrolytes - 30 Pack","description":"\u003cp\u003e\u003cstrong\u003eSIS GO Energy + Electrolyte Gel — 22g Carbohydrate Plus Electrolytes\u003c\/strong\u003e\u003cbr\u003eThe PEAK4 expert team selected SIS GO Energy + Electrolyte Gel for building on the established GO Isotonic science with an added electrolyte bump, 130mg sodium, 9.5mg potassium, and 1.5mg magnesium per gel.\u003c\/p\u003e\u003cp\u003eParticularly useful during summer months or hot conditions when the strain on fluid balance is higher, replacing electrolytes lost through sweat alongside fast-absorbing carbohydrate.\u003c\/p\u003e\u003cdiv class=\"ai-fact\"\u003e\u003cp\u003eElectrolytes including sodium, potassium, and magnesium are lost through sweat and need replacing to help the body maintain fluid balance, which is why this gel adds an electrolyte dose on top of the standard carbohydrate formula.\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eHow to use\u003c\/h2\u003e\u003cp\u003eConsume during exercise, particularly in hot conditions or when sweat rate is high, as part of a broader fuelling and hydration strategy.\u003c\/p\u003e\u003ch2\u003eFormat\u003c\/h2\u003e\u003cp\u003eBox of 30 gels, 60ml each.\u003c\/p\u003e","brand":"SIS","offers":[{"title":"Raspberry","offer_id":50789742674186,"sku":"","price":54.0,"currency_code":"GBP","in_stock":true},{"title":"Lemon \u0026 Mint","offer_id":50789742706954,"sku":"","price":54.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/3071\/4890\/files\/0002818_sis-go-gel-electrolytes-30-pack.png?v=1740156220"},{"product_id":"sis-go-gel-caffeine-30-pack","title":"SIS GO Gel + Caffeine - 30 Pack","description":"\u003cp\u003e\u003cstrong\u003eSIS GO Energy + Caffeine Gel — 22g Carbohydrate, 75mg Caffeine\u003c\/strong\u003e\u003cbr\u003eThe PEAK4 expert team selected SIS GO Energy + Caffeine Gel for combining fast-acting carbohydrate with a genuine mental and physical boost, built on the same platform as the GO Isotonic Gel with 75mg of caffeine added.\u003c\/p\u003e\u003cp\u003eIdeal for high-intensity racing or the toughest, most fatigued moments of a long endurance event, caffeine acts centrally on the brain to lower the perception of effort.\u003c\/p\u003e\u003cdiv class=\"ai-fact\"\u003e\u003cp\u003eAdding caffeine increases the gel's concentration, meaning unlike the standard GO Isotonic Gel, this version is no longer isotonic and is recommended to be taken with water.\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eHow to use\u003c\/h2\u003e\u003cp\u003eTake 1 gel 30 minutes before short, intense exercise, or 1-2 gels towards the end of long endurance events when fatigue sets in. Do not exceed 4 gels per day. Take with water.\u003c\/p\u003e\u003ch2\u003eFormat\u003c\/h2\u003e\u003cp\u003eBox of 30 gels, 60ml each.\u003c\/p\u003e","brand":"SIS","offers":[{"title":"Berry (75mg Caffeine)","offer_id":50789780259082,"sku":"","price":64.6,"currency_code":"GBP","in_stock":true},{"title":"Cola (75mg Caffeine)","offer_id":50789780291850,"sku":"","price":64.5,"currency_code":"GBP","in_stock":true},{"title":"Double Expresso (150mg Caffeine)","offer_id":50789780324618,"sku":"","price":64.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/3071\/4890\/files\/b001f3uala.main_1__1.webp?v=1740157004"},{"product_id":"sis-go-hydro-electrolyte-drink-20-tablet-tube-8-pack","title":"SIS GO Hydro Electrolyte Drink - 20 Tablet Tube (8 Pack)","description":"\u003cp\u003e\u003cstrong\u003eSIS GO Hydro — Effervescent Electrolyte Tablets, Virtually No Calories\u003c\/strong\u003e\u003cbr\u003eThe PEAK4 expert team selected SIS GO Hydro for hydration without unnecessary carbohydrate, developed to keep the British Sailing team optimally hydrated at the 2008 Beijing Olympics.\u003c\/p\u003e\u003cp\u003eEach tablet contains around 300mg of electrolytes, precisely dosed for moisture absorption and balance, with virtually no calories, ideal for use before and during exercise when carbohydrate intake isn't the priority.