GO Energy + Caffeine Gels - 6 Pack

Perfect for:
Dairy Free
Gluten Free
Wheat Free
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Key Benefits
Energy during exercise
22g carbohydrates, 75mg caffeine
Informed Sport accredited
Key Benefits
Energy during exercise
22g carbohydrates, 75mg caffeine
Informed Sport accredited
Product Overview

Why Choose?

  • Designed for high intensity races and long days on the road
  • 85 calories per serving
  • Clinically proven to improve performance when taken 30 minutes before exercise


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 flavor). 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: 6 x 60ml gels per pack
Suggested Use

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, Soy Free

Directions For Use
  • Consume 1 gel 30 minutes before short, intense exercise to provide mental stimulation for the exercise ahead - Perfect when you need an energy and mental boost quickly

  • Simply tear off the top of the packaging and consume
Nutritional Information
Suitable For
Nutrition Stats

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 - Citrus

GO Energy + Caffeine Gel - Cola

GO Energy + Caffeine Gel - Double Espresso


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.


Reviews (37 Reviews)
Showing 37 of 37 reviews

It tastes like Robitussin cough medicine, but it gives me that boost I need around mile 8.



Easy to use while running. A bit tart but still great tasting. No jitters which is so nice compared to other energy products.

K. Graves


The flavors of the gels are good, and they aren't thick. They ate very easy to get down, and you don't need to chase it with any liquid, but do be sure to hydrate! They do exactly what they're supposed to do. I use them on long runs or cold/hot runs, and I never cramp up from them. One time I had a really bad side stitch because I hadn't consumed enough carbs before getting halfway into my run. I took one SiS gel and it went away pretty quickly (5 or so minutes), so I was able to finish my run.

Amaechi Ezemba


Great product for a long ride or race. No stomach issues and the easy to use on the bike. Will order more of these after my trial.



This gels are absolutely amazing. Love everything about them. The flavors, the liquid texture to them and the best part, that they do not cause GI distress under any circumstances. I've used them in training and during racing and no problems whatsoever. And this ones with caffeine are the best because they give a noticeable kick with no jitters.



Tastes great and works as advertised

Edward Delk


On my long rides these have helps battle some of the mental fatigue that creeps in. Very nice flavor too.



Excellent. Easy to carry and take on the run. Great taste and no need for water.



Love the texture of the energy gel packets. They are not gel like and easy to get down. Energy wise, worked really well during Ironman World Championships 70.3. I took one right when I got on the bike, and then right before I got on the run, and it gave me the energy I needed to feel consistent with pacing and everything. Very solid product, interested in see what else your company can provide to get me to that next stage.

Lothar Birkenfeld


Definitely great tasting and I nice steady jolt of energy. Nothing too crazy. Will order again for sure.



The gel was easy to swallow, tasted good and seemed to keep my energy up until after I had eaten all that I had brought with me on a long ride in the mountains. Would have been nice to have had at least one more gel by the end of the ride.



Taste like cough medicine, but it seems to work well enough



Product is amazing, great pack, works as advertised, like it and use it for rides of over 2hours



Great tasting gel that keeps my energy up throughout my ride



Smooth texture and consistency makes these easy to drink/eat while on a run or bike ride. Flavor is good too!



First off 5 starts for product performance. The SIS gels are fantastic and easy to consume even while running. Normally I am plagued with cramps when I try and nutrition while running, but the SIS gels have worked great during my training for my next 70.3 distance tri. The 2 star rating is for flavor. The caffeine berry taste quite bad, reminds me of cherry medicine as a kid. I would suggest a different flavor.



Was hoping for something with a little more caffeine but it gets the job done. Not quite enough to give you the shakes but will spike your energy a little.



Provides boost of sustained energy

Mark Parker


I am not crazy about the taste but it works well.



Easy to get from your rear pocket and rapid digestion with no discomfort. Great balance of caffeine and important nutrients to replenish while exercising.

Jhonatan Jerez


The espresso gel is great during and after a long ride. During the ride when I'm craving coffee I just go to the espresso gel and I'm satisfied.



Love these for using during the latter part of a long training event or race when it feels like I am fading a bit. Really turbocharges the system. I also use these for my early morning (4:00 am) training events, running, cycling, swimming.

John T


Upset my stomach a tad the first time I used this gel before a workout. Once I gave myself a little bit more time for it to settle, it worked great! I love having the extra caffeine boost at the start of a workout.

Chance Morgan


I love the coffee taste and it’s energy booster effect.



The item did finally arrive. Thanks.

Mike Defranco


Love the double caffeine, really get ya goin!

Bobby Wheeler


The coffee flavor is the best!



I really like the consistency of these gels. Much easier to eat on the run than gu gels. The espresso has a very strong coffee flavor, which was a little too strong for me, but others may like that.



Helps prevents bonks used it today



Awesome gels, they works and taste great, the Espresso ones are my favorite



Great taste! Don’t like artificial sugars.



Excellent delivery of energy and power and no crash or jitters.

Valued Customer


This is like Rocket Fuel! When you need a boost take a serving of espresso and you'll feel it kick in!

Tim W


Didn't like the initial flavoring, but reaped the energy benefits!



Foul tasting flavor, sloppy and messy when opening and consuming while riding on bike, need to follow with water to get rid of after taste. I'll stick with my favorite GU gel Espresso Love which seems just as effective and much easier to open and consume with out mess. After using two packages I'm done with this and have been giving them to friends to sample. No one has asked for a second sample.



great taste, great consistency. Don't feel like I need to down half a bottle after eating a gel. Used 10+ gels now on 2-4 hour rides and have encounter zero GI issues.



STRONG COFFEE TASTE!! Be careful, it really is like drinking an espresso

Robert Neil