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Why Choose?
OUR ORIGINAL AWARD-WINNING ISOTONIC ENERGY GEL
Designed to deliver a quick and convenient supply of great-tasting, easily digestible carbohydrate without the need for water, our GO Energy Isotonic Gel was the world's first and the winner of the Queen's Award for Enterprise. It continues to be a go-to energy source for elite athletes worldwide.
WHY YOU SHOULD USE GO ENERGY ISOTONIC GEL
When you need fast energy, our world-leading GO Energy Isotonic Gel delivers easy-to-digest carbohydrate that can be used as part of your fuelling strategy without the liquid volume that often leaves you feeling bloated and sluggish. The gel also comes in highly practical packaging designed to be easily carried in place of bulky sports bottles.
THE SCIENCE BEHIND GO ISOTONIC ENERGY GEL
Our Performance Solutions team has developed our innovative GO Energy Isotonic Gel formula that enables the stomach to absorb it quickly and turn it into energy fast without the need for additional liquid to dilute it. This in turn enables the rapid replenishment of depleted glycogen stores.
HOW AND WHEN TO USE GO ENERGY ISOTONIC GEL
Each GO Energy Isotonic Gel sachet contains 22 grams of carbohydrate. Depending on your sport or event, you should aim to consume 1-3+ gels every hour to reach a 60g-90g target intake. In some circumstances, such as cold weather, it may be necessary to consume more. Tear off the top of the packaging and squeeze the contents into your mouth as and when required.
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.
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
Each GO Energy Isotonic Gel sachet contains 22 grams of carbohydrate. Depending on your sport or event, you should aim to consume 1-3+ gels every hour to reach a 60g-90g target intake. In some circumstances, such as cold weather, it may be necessary to consume more. Tear off the top of the packaging and squeeze the contents into your mouth as and when required.
For nutritional information about the individual flavours please contact customer service. Example below is for Orange flavour.
| Typical Values | Per 100ml | Per 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 | 0.01g | 0.01g |
Ingredients:
Water, Maltodextrin (from Maize) (33%), 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)
Flavours:
GO Isotonic Gel - Blackcurrant
GO Isotonic Gel - Apple
GO Isotonic Gel - Lemon & Lime
GO Isotonic Gel - Pink Grapefruit
GO Isotonic Gel - Cherry
GO Isotonic Gel - Orange
GO Isotonic Gel - Pineapple
GO Isotonic Gel - Tropical
GO Isotonic Gel - Vanilla
GO Isotonic Gel - Fruit Salad
What is a GO Energy Isotonic Gel?
GO Energy Isotonic Gel is a world renowned convenient isotonic fuelling supplement used by athletes worldwide to maintain optimum carbohydrate levels for increased performance.
What are GO Energy Isotonic Gels made of?
The carbohydrates in GO Energy Isotonic Gels come from maltodextrin (from maize) and provide 87 calories per 60ml sachet. They are stomach-friendly and contain natural flavourings with no artificial sweeteners.
How will GO Energy Isotonic Gel give me more energy?
GO Energy Isotonic Gel quickly delivers 22 grams of carbohydrate in a single serving to help you maintain optimum energy levels and hit the recommended intake of 60-90g per hour during endurance exercise.
How does Science in Sport GO Energy Isotonic Gel fit into my overall fuelling plan?
As an athlete of any sport or a specialised endurance athlete, our GO Energy Isotonic Gel can be used on its own to fulfil your fuelling requirements or combined with other products from our extensive range of energy supplements.
When should I consume GO Energy Isotonic Gels?
You should consume GO Energy Isotonic Gels one to three times per hour during endurance exercise to maximise carbohydrate utilisation rates. Alternatively, take one halfway through high intensity exercise (such as football or rugby) to rapidly replenish glycogen stores.
Is GO Energy Isotonic Gel isotonic?
Yes. In fact, SiS GO Energy Isotonic Gel was the world's first truly isotonic energy gel.
What makes GO Energy Isotonic Gel better than eating regular foods such as a banana, for example?
GO Energy Isotonic Gels are designed to be absorbed fast into your gut for fast energy, whereas some solid foods take longer to digest because they have more fat and fibre and can cause bloating and discomfort during exercise.
Should I add water to GO Energy Isotonic Gel?
No. GO Energy Isotonic Gel is designed as a convenient energy source that doesn't require additional water or fluid. Just simply squeeze the contents from the sachet directly into your mouth.
Does the Science in Sport GO Energy Isotonic Gel range use natural flavourings?
Yes. Our GO Energy Isotonic Gel range of carbohydrate supplements use only natural flavours and are free from colours and preservatives.
Will GO Energy Isotonic Gels fit in my cycle jersey pockets?
Yes! All GO Energy Isotonic Gels are lightweight, compact and designed to fit in jersey pockets, cycle bags and waist packs. What's more they're pressure-tested so you don't have to worry about them leaking or the packaging tearing or bursting during exercise.
Has Science in Sport GO Energy Isotonic Gel been tested for banned substances?
Absolutely. Like all of our sports supplements, GO Energy Isotonic Gel is tested under the Informed Sport programme and does not contain any banned substance. Informed Sport is a global quality assurance and supplement certification programme for sports supplements.
Top depuis plusieurs années
MICHEL MARCULEWICZ
07/11/2021
Best gel in the world
marco baratelli
24/09/2021
Great, 4 stars
Ramunas Stanevicius
18/09/2021
Very good product which I use from 2018 for my training and long distance race. Shipping fast.
RENZO CHELAZZI
04/09/2021
Solid gels, too big to fit in race belt for triathlons
customer
01/09/2021
Good taste.
Gianluca
30/08/2021
Brilliant
customer
26/07/2021
Tasty and easily taken when on the bike.
Mr Damian Farmer
13/06/2021
Love this product. Tastes refreshing and does the job.
Mr Harris
06/06/2021
Great tasting gel
Clive Edgar
02/06/2021
An excellent product that does exactly what it's designed for.
Nick Bentley
23/05/2021
comfortable to carry and consume while running and easy to digest
Janaka Narangoda
15/01/2021
Our favourite gels
LF
26/03/2020
Only one flavor. Would be better to choose 50/50
Guest
17/10/2018
I have never used gels before, I will definitely be using them in future. Easy to use, good tasting and they work.
Mr Reaney
06/09/2018
Great taste
Olly Smith
02/12/2021
Very good product. Always use SiS! Training for a 70.3 and they’re great!
Jack
25/11/2021
Ace product,yes a bit more expensive than others but guaranteed to do the job.
gordon davidson
21/09/2021
Perfect for a longer run. Light to carry, tasty and I can take them with or without water
Rich
12/09/2021
Good taste
Gianluca
30/08/2021
**********************************
Adam Langsbury
09