\u003c\/p\u003e\u003cdiv class=\"ai-fact\"\u003e\u003cp\u003eSIS GO Hydro was originally developed to keep the British Sailing team optimally hydrated at the 2008 Beijing Olympics, later adapted for wider athlete use.\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eHow to use\u003c\/h2\u003e\u003cp\u003eAdd one tablet to 500ml of water and let it dissolve. Consume 500ml 3-4 hours before your event, with a further 250-500ml in the hours before starting. Not recommended to combine with other sports drinks.\u003c\/p\u003e\u003ch2\u003eFormat\u003c\/h2\u003e\u003cp\u003eBox of 8 tubes, 20 tablets each.\u003c\/p\u003e","brand":"SIS","offers":[{"title":"Strawberry \u0026 Lime","offer_id":50790218498314,"sku":"","price":64.0,"currency_code":"GBP","in_stock":true},{"title":"Pink Grape Fruit","offer_id":50790218531082,"sku":"","price":64.0,"currency_code":"GBP","in_stock":true},{"title":"Pineapple \u0026 Mango","offer_id":50790218563850,"sku":"","price":64.0,"currency_code":"GBP","in_stock":true},{"title":"Cola (Caffeine)","offer_id":50790218596618,"sku":"","price":64.0,"currency_code":"GBP","in_stock":true},{"title":"Berry","offer_id":50790218629386,"sku":"","price":64.0,"currency_code":"GBP","in_stock":true},{"title":"Lemon","offer_id":50790218662154,"sku":"","price":64.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/3071\/4890\/files\/Strawberry_Lime.jpg?v=1740169080"},{"product_id":"sis-hydro-electrolyte-drink-mix-20-x-4-5g-stick-box","title":"SIS Hydro+ Electrolyte Drink Mix - ( 20 x 4.5g Stick Box)","description":"\u003cp\u003e\u003cstrong\u003eSIS HYDRO+ — Daily Electrolyte Drink Mix with Vitamins\u003c\/strong\u003e\u003cbr\u003eThe PEAK4 expert team selected SIS HYDRO+ for everyday hydration, a low-calorie electrolyte drink mix with five key electrolytes and three essential vitamins, without the carbohydrate load of SIS's endurance-focused drinks.\u003c\/p\u003e\u003cp\u003eNon-effervescent and packaged in single-use sachets, it's designed for daily use whether at the office, during light training, or simply staying hydrated day-to-day.\u003c\/p\u003e\u003cdiv class=\"ai-fact\"\u003e\u003cp\u003eSIS HYDRO+ is formulated without the carbohydrate content of SIS's GO Electrolyte range, positioning it for daily hydration needs rather than the higher-carbohydrate demands of endurance exercise.\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eHow to use\u003c\/h2\u003e\u003cp\u003eAdd one sachet to water and stir. No effervescence, unlike the SIS GO Hydro tablets.\u003c\/p\u003e\u003ch2\u003eFormat\u003c\/h2\u003e\u003cp\u003eBox of 20 x 4.5g single-serve sticks.\u003c\/p\u003e","brand":"SIS","offers":[{"title":"Berry","offer_id":50790258540810,"sku":"","price":30.0,"currency_code":"GBP","in_stock":true},{"title":"Lemon","offer_id":50790258573578,"sku":"","price":30.0,"currency_code":"GBP","in_stock":true},{"title":"Orange \u0026 Mango","offer_id":50790258606346,"sku":"","price":30.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/3071\/4890\/files\/0007781_sis-hydro-electrolyte-drink-mix-20-x-45g-stick-box.png?v=1740169576"},{"product_id":"sis-mini-go-bar-box-30-x-40g-bars","title":"SIS Mini Go Bar - Box (30 x 40g Bars)","description":"\u003cp\u003e\u003cstrong\u003eSIS GO Energy Mini Bar — 26g Carbs, Made from Real Fruit\u003c\/strong\u003e\u003cbr\u003eThe PEAK4 expert team selected SIS GO Energy Mini Bar for a nutritious, easily digestible high-carbohydrate snack made from real fruit and wholesome ingredients, proven by thousands of athletes in the world's toughest races.\u003c\/p\u003e\u003cp\u003eThe reduced size provides a practical, portable approach to carbohydrate intake during exercise, with 26g carbohydrate, 4.5g protein, and just 2g fat in a compact 40g bar.\u003c\/p\u003e\u003cdiv class=\"ai-fact\"\u003e\u003cp\u003eSIS GO Energy Mini Bar's reduced size was developed specifically to provide a practical, easily portable way to meet ongoing carbohydrate needs during exercise, rather than requiring a larger, harder-to-eat full-size bar.