SiS

SiS BETA + Electrolyte Gel

~~£2.50~~ £1.99 Sale

40g of dual-source carbohydrate with 200mg sodium per gel for endurance fuelling during long efforts.

Quantity Size: Single Serve

Single Serve Box of 6 Gels Box of 30 Gels

Flavour: Raspberry & Lemon

Raspberry & Lemon

Product variants

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Quantity

In stock. Delivery 3-5 Days. Free UK delivery over £50

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Key Benefits

40g Carbohydrate Per Gel — High-carbohydrate endurance fuel.
200mg Sodium — Added sodium alongside carbohydrate.
1:0.8 Carb Ratio — Maltodextrin and fructose formula.
Endurance-Focused — Designed for prolonged sessions and races.
Convenient 60ml Sachet — Practical on-the-go fuelling.

SiS BETA Fuel + Electrolyte Gel is designed for endurance athletes who want carbohydrate and sodium in one portable serving. Each gel delivers 40g of dual-source carbohydrate plus 200mg sodium for use during longer training sessions and races.

The 1:0.8 maltodextrin-to-fructose formulation can fit into higher-carbohydrate fuelling plans, while the added sodium helps athletes account for their electrolyte intake. The Raspberry & Lemon gel is available individually and in multipacks for regular training or event preparation.

Nutrition & Ingredients

Values are per gel and apply to single sachets, packs of six and boxes of 30.

Raspberry & Lemon – 60ml gel

Per gel: 681kJ / 160kcal; carbohydrate 40g (sugars 19g); fat 0g (saturates 0g); protein 0g; salt 0.53g; sodium 200mg; chloride 300mg (38% NRV).

Ingredients: Water, Maltodextrin (32%), Fructose (25%), Sodium Chloride, Natural Flavouring, Acidity Regulators (Citric Acid, Sodium Citrate), Gelling Agents (Gellan Gum, Xanthan Gum), Flavouring, Preservatives (Sodium Benzoate, Potassium Sorbate).

Nutritional information is based on the manufacturer's published formulation. Check the packaging for the latest flavour-specific ingredients, allergens and values.

Suggested Use & Compatibility

Suggested Use

Consume a gel during prolonged exercise as part of your tested carbohydrate plan. Each gel contributes 40g carbohydrate and 200mg sodium.

Fuelling Compatibility

Combine with water and other SiS BETA Fuel products where appropriate. Adjust sodium and fluid intake to conditions, sweat losses and personal requirements.

Why We Choose SiS

We choose SiS - Science in Sport because they create trusted sports nutrition products designed to help athletes fuel, hydrate and recover with confidence. From isotonic energy gels and electrolyte tablets to recovery drinks and advanced endurance fuelling, SiS supports runners, cyclists, triathletes and active individuals before, during and after training and racing.

Science-Led – Developed with a clear focus on sports science, performance nutrition and real-world athlete needs.

Easy to Use – Practical fuelling solutions such as isotonic energy gels that are simple to take during exercise, with no unnecessary complexity.

Endurance Focused – Designed to support sustained energy, hydration and recovery across running, cycling, triathlon and high-intensity training.

Trusted by Athletes – Used by everyday athletes and elite performers who need reliable nutrition when performance matters.

That’s why SiS is part of the North Sports collection — giving you proven sports nutrition to fuel harder sessions, support recovery and perform at your best.