{"product_id":"gu-energy-roctane-ultra-endurance-gel-cold-brew-2x-caffeine","title":"GU Energy Roctane Ultra Endurance Gel - Cold Brew 2X Caffeine","description":"\u003cp\u003eIn this review the GU Energy Roctane Ultra Endurance Gel in Cold Brew is evaluated for long, high-intensity efforts where sustained fuel and extra electrolytes matter most. The bottom line: this gel is aimed at experienced endurance athletes who need compact, calorie-dense packets with a stronger caffeine kick and added amino acids to help reduce muscle damage. It delivers quick carbohydrates, a notable 2X caffeine boost in Cold Brew, and targeted amounts of sodium and amino acids to support long sessions without upsetting the stomach.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e100 calories per packet:\u003c\/strong\u003e provides a compact, calorie-dense hit that is easy to carry and consume during long training or racing.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDual-source carbohydrates:\u003c\/strong\u003e maltodextrin and fructose use separate absorption pathways to supply faster and more sustained energy than a single-carbohydrate gel.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHigh amino acid content:\u003c\/strong\u003e 1425 mg of amino acids per packet helps reduce muscle damage and mental fatigue during extended efforts.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eEnhanced electrolytes:\u003c\/strong\u003e 125 mg sodium in Cold Brew supports fluid balance and helps maintain performance in sweat-heavy conditions.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCold Brew 2X caffeine:\u003c\/strong\u003e about 70 mg caffeine per packet offers a stronger stimulant effect for late-race alerts or early-morning intensity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eRoctane Ultra is best for endurance runners, cyclists, triathletes, and backcountry adventurers who regularly push beyond two hours and need compact, reliable in-activity fueling. The extra sodium and amino acids make it appropriate for hot-weather events or multi-hour training where muscle preservation and hydration are concerns.\u003c\/p\u003e\n\u003cp\u003eIt is less suitable for casual exercisers or those sensitive to caffeine; the Cold Brew flavor has roughly twice the caffeine of other gels and may be too stimulating for mid-distance or low-intensity sessions. People seeking whole-food fueling or lower-calorie options should consider other products.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eStrong immediate and sustained energy from dual carbohydrates, helping maintain pace on long efforts.\u003c\/li\u003e\n \u003cli\u003eNotable amino acid blend that customers report helps with endurance and reduced muscle soreness.\u003c\/li\u003e\n \u003cli\u003eCold Brew flavor has a pleasant taste and delivers a clear caffeine lift without upsetting most stomachs.\u003c\/li\u003e\n \u003cli\u003eHigh sodium content aids hydration and electrolyte balance during heavy sweat sessions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eHigher caffeine level means it is not ideal for caffeine-sensitive athletes or for frequent use close to bedtime.\u003c\/li\u003e\n \u003cli\u003eSome users mention mixed opinions on value for money compared with basic gels when caffeine or amino acids are not required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eUltra Endurance Energy Gel\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eCalories per packet\u003c\/td\u003e\n\u003ctd\u003e100 calories\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eAmino acids\u003c\/td\u003e\n\u003ctd\u003e1425 mg per packet\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eCaffeine (Cold Brew)\u003c\/td\u003e\n\u003ctd\u003e~70 mg per packet (2X)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eSodium (Cold Brew)\u003c\/td\u003e\n\u003ctd\u003e125 mg per packet\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eCarbohydrate sources\u003c\/td\u003e\n\u003ctd\u003eMaltodextrin and fructose (dual-source)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eDietary attributes\u003c\/td\u003e\n\u003ctd\u003eVegan, gluten-free, kosher, dairy-free\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe GU Roctane Ultra Cold Brew gel is a focused choice for serious endurance athletes who want compact, easy-to-carry fuel with an extra caffeine kick and added amino acids for muscle support. It offers practical on-course benefits for long races and hard training, though casual users or those avoiding caffeine should consider milder alternatives; for its target use it represents a solid value in performance nutrition.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow often should I take a packet?\u003c\/strong\u003e\u003cbr\u003eTake one packet every 20-30 minutes during activity, and be sure to hydrate alongside each packet to aid absorption.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs Cold Brew safe for long events?\u003c\/strong\u003e\u003cbr\u003eYes, if you tolerate caffeine; Cold Brew contains about 70 mg caffeine per packet, so plan intake to match your caffeine tolerance and event duration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it upset my stomach?\u003c\/strong\u003e\u003cbr\u003eMost customers report the gel is easy on the stomach thanks to the formulation, but individual tolerance varies so test it in training before race day.\u003c\/p\u003e","brand":"GU Energy","offers":[{"title":"Default Title","offer_id":48252304294107,"sku":"B07VYMYSD8","price":72.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71lUIhh-g0L._AC_SL1500.jpg?v=1778329280","url":"https:\/\/gearmusthave.com\/products\/gu-energy-roctane-ultra-endurance-gel-cold-brew-2x-caffeine","provider":"GearMustHave","version":"1.0","type":"link"}