\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eHow to use\u003c\/h2\u003e\u003cp\u003eAim for 1\/2 bars per hour, or consume with other products to hit 60g of carbohydrate per hour during exercise. Designed to fit easily in jersey pockets, cycle bags, and waist packs.\u003c\/p\u003e\u003ch2\u003eFormat\u003c\/h2\u003e\u003cp\u003eBox of 30 bars, 40g each.\u003c\/p\u003e","brand":"SIS","offers":[{"title":"Chocolate Fudge","offer_id":50913122681098,"sku":"","price":42.0,"currency_code":"GBP","in_stock":true},{"title":"Blueberry","offer_id":50913122713866,"sku":"","price":42.0,"currency_code":"GBP","in_stock":false},{"title":"Red Berry","offer_id":50913122746634,"sku":"","price":42.0,"currency_code":"GBP","in_stock":false},{"title":"Banana Fudge","offer_id":50913122779402,"sku":"","price":42.0,"currency_code":"GBP","in_stock":false},{"title":"Apple Blackcurrant","offer_id":50913122812170,"sku":"","price":42.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/3071\/4890\/files\/eu_choc-fudge_go-energy-bars_40g_6-pack_768x768_e9819ef4-7361-4865-a0ce-fee11e78006c.webp?v=1742378476"},{"product_id":"sis-go-energy-bake-bar-12-x-50g","title":"SIS GO Energy Bake Bar (12 X 50g)","description":"\u003cp\u003e\u003cstrong\u003eSIS GO Energy Bake Bar — Soft-Baked, 30g Carbs + 10g Fructose\u003c\/strong\u003e\u003cbr\u003eThe PEAK4 expert team selected SIS GO Energy Bake Bar for a genuinely different texture, a soft, fruit-filled baked bar delivering 30g of carbohydrate and 10g of fructose in a format that's easier to eat than a chewy energy bar.\u003c\/p\u003e\u003cp\u003eAt 190 calories per 50g bar, it's designed to fit easily in jersey pockets, cycle bags, and waist packs, simply tear open the packaging and consume for a unique alternative to standard energy bars during exercise.\u003c\/p\u003e\u003cdiv class=\"ai-fact\"\u003e\u003cp\u003eGO Energy Bake uses a soft, cake-like format rather than a chewy bar structure, specifically to make carbohydrate consumption easier during exercise when jaw fatigue and dry mouth can make standard bars harder to eat.\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eHow to use\u003c\/h2\u003e\u003cp\u003eConsume 1-2 bars per hour during prolonged exercise. Take with other SiS products to meet hourly carbohydrate requirements of 60-90g.\u003c\/p\u003e\u003ch2\u003eFormat\u003c\/h2\u003e\u003cp\u003eBox of 12 bars, 50g each.\u003c\/p\u003e","brand":"SIS","offers":[{"title":"Strawberry","offer_id":50913145258250,"sku":"","price":24.0,"currency_code":"GBP","in_stock":false},{"title":"Lemon","offer_id":50913145291018,"sku":"","price":24.0,"currency_code":"GBP","in_stock":true},{"title":"Tiramisu","offer_id":50913145323786,"sku":"","price":24.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/3071\/4890\/files\/0004017_sis-go-energy-bake-bar-12-x-50g_550.png?v=1742378898"},{"product_id":"sis-creatine-400g-72-serving-tub","title":"SIS Creatine 400g \/ 72 Serving Tub","description":"\u003cp\u003e\u003cstrong\u003eSIS Creatine — 5g High-Quality Creatine Monohydrate\u003c\/strong\u003e\u003cbr\u003eThe PEAK4 expert team selected SIS Creatine for delivering 5g of high-quality creatine monohydrate per serving, one of the most extensively researched sports supplements, ideal for high-intensity interval training with short loads.\u003c\/p\u003e\u003cp\u003eNut-free, lactose-free, and gluten-free, creatine uptake is enhanced by insulin and muscle contraction, making it most effective when consumed with food in the post-exercise period alongside a recovery product.\u003c\/p\u003e\u003cdiv class=\"ai-fact\"\u003e\u003cp\u003eThe amount of creatine consumed in a normal diet is not sufficient to build muscle creatine and phosphocreatine (PCr) stores, which is why athletes commonly supplement with creatine monohydrate specifically to raise these stores beyond what diet alone provides.