Hydro (Pink Grapefruit)

Perfect for:
Dairy Free
Gluten Free
Nut Free
Wheat Free


- +

2 for 1 on selected Hydro*add 2 to your basket*
Applies to the following flavours (Single packs only &):
- Pink Grapefruit
- Cola
- Lemon
- Pineapple & Mango
- Immune

FREE DELIVERY ON ORDERS OVER 49€ Deliveries and Returns
Key Benefits
Designed for effective hydration
High in sodium
Easy and convenient format
Key Benefits
Designed for effective hydration
High in sodium
Easy and convenient format
Product Overview

Why Choose?

  • Optimum hydration in a convenient format
  • 9 calories per serving
  • Perfect to drop into your bottle during exercise and designed replace the key electrolytes you lose through sweat.


About Hydro

Hydro is designed to ensure you are effectively hydrated to produce your best performance. As an effervescent tablet that readily dissolves in plain water, it represents a highly practical approach (simply drop one tablet in your 500 ml water bottle) without the calories.

Hydro meets your sodium requirements at a specific concentration (30mmol/L) that is scientifically proven to produce superior hydration compared with water alone. It was developed to keep the British Sailing team optimally hydrated at the 2008 Beijing Olympics. Simply drop a tablet into water for effective hydration, with virtually no calories, before and during sports.

Lemon flavoured electrolyte mix with natural green tea extract and added sweetener.

Suggested Use

During moderate to intense exercise, we can produce up to 2 litres of sweat per hour depending on the environmental conditions. Sweat contains vital electrolytes, including sodium. Sodium is the most important electrolyte as it helps to stimulate thirst, improve taste and promote absorption and retention.

If fluid and electrolyte losses are not replaced, dehydration occurs which is a major cause of fatigue. Once dehydrated, our body temperature rises; our heart rate increases; we deplete carbohydrate stores quicker and we perceive the exercise to be more intense. SiS GO Hydro can help prevent this, with the aim not to lose more than 2% of our body mass.

Informed Sport Registered

Our complete product range is developed using a world-class approach to banned substance testing, providing assurance for athletes. For more information on Informed Sport & our unique world class approach, click here.

Suitable For: Vegans, Vegetarians, Lactose free, Gluten Free, Wheat Free, Nut Free, Soya Free

Directions For Use
  • Consume 500ml of SiS GO Hydro 3-4 hours prior to your event with a further 250-500ml in the hours before starting.
  • During exercise of a shorter length where carbohydrate intake is not necessary, consume 500 ml of SiS GO Hydro per hour.
  • Once prepared consume within 24 hours.
  • Do not consume more than 4 tablets per day.
  • Add 1 Hydro tablet to 500ml of water and let it dissolve.
Nutritional Information
Suitable For
Nutrition Stats


Typical Values Per 100g Per Tablet 4.2g
Energy 772kj/181kcal 32kj/8kcal
Fat <0.5g <0.5g
of which saturates 0.3g <0.1g
Carbohydrates 14g 0.6g
of which sugars 0.9g <0.5g
Protein <0.5g <0.5g
Salt 19g 0.8g
Vitamin B1 Thiamin 4.8mg 0.2mg
Vitamin B2 Riboflavin 7.1mg 0.3mg
Vitamin B6 9.5mg 0.4mg

*Reference intake on an average adult (8400 kj/2000 kcal)


Citric Acid, Electrolytes (35%) (Sodium Bicarbonate, Sodium Chloride, Calcium Carbonate, Potassium Chloride, Tricalcium Phosphate, Magnesium Carbonate) Sorbitol, Inulin, Flavouring, Green Tea Extract (2.3%), Sweetener (Sucralose), Colour (Beetroot Red), B Vitamins (Pyridoxine Hydrochloride, Riboflavin 5-phosphate- sodium, Thiamin Mononitrate).


What is the difference between SiS Hydro and the SiS GO Electrolyte products?

SiS Hydro contains a specific 300mg of electrolytes, which are lost through sweat. They are simply dissolved in water, with a minimal 0.8g carbohydrate and virtually no calories. Use SiS Hydro to hydrate before exercise and during sessions lasting under 90 minutes when energy is not needed. GO Electrolyte contains 36g of fast absorbing carbohydrate so is best for when energy is also required.


Does this make a fizzy drink?

When your drop the hydro tab in the water, it will fizz until fully dissolved. After this you are left with a still electrolyte drink.


Can I mix this with GO Electrolyte or GO Energy to get all the benefits?

No, as this would provide too much sodium, beyond the optimum levels.


Do they taste salty?

No, they come in a range of flavours.


Reviews (20 Reviews)
Showing 20 of 20 reviews

Fab thank you.

Deborah Reekie


Works well when cycling



Ricomprerei sicuramente



ottimi ingredienti



Excellent taste and effective .

Martin Clark


You didn't honour your advertised two for one offer.



Not ky favourite flavour but my son likes it.

Nick Maingay


Energia e buon gusto

Antonia Bredeon


Great !! I use always during my training

Martina Borghi


Great to have different flavours to use

Tex Palmer


Was provided free of charge with my order. The taste is realistic but not for me.

Chris R


anche con questo prodotto mi sono trovato bene

maurizio rezzan


Best flavour yet

Alistair Waite


Use them all the time.spot on.



Very tasty. Not oversweet

Andreia Teixeira


Great for running, nice flavour



Tastes ok and helps me avoid cramp after evening training. Being free with my order was a particular bonus!



four stars.



brilliant product love it

jeff hague


Excellent product