USN IsoFuel 160 is race-day fuel in its most practical form: a single-serve liquid sachet delivering 160 kcal of rapidly available carbohydrates, engineered for endurance athletes who need energy mid-effort without stopping, mixing or chewing.

Where basic gels only supply sugar, IsoFuel adds electrolyte replenishment and cramp-block support — addressing the muscle function and hydration problems that actually end long events.

Key Benefits

• 160 kcal of readily digestible carbohydrates per sachet
• Cramp-block ingredients supporting muscle function over long durations
• Electrolyte blend for fluid balance and mineral replacement
• Zero caffeine — clean fuel at any hour, for any stomach
• Liquid format for rapid uptake and mess-free use on the move

How to Use

Tear and consume during prolonged training or events whenever energy demands rise — no water required, though drinking to thirst alongside is always smart.

Who It Suits

Distance runners, cyclists, triathletes and multi-hour event athletes who've learned the hard way that fuelling can't wait until you're empty.