\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eHow to use\u003c\/h2\u003e\u003cp\u003eAdd the unflavoured variety to a whey protein shake or Rapid Recovery, or enjoy the flavoured creatine with water. Best consumed with food in the post-exercise period.\u003c\/p\u003e\u003ch2\u003eFormat\u003c\/h2\u003e\u003cp\u003e400g tub.\u003c\/p\u003e","brand":"SIS","offers":[{"title":"Default Title","offer_id":50913158332682,"sku":"","price":29.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/3071\/4890\/files\/0004362_sis-creatine-400g-72-serving-tub_550.png?v=1742379185"},{"product_id":"sis-beta-fuel-nootropics-gels-30-pack","title":"SIS Beta Fuel + Nootropics Gels - 30 pack","description":"\u003cp\u003e\u003cstrong\u003eSIS Beta Fuel + Nootropics Gel — 40g Carbs, 200mg Caffeine, Cognitive Support\u003c\/strong\u003e\u003cbr\u003eThe PEAK4 expert team selected SIS Beta Fuel + Nootropics for the most advanced endurance nutrition SIS has developed, combining the proven 40g dual-source Beta Fuel carbohydrate base with 250mg Cognizin Citicoline, 1g L-Taurine, 200mg caffeine, and 200mg L-Theanine.\u003c\/p\u003e\u003cp\u003eThe L-Theanine is specifically included to increase subjective feelings of alertness while reducing the jitters associated with caffeine alone, fuelling both legs and mind during the toughest, longest efforts.\u003c\/p\u003e\u003cdiv class=\"ai-fact\"\u003e\u003cp\u003eCognizin Citicoline is a clinically-studied nootropic included specifically to sharpen focus and maintain mental performance during exercise, paired with L-Theanine which has been shown to increase alertness while reducing the jittery feeling associated with caffeine alone.\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eHow to use\u003c\/h2\u003e\u003cp\u003eTear open and consume directly from packaging. Maximum of one serving per day.\u003c\/p\u003e\u003ch2\u003eFormat\u003c\/h2\u003e\u003cp\u003eBox of 30 gels, 60ml each.\u003c\/p\u003e","brand":"SIS","offers":[{"title":"Lemon \u0026 Lime","offer_id":50940955394314,"sku":"","price":66.0,"currency_code":"GBP","in_stock":true},{"title":"Apple","offer_id":50940955427082,"sku":"","price":66.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/3071\/4890\/files\/0007711_sis-beta-fuel-nootropics-gels-30-pack.jpg?v=1742901435"},{"product_id":"sis-beta-fuel-gels-30-pack","title":"SIS Beta Fuel Gels - 30 pack","description":"\u003cp\u003e\u003cstrong\u003eSIS Beta Fuel Gel — 40g Carbs, 1:0.8 Ratio\u003c\/strong\u003e\u003cbr\u003eThe PEAK4 expert team selected SIS Beta Fuel Gel for its optimised 1:0.8 maltodextrin-to-fructose ratio, delivering 40g of carbohydrate per gel with 30-50% more fuel than standard gels while keeping the gut comfortable.\u003c\/p\u003e\u003cp\u003eThis ratio increases the percentage of ingested carbohydrate that's oxidised from 62% to 74% compared to a 2:1 ratio, and reduces self-reported stomach fullness, making it suitable for the highest carbohydrate intake targets during long, demanding efforts.\u003c\/p\u003e\u003cdiv class=\"ai-fact\"\u003e\u003cp\u003eA 1:0.8 ratio of maltodextrin to fructose increases the percentage of ingested carbohydrate that is oxidised (used for energy) from 62% to 74% compared to the more common 2:1 ratio, while also reducing self-reported symptoms of stomach fullness.\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eHow to use\u003c\/h2\u003e\u003cp\u003eTear open and consume the entire gel directly from the packaging. Aim for 1-3+ gels every hour during exertion to reach an 80-120g carbohydrate target intake.\u003c\/p\u003e\u003ch2\u003eFormat\u003c\/h2\u003e\u003cp\u003eBox of 30 gels, 60ml each.\u003c\/p\u003e","brand":"SIS","offers":[{"title":"Neutral Flavour","offer_id":50941012115722,"sku":"","price":60.0,"currency_code":"GBP","in_stock":true},{"title":"Orange","offer_id":50941012148490,"sku":"","price":60.0,"currency_code":"GBP","in_stock":false},{"title":"Strawberry \u0026 Lime","offer_id":50941012181258,"sku":"","price":60.