Practical overview
GU Roctane Energy & Hydration Drink Mix combines carbohydrate, sodium and amino acids in a drink intended for extended endurance sessions. GU lists 250 calories, 59–60 g of carbohydrate, 320 mg of sodium and 1,900 mg of amino acids per serving. It is more calorie-dense than a simple electrolyte tablet, so runners should account for it within their overall fuelling plan rather than treating it as flavoured water.
Flavours are variants of this single model. Lemon Berry, Summit Tea and Tropical Fruit contain 35 mg caffeine per serving, while Grape and Strawberry Hibiscus are caffeine-free. Check the exact label before use, especially when combining it with gels or other caffeinated products. GU offers a 24-serving canister and a box of 10 single servings; this listing does not create separate products for pack size or flavour.
Mixing concentration, fluid needs and tolerance vary by runner and conditions. Test it during training before relying on it for a race, and follow the packet directions rather than assuming one concentration suits every session.
Price checked 12 October 2026: US$54 for the 24-serving canister on GU’s official US page. Regional pricing and availability vary.
Source: GU Roctane official product page.
ARC disclosure: compiled from manufacturer information; not medical advice or an ARC hands-on test. Amazon links are marketplace searches, not stock guarantees.
