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SiS GO Energy + Caffeine Gels - 30 Pack

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Was £34.20 Was £57.00

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gluten free
wheat free
dairy free
nut free


Product Information

The GO Energy + Caffeine Gel 75mg builds on the established science of the GO Isotonic Energy gel, the world's first and only truly isotonic energy gel.

This product provides 22g of carbohydrate and 75mg of caffeine per gel (Citrus flavour). Ideal for high intensity races and long, tough days on the road. Caffeine has been repeatedly shown to improve performance by lowering your perception of effort by providing a boost just when you need it.

GO Energy + Caffeine is clean in the mouth and easy to digest. For when you want an energy boost, but want the benefits of caffeine too. Use before or during sport for added physical and mental focus when you want to get an edge.

Key Features

  • • 75mg of caffeine per gel
  • • 22 grams of carbohydrate per gel
  • • Formulation delivering energy fast and effectively
  • • Contents: 30 x 60ml gels per pack

Product Uses
Recommended Usage

Consume 1 gel 1 hour before exercise for high intensity, short duration events to ensure the body starts with elevated caffeine levels. In longer duration events consume no more than 2 double caffeine gels per day. Ensure you keep hydrated. This product is not intended for children, under 16's or pregnant women. Where hydration is important, SiS GO Energy + Caffeine Gel 150mg can also be consumed with SiS GO Hydro or GO Electrolyte to ensure a combination of energy, caffeine 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.


Caffeine acts centrally on the brain to lower the perception of effort, which is particularly noticeable in longer events. In distance events over 90 minutes, mental tiredness as well as physical fatigue plays a large role in determining performance as the event progresses. Caffeine can help to maintain physical performance in this situation.

Depleting your carbohydrate stores during exercise is one of the major causes of fatigue. Delivering the additional carbohydrate provided in SiS Energy + Caffeine Gels during exercise can help improve performance, race times and delay the onset of fatigue.

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

Nutritional Info

For nutritional information about the individual flavours please contact customer service. Example below is for Cola flavour.

Typical ValuesPer 100mlPer Serving 60ml
Protein 0.0g 0.0g
Carbohydrate 35g 21g
of which sugars1.2g 0.7g
Fat 0.0g0.0g
of which saturates 0.0g 0.0g
Salt 0.1g 0.04g


Water, Maltodextrin (from Maize) (33%), Natural Flavouring, Gelling Agents (Gellan Gum, Xanthan Gum), Acidity Regulators (Citric Acid, Sodium Citrate), Caffeine (75mg), Preservatives (Sodium Benzoate, Potassium Sorbate), Sweetener (Acesulfame K, Sucralose), Sodium Chloride, Antioxidant (Ascorbic Acid)


GO Energy + Caffeine Gel - Berry

GO Energy + Caffeine Gel - Cola

GO Energy + Caffeine Gel - Double Espresso

GO Energy + Caffeine Gel - Citrus

Read More

What is the recommended frequency of consumption?

We don't recommend that you consume more than 4 x GO energy + 75mg gels per day.


When is the best time to consume the GO Energy + caffeine Gel?

Have 1 gel 30 minutes before short, intense exercise to provide mental stimulation for the race ahead. Have 1?2 gels towards the end of long, endurance exercise to improve alertness and concentration.


What are the benefits of caffeine?

Caffeine has been shown to increase endurance performance by providing a mental boost, improving alertness and concentration


Are these gels isotonic?

The GO energy + caffeine gel is not isotonic. The added caffeine increases the concentration of the gel.


Will these upset my stomach?

75mg of caffeine is the equivalent to one cup of coffee or one can of energy drink. However, individuals tolerate caffeine consumption differently to others, so make sure you try it out in training, before use in competition.


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.


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Verified Reviews

Rated 4.8 out of 5 based on 43 Reviews
Joonas Meri

This is my go-to energy gel when I need a real caffeine boost. In my experience SIS isotonic gels help with stomach problems on longer rides. I really like the taste toi!

Grace Hutter

Great product

Michal Ilczuk

All good")

Russell Kelly

Great product

Martin Dawson

Boosts tired legs in the last quarter of a 100km ride. Tastes great.

Paul Holt

Good product as usual but no label on each gel


Cheaper to buy in bulk, works out to a £1 each ! The gel taste great only draw back is be careful when you put the sachets in your mouth when riding the edges are sharp and if you do remove the sachet from your mouth you can cut the inside of your cheek as I discovered.

Alan Lathbury

Excellent product for the 4 hour rides

Tee Parker

Great texture taste and for me deliver that kick when fatigued


I keep buying these though i don't really like the flavour nor the consistency because they really make you feel good. Hydration is a key point and these Gels kick your hydration up, your energy and your motivation. I recommend them 100%

scot bovington

Good to the taste and work well on the run

Darrell Mandiwall

Great taste. Efficient delivery.

Scott Anderson

good product


Not a big hit of caffeine but enough for an early morning 10k

Richard Granger

Great taste and works for me.

Scot customer

Best ones yet defo buy again


These are a good alternative in summer to the double espresso gel and they have an excellent citrus taste but the caffeine is a bit on the low side.


Great product and delivery super fast


Speedy delivery after payment made.......will use again 👌👌

Jason Lovelock

Excellent product


Good, but probably skip caffeine next time


Excellent service 😃👍


I liked the gel very much, I got hydrated during training and I felt less tired. excellent products.

dzolan daniel

This is my go to gel and my go to brand

Nick Sesink

Good quality and the cafeïne works great


Gives me a quick hit before gym session - more energy. And at 67 I need all the help I can get.!!Delivery time is good too.


Great taste

Scott Anderson

great product


Just the same but more expensive than the original version.

William Prewer

Great fuel for the long runs


good service

Nikita Tikhonov

Cola taste is my favorite


Gives al lot of energy


Was surprised at the flavour being as good as it was and how easily it went down. I think an attachment of the rip top opening to the package would be a good idea so it's not getting spat out on the road. Would also get a version of this with more caffeine as the amount in it could easily be increased to double the amount and I'd buy that.

Andy Gulay

Cool A+++

Roger Ireland

A real boost when you have run out of go after 150 minutes cycling. Returns energy levels to start of ride levels

Mathew stephenson

Great tasting gels if you like your coffee. mid race espresso. . yummy

Pete Roper

Caffeine gel is a regular for me especially when I want that quick kick, I find it works fast not lasting as long as some other ISI Gels but for a quick fix fantastic.

Malcolm Bembridge

Always get the heart racing 😁


Gives a boost when you need it.


nice package, but a bit big to carry while running. good for cycling in pack.