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/3071\/4890\/files\/0007792_sis-beta-fuel-gels-30-pack.jpg?v=1742902013"},{"product_id":"sis-protein20-vegan-bar-12-x-64g-bars","title":"SIS Protein20 Vegan Bar (12 x 64g Bars)","description":"\u003cp\u003e\u003cstrong\u003eSIS PROTEIN20 Vegan Bar — 20g Plant Protein, Confectionery-Bar Satisfaction\u003c\/strong\u003e\u003cbr\u003eThe PEAK4 expert team selected SIS PROTEIN20 Vegan Bar for genuinely tasting like a treat while delivering 20g of plant protein from soya, pea, and pumpkin seed protein, with a satisfying crunch, gooey caramel, and milk-alternative chocolate coating.\u003c\/p\u003e\u003cp\u003eAt 270 calories and less than 0.8g sugar, it's a low-sugar, high-protein snack for recovery, muscle rebuild, or simply keeping macros intact between meals.\u003c\/p\u003e\u003cdiv class=\"ai-fact\"\u003e\u003cp\u003eSIS PROTEIN20 Vegan Bar uses a blend of soya, pea, and pumpkin seed protein rather than a single plant protein source, aiming for a more complete amino acid profile than any one plant protein alone.\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eHow to use\u003c\/h2\u003e\u003cp\u003eEat after workouts or between meals, thrown in a gym or work bag for convenience.\u003c\/p\u003e\u003ch2\u003eFormat\u003c\/h2\u003e\u003cp\u003eBox of 12 bars, 64g each.\u003c\/p\u003e","brand":"SIS","offers":[{"title":"Peanut Butter \u0026 Jelly","offer_id":50941104357642,"sku":"","price":34.8,"currency_code":"GBP","in_stock":false},{"title":"Salted Caramel","offer_id":50941104390410,"sku":"","price":34.8,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/3071\/4890\/files\/0004984_sis-protein20-vegan-bar-12-x-64g-bars_4331cf36-3a45-4ac4-8fb4-e56e7c51280f.jpg?v=1742902846"},{"product_id":"sis-go-electrolyte-drink-1-6kg","title":"SIS Go Electrolyte Drink - 1.6kg","description":"\u003cp\u003e\u003cstrong\u003eSIS GO Electrolyte Powder — Carbohydrate \u0026amp; Electrolyte Drink, 1.6kg\u003c\/strong\u003e\u003cbr\u003eThe PEAK4 expert team selected SIS GO Electrolyte for combining fast-acting carbohydrate with electrolyte replacement, addressing both energy delivery and hydration in one formula.\u003c\/p\u003e\u003cp\u003eMixed to precise research-based concentrations, 36g carbohydrate as a 6% solution, sodium at 20mmol\/L, per 500ml serving, to offset the negative effects of carbohydrate depletion and dehydration during endurance exercise.\u003c\/p\u003e\u003cdiv class=\"ai-fact\"\u003e\u003cp\u003eSIS GO Electrolyte is mixed at specific research-based concentrations, 36g carbohydrate per 500ml as a 6% solution and 20mmol\/L sodium, to simultaneously optimise both energy delivery and hydration, rather than favouring one over the other.\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eHow to use\u003c\/h2\u003e\u003cp\u003eAdd 40g (2 scoops) to 500ml of water, shake well. Drink 500ml every 45-60 minutes of exercise. Consume within 24 hours once prepared.\u003c\/p\u003e\u003ch2\u003eFormat\u003c\/h2\u003e\u003cp\u003e1.6kg pouch, 40 servings.\u003c\/p\u003e","brand":"SIS","offers":[{"title":"Lemon \u0026 Lime","offer_id":50941189488906,"sku":"","price":36.0,"currency_code":"GBP","in_stock":true},{"title":"Orange","offer_id":50941189521674,"sku":"","price":36.0,"currency_code":"GBP","in_stock":true},{"title":"Blackcurrant","offer_id":50941189554442,"sku":"","price":36.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/3071\/4890\/files\/0002274_sis-go-electrolyte-drink-16kg_550.png?v=1742903232"},{"product_id":"sis-beta-recovery-drink-1-5kg","title":"SIS BETA Recovery Drink - 1.5kg","description":"\u003cp\u003e\u003cstrong\u003eSIS BETA Recovery: Whey Protein, Dual-Source Carbohydrate, BC30 Probiotics\u003c\/strong\u003e\u003cbr\u003eThe PEAK4 expert team selected SIS BETA Recovery for its dual-carbohydrate approach: maltodextrin and fructose replenish glycogen from both muscle and liver stores simultaneously, alongside 30g of whey protein concentrate and 3g of leucine per serving.