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A UK-made soft-baked endurance oat bar providing 30g of dual-source carbohydrate per bake for during-exercise fuelling and carb loading..
A soft-baked, fruit-centred oat bar built specifically for endurance athletes — cyclists, runners, triathletes, and hikers who need real carbohydrate fuel mid-session, not a snack. Ideal for long training rides, race-day fuelling, and carb-loading phases where consistent energy intake is the difference between finishing strong and bonking at hour two.
What separates the GO Energy oat bar from the average snack-aisle granola product comes down to formulation logic. Each bake delivers 30g of carbohydrate from a dual-source 2:1 glucose-to-fructose ratio — a scientifically validated combination that uses two separate gut transporter pathways, allowing the body to absorb up to 90g of carbohydrate per hour with minimal GI discomfort. Single-source carbs typically max out around 60g/hour and often cause stomach issues at high intake. The bar also contains 3.5g of protein and a soft fruit centre, making it easier to eat during exercise than dry energy bars that turn into chewing exercises mid-effort. The compact format is sized to fit cycling jersey pockets, waist packs, and running belts — small detail, but it's the difference between using a product and leaving it on the kitchen counter.
Science In Sport is a UK-based brand publicly listed on the London Stock Exchange (AIM: SIS) and manufactured to GMP standards. The brand's broader range is widely Informed-Sport certified for elite athletes, with batch-level testing across its performance line — making it a trusted choice for tested-pool cyclists and runners. For competing athletes in Sri Lanka, always check the individual batch certification on the SiS website; for everyone else, the brand's pedigree as official supplier to multiple WorldTour cycling teams and Olympic federations underpins the formulation quality.
Pair it with isotonic gels or hydration mixes from our energy and hydration range to hit the full 60–90g/hour carb target during long sessions.
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Science in Sport (SIS) is a leading sports nutrition brand trusted by professional athletes, fitness enthusiasts, and active individuals worldwide. With a commitment to cutting-edge research, clinical testing, and high-quality ingredients, SIS is designed to fuel endurance sports, intense training, and athletic performance. Whether you are a marathon runner, a cyclist, or a bodybuilder, SIS offers the right support for anyone serious about their fitness and sports goals.
Science in Sport products are designed for -
Sports Nutrition Hub (PVT) Ltd is proud to be the official distributor of Science in Sport (SIS) in Sri Lanka. We guarantee that all SIS products are 100% authentic, imported directly from SIS’s official suppliers, ensuring fresh stock, verified batch tracking, and optimal quality for athletes in Sri Lanka.
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