A retail display box and individual packets of SIS Hydro+ electrolyte drink mix in orange and mango flavor, shown on a clean light gray background.
A retail display box of SIS Hydro+ electrolyte drink mix in berry flavor, containing 20 single-serve stick packs, shown on a light gray background.
A retail display box and individual packets of SIS Hydro+ electrolyte drink mix in lemon flavor, shown on a clean light gray background.
A 6-pack box of SIS Hydro+ electrolyte drink mix in lemon flavor, shown with one single stick pack standing in front on a light gray background.
A box of SIS Hydro+ electrolyte drink mix in berry flavor, shown with one single stick pack standing in front on a light gray studio background.
A retail display box and individual packets of SIS Hydro+ electrolyte drink mix in orange and mango flavor, shown on a clean light gray background.
A retail display box of SIS Hydro+ electrolyte drink mix in berry flavor, containing 20 single-serve stick packs, shown on a light gray background.
A retail display box and individual packets of SIS Hydro+ electrolyte drink mix in lemon flavor, shown on a clean light gray background.
A 6-pack box of SIS Hydro+ electrolyte drink mix in lemon flavor, shown with one single stick pack standing in front on a light gray background.
A box of SIS Hydro+ electrolyte drink mix in berry flavor, shown with one single stick pack standing in front on a light gray studio background.

SiS

SIS HYDRO+ Electrolyte Drink Mix

£1.59

Portable electrolyte sachets providing 1,576mg electrolytes per serving, with added vitamins C, B6 and B12.

Quantity Size: Single Serve
Flavour: Berry
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Key Benefits
  • 1,576mg Electrolytes Per Serving — Measured electrolyte content.
  • Five Key Electrolytes — Includes sodium, potassium, magnesium, calcium and chloride.
  • Added Vitamins — Includes C, B6 and B12.
  • Single-Serve Sachets — Easy to carry in a training bag.
  • Simple Bottle Preparation — Designed to mix with 500ml water.

SiS HYDRO+ Electrolyte Drink Mix provides a convenient way to prepare an electrolyte drink for training, events and active days. Each single-serve sachet supplies 1,576mg of electrolytes and is designed to be mixed with water for easy hydration planning.

The formulation brings together sodium, potassium, magnesium, calcium and chloride with added vitamins C, B6 and B12. Available in Berry, Lemon and Orange & Mango, the individual sachets are simple to carry in a pocket, running vest or sports bag without measuring powder from a tub.
Nutrition & Ingredients

Values are per sachet and apply equally when the same flavour is purchased in a multipack.

Lemon – 4.1g sachet

Per serving: Vitamin C 80mg (100% NRV); vitamin B6 0.42mg (30% NRV); vitamin B12 0.75µg (30% NRV); potassium 300mg (15% NRV); chloride 750mg (93.8% NRV); calcium 120mg (15% NRV); magnesium 56.25mg (15% NRV); sodium 350mg.

Ingredients: Acid (Citric Acid), Sodium Chloride, Calcium Lactate, Flavouring, Potassium Chloride, Acidity Regulator (Sodium Citrate), Magnesium Oxide, Vitamin C, Sweetener (Sucralose), Natural Flavouring, Vitamin B6, Vitamin B12.

Berry – 4.5g sachet

Per serving: Vitamin C 80mg (100% NRV); vitamin B6 0.42mg (30% NRV); vitamin B12 0.75µg (30% NRV); potassium 300mg (15% NRV); chloride 750mg (93.8% NRV); calcium 120mg (15% NRV); magnesium 56.25mg (15% NRV); sodium 350mg.

Ingredients: Natural Flavourings, Acid (Citric Acid), Sodium Chloride, Calcium Lactate, Potassium Chloride, Flavouring, Acidity Regulator (Sodium Citrate), Magnesium Oxide, Colour (Beetroot Red), Vitamin C, Sweetener (Sucralose), Vitamin B6, Vitamin B12.

Orange & Mango – 4.3g sachet

Per serving: Vitamin C 80mg (100% NRV); vitamin B6 0.42mg (30% NRV); vitamin B12 0.75µg (30% NRV); potassium 300mg (15% NRV); chloride 750mg (93.8% NRV); calcium 120mg (15% NRV); magnesium 56.25mg (15% NRV); sodium 350mg.

Ingredients: Acid (Citric Acid), Flavourings, Sodium Chloride, Calcium Lactate, Potassium Chloride, Acidity Regulator (Sodium Citrate), Colour (Beta Carotene), Magnesium Oxide, Vitamin C, Sweetener (Sucralose), Vitamin B6, Vitamin B12.

Values and formulations are taken from SiS product information. Always check the supplied packaging for the latest ingredient, allergen and nutrition declaration.
Suggested Use & Compatibility

Suggested Use

Mix one sachet with 500ml cold water and shake or stir until dissolved. Use around exercise according to your hydration plan.

Hydration Compatibility

Consider total sodium and fluid requirements for the duration, intensity and temperature of your activity. Follow the manufacturer recommended daily serving limit.
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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