\u003c\/p\u003e\u003cp\u003eBC30 probiotics (Bacillus coagulans) are included to support digestion and absorption of that protein, rather than leaving it to pass through unused.\u003c\/p\u003e\u003cdiv class=\"ai-fact\"\u003e\u003cp\u003eSIS BETA Recovery targets glycogen restoration from two sources simultaneously: maltodextrin replenishes muscle glycogen while fructose replenishes liver glycogen.\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eHow to use\u003c\/h2\u003e\u003cp\u003eMix one serving with water and consume as soon as possible after exercise.\u003c\/p\u003e\u003ch2\u003eFormat\u003c\/h2\u003e\u003cp\u003e1.5kg pouch.\u003c\/p\u003e","brand":"SIS","offers":[{"title":"Chocolate","offer_id":50941839769866,"sku":"","price":50.0,"currency_code":"GBP","in_stock":true},{"title":"Vanilla","offer_id":50941839802634,"sku":"","price":50.0,"currency_code":"GBP","in_stock":true},{"title":"Salted Caramel","offer_id":50941839835402,"sku":"","price":50.0,"currency_code":"GBP","in_stock":true},{"title":"Strawberry","offer_id":50941839868170,"sku":"","price":50.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/3071\/4890\/files\/fs2144.webp?v=1742905878"},{"product_id":"sis-rego-rapid-recovery-drink-1-5kg","title":"SIS Rego Rapid Recovery Drink - 1.5kg","description":"\u003cp\u003e\u003cstrong\u003eSIS REGO Rapid Recovery: Soya Protein, Leucine, Informed Sport Certified\u003c\/strong\u003e\u003cbr\u003eThe PEAK4 expert team selected SIS REGO Rapid Recovery for its focus on the \"golden window\" immediately after exercise, when carbohydrate and protein replenishment matters most.\u003c\/p\u003e\u003cp\u003eEach serving delivers a blend of carbohydrate, high-quality soya protein isolate, and 2.5g of L-Leucine, the amino acid most directly linked to muscle protein synthesis, alongside a full vitamin and mineral blend.\u003c\/p\u003e\u003cdiv class=\"ai-fact\"\u003e\u003cp\u003eSIS REGO Rapid Recovery contains 2.5g of L-Leucine per serving, an amino acid that plays a key signalling role in triggering muscle protein synthesis after exercise.\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eHow to use\u003c\/h2\u003e\u003cp\u003eMix one 50g serving with water and consume within 30 minutes of finishing exercise for maximum recovery benefit.\u003c\/p\u003e\u003ch2\u003eFormat\u003c\/h2\u003e\u003cp\u003e1.5kg pouch, 30 servings.\u003c\/p\u003e","brand":"SIS","offers":[{"title":"Chocolate","offer_id":50941850452234,"sku":"","price":50.0,"currency_code":"GBP","in_stock":true},{"title":"Strawberry","offer_id":50941850485002,"sku":"","price":50.0,"currency_code":"GBP","in_stock":true},{"title":"Vanilla","offer_id":50941850517770,"sku":"","price":50.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/3071\/4890\/files\/0007017_sis-rego-rapid-recovery-drink-15kg.png?v=1742906225"},{"product_id":"sis-rest-plus-juice-10-pack","title":"SIS Rest Plus Juice – 10 Pack | Vegan Recovery Drink with Protein, Carbs \u0026 Leucine","description":"\u003cp\u003e\u003cstrong\u003eSIS Rest Plus Juice – Scientifically Proven Recovery When You Need It Most\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMaximise your post-exercise recovery with the innovative SIS Rest Plus Juice. This advanced vegan formulation uses science-backed ingredients to repair muscles, replenish energy, and restore balance after intense exercise or training. Packed with 20g of high-quality soy protein, 20g of carbohydrates, 2.5g of leucine, and essential vitamins and minerals, SIS Rest Plus Juice ensures you recover faster and are ready to perform again, instantly.\u003c\/p\u003e\n\u003cp\u003eCrafted exclusively for athletes and active individuals, Rest Plus Juice simplifies recovery with refreshing taste and precise nutritional benefits. Available in a convenient 10-pack, every serving amplifies recovery times, reduces muscle fatigue, and provides the building blocks for sustained progress.