SiS Mixed GO Isotonic Energy Gels - 30 Pack

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Product Overview

Why Choose?


The GO Isotonic Gel was the worlds first isotonic gel effectively delivering an easily digestible and quick supply of carbohydrate for energy during exercise. GO Isotonic Gels are designed to be consumed without water meaning that you can ensure rapid delivery of carbohydrate to your muscles without the feelings of being bloated that can sometimes occur with over-drinking.

Key Features:

  • • Truly isotonic formulation - no need for water
  • • 22 grams of rapidly absorbed carbohydrate per gel
  • • Convenient easy-to-take format
  • • Contents: 30 x 60ml gels per pack
  • • Contains a mixture of Orange, Lemon and Lime, Vanilla, Apple, Cherry, and Fruit Salad flavoured Maltodextrin gel with added sweetener.
  • • Suitable For Vegans.
Suggested Use

Depleting your carbohydrate stores during exercise is one of the major causes of fatigue. Delivering additional carbohydrate during exercise is known to improve performance, race times and delay the onset of fatigue.

The Isotonic formula allows the gel to empty from the stomach quickly as no fluid needs to be drawn into your stomach to dilute the gel, providing fast energy. SiS GO Isotonic Energy Gels are highly practical and can easily be carried without the requirement for bulky bottles.

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

Directions For Use

Consume 1-3 gels per hour to deliver approximately 60 grams of carbohydrate and maximize carbohydrate utilization rates. Where hydration is also important, SiS GO Isotonic Gels can also be consumed with SiS GO Hydro or with SiS GO Electrolyte to ensure a combination of both energy and fluid delivery during exercise.

Directions for Use

Simply tear off the top of the packaging and consume - there is no need to mix with water.

Nutritional Information
Suitable For
Nutrition Stats

For nutitional information about the individual products within this pack, please see the relevant product page for each product. Example below is for Pineapple Flavour.

Typical ValuesPer 100mlPer Serving 60ml
Energy 613kj/144kcal 368kj/87kcal
Protein 0.0g 0.0g
Carbohydrate 36g 22g
of which sugars 1.0g 0.6g
Fat 0.1g 0.0g
of which saturates 0.0g 0.0g
Fibre 0.1g 0.0g
Salt 0.01g0.01g


Water, Maltodextrin (from Maize) Gelling Agents (Gellan Gum, Xanthan Gum), Natural Flavouring, Acidity Regulators (Citric Acid, Sodium Citrate), Preservatives (Sodium Benzoate, Potassium Sorbate), Sweetener (Acesulfame K), Sodium Chloride, Antioxidant (Ascorbic Acid)


When should I consume these?

Consume 1-3 gels per hour during endurance exercise to maximise carbohydrate utilisation rates. Alternatively, take one halfway through repeated high intensity exercise (such as football or rugby) to rapidly replenish glycogen stores.


When should I have these versus Electrolyte, Caffeine or L-Carnitine gels?

These should be consumed when you need a fast, convenient energy boost. During endurance exercise lasting over 90 minutes, these should be the main gels that are used throughout a race. Use in combination with other Energy products e.g 1 x GO Isotonic Energy Gel and 1 x 500ml GO Electrolyte to hit 58 grams of carbohydrate (per hour).


Is this gel Isotonic?

Yes, this gel was the first truly isotonic energy gel.


Are these 'natural'?

GO Isotonic gels contain natural flavourings.


Why are these better than regular foods, for example a banana?

GO Isotonic Energy Gels are designed to be absorbed fast into your gut, providing fast energy. Some solid foods can take a while to digest as there's more fat and fibre in whole foods, which during exercise can cause feelings of bloating and discomfort.


Do these contain aspartame?

No, Gels do not contain aspartame.


Will they fit in my cycle jersey pocket?

Yes! All GO Gels are lightweight, compact and designed to fit in jersey pockets, cycle bags and waist packs. They are pressure tested, so don't worry about the packaging tearing or bursting during exercise.


Reviews (20 Reviews)
Showing 20 of 20 reviews

All very good



Good and cheap



Some of gel packets were leaking

Gary Walton


Great selection of gels - Fruit Salad flavour is amazing. These have made a big difference to me on long rides - early on and consistently taken and I am able to keep going for much longer and recover better. Also the texture/flavour is great- not overly sweet or thick - requires no extra swigs of water.



Good product. Fast delivery

Malcolm Hughes


Just about perfect for running those not long enough for a hydration pack runs.

Terry Furlong


Perfect for using on half, full marathons and Ultra runs.

Suzie - Marathon Runner


OK but not up to the usual standard, some of the energy gels were gloopy with an unpleasant texture.



Very effective, easy to use. 10/10



Been buying these for ages and never disappointed

Rick Nimbley


Great flavours to keep you going long runs. Surprised how nice the vanilla flavour is!

Berian Miles


Good quality product that keeps me going on longer rides

Greg Bartholomew


A bit artificial tasting but work well.

Martin Clark


Great service and product very fast delivery service too via eBay

Chris Robinson


Only gels I use

Daniel Stuart Crow


I actually really like the taste of these & they're easy to use. It took me a while to be able to remove the tab smoothly, but once I'd done it a couple of times they became easy to use while training. Great product & great flavours (the vanilla & cherry are absolutely delicious!!)

Pippa Tanner


No digestive issues, and good flavours

Ben Chapman


The best cycling gels, no need water, easy to open on bike, good taste, no stomac problem, very efficient and always very good deals with SIS.



Excellent product and prompt delivery

Ian Budden


The only gels I buy. They really give a boost in my opinion.

Johnboy 430