SiS


SIS HYDRO+ Electrolyte Drink Mix

£1.59

Hydration that goes further — SiS HYDRO+ Electrolyte Drink Mix delivers 1576mg of electrolytes plus added vitamins in a convenient sachet, helping support hydration before, during and after training.

Quantity Size: Single Serve
Flavour: Berry

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Key Benefits

  • 1576mg Electrolytes Per Serving – Helps replace key minerals lost through sweat.
  • Five Essential Electrolytes – Includes sodium, potassium, magnesium, calcium and chloride.
  • Added Vitamins – Contains Vitamin C, B6 and B12 to support energy metabolism and help reduce fatigue.
  • Easy 500ml Mix – Add one sachet to 500ml of cold water, shake or stir, and drink.
  • Convenient Stick Sachets – Pocket-sized single servings for training, racing, travel and daily hydration.
  • Supports Performance Hydration – Designed for use before, during or after exercise.
  • Ideal for Active Lifestyles – Suitable for runners, cyclists, triathletes, gym-goers and endurance athletes.
  • Multiple Pack Options – Available as Single Serve, Pack of 6 or Box of 20.
  • Refreshing Flavour Options – Choose from Lemon, Orange & Mango and Berry.
  • Informed Sport Certified – Tested to provide assurance for athletes.

The SiS HYDRO+ Electrolyte Drink Mix is designed to support hydration, energy and performance before, during and after exercise. Ideal for running, cycling, triathlon, gym training, endurance sport and busy active lifestyles, each single-serve sachet mixes easily with water to create a light, refreshing electrolyte drink.

Each serving delivers 1576mg of electrolytes, including sodium, potassium, magnesium, calcium and chloride, helping replace key minerals lost through sweat during training, racing or hot-weather activity. HYDRO+ also includes Vitamin C, Vitamin B6 and Vitamin B12, supporting normal energy metabolism and helping reduce tiredness and fatigue.

Simply mix one sachet with 500ml of cold water, shake or stir well, and drink straight away for convenient hydration on the go. Available as Single Serve, Pack of 6 or Box of 20, with flavour options including Lemon, Orange & Mango and Berry, SiS HYDRO+ is a practical electrolyte drink mix for athletes who want hydration support without carrying bulky tubs.

Product Specifications

Product: SiS HYDRO+ Electrolyte Drink Mix
Product Type: Electrolyte hydration drink mix
Format: Single-serve powder sachet / stick
Serving Size: 1 sachet
Powder Per Serving: 4.1g serving
Mixing Instructions: Add 1 sachet to 500ml of cold water, then shake or stir until fully dissolved
Best Consumed: Immediately once prepared
Electrolytes Per Serving: 1576mg
Key Electrolytes: Sodium, potassium, magnesium, calcium and chloride
Sodium Per Serving: 350mg
Potassium Per Serving: 300mg
Magnesium Per Serving: 56mg / 56.25mg
Calcium Per Serving: 120mg
Chloride Per Serving: 750mg
Vitamin C Per Serving: 80mg
Vitamin B6 Per Serving: 0.42mg
Vitamin B12 Per Serving: 0.75μg
Primary Use: Hydration and electrolyte support before, during or after exercise
Best For: Running, cycling, triathlon, gym training, endurance sport, hot-weather activity, travel and daily hydration
Available Sizes: Single Serve, Pack of 6 and Box of 20
Available Flavours: Lemon, Orange & Mango and Berry
Dietary / Certification Notes: Vegan, gluten free and Informed Sport certified
Key Features: Pocket-sized sachet, 500ml bottle mix, 1576mg electrolytes, five essential electrolytes, added Vitamin C, B6 and B12, easy hydration on the go

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.

Quantity Size: Single Serve
Flavour: Berry

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