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVegan Recovery Formula:\u003c\/strong\u003e Unique plant-based formulation designed for active lifestyles while supporting sustainable nutrition.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20g Soy Protein:\u003c\/strong\u003e Accelerates muscle repair with high-quality plant protein for effective recovery after exercise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20g Carbohydrates:\u003c\/strong\u003e Replenishes energy stores depleted during intense activity, keeping you ready for the next challenge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.5g Leucine:\u003c\/strong\u003e Supports protein synthesis and muscle rebuilding to optimise post-workout recovery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEssential Vitamins and Minerals:\u003c\/strong\u003e Restores vital nutrients lost during workouts to promote overall wellbeing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConvenient Nutrition:\u003c\/strong\u003e Comes in a 10-pack for portable, ready-to-consume support whenever recovery is needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRecovery is power, and SIS Rest Plus Juice is more than just a fuel source, it’s a deliberate choice to invest in your athletic progress. Built for individuals who refuse to compromise on performance, this vegan recovery drink equips you to push limits, overcome fatigue, and stay ahead of the competition. Every sip reminds you that rest is as critical to success as the effort you put in.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRebuild, Refocus, and Recharge.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSIS Rest Plus Juice aligns with your goals, ensuring every workout ends with maximum recovery potential. It delivers science-driven results while supporting a sustainable, vegan lifestyle, empowering you to rise stronger and faster time after time. Recovery isn’t a pause, it’s the foundation of your next performance. Choose SIS and redefine how you recharge for greatness.\u003c\/p\u003e","brand":"SIS","offers":[{"title":"Default Title","offer_id":50941861232906,"sku":"","price":20.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/3071\/4890\/files\/0007859_sis-rest-plus-juice-10-pack_550.jpg?v=1767222632"},{"product_id":"sis-go-caffeine-shot-cola-12-pack","title":"SIS GO Caffeine Shot Cola - 12 pack","description":"\u003cp\u003e\u003cstrong\u003eSIS GO Caffeine Shot — 150mg Caffeine, Cola\u003c\/strong\u003e\u003cbr\u003eThe PEAK4 expert team selected SIS GO Caffeine Shot for a genuine 150mg caffeine dose alongside 2000mg L-Citrulline Malate and 250mg magnesium, no mixing, no prep, no fuss.\u003c\/p\u003e\u003cp\u003eDesigned for long, tough endurance events, this comprehensive formulation also includes B vitamins to support a reduction in tiredness and fatigue, used by the world's best athletes including Team Sky.\u003c\/p\u003e\u003cdiv class=\"ai-fact\"\u003e\u003cp\u003eCaffeine supplementation at 3-6mg per kg of body mass has been shown to enhance performance during endurance sports, sport-specific tasks in football, basketball, and rugby, and beneficially affect attention, reaction, and accuracy during exercise.\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eHow to use\u003c\/h2\u003e\u003cp\u003eConsume 1 shot 30 minutes before high-intensity exercise. In longer events, consume no more than 2 shots per day.\u003c\/p\u003e\u003ch2\u003eFormat\u003c\/h2\u003e\u003cp\u003eBox of 12 shots, 60ml each.\u003c\/p\u003e","brand":"SIS","offers":[{"title":"Default Title","offer_id":50941899768074,"sku":"","price":26.4,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/3071\/4890\/files\/0007952_sis-go-caffeine-shot-cola-12-pack_550.png?v=1742907101"}],"url":"https:\/\/peak4.co.uk\/collections\/sis.oembed","provider":"PEAK4","version":"1.0","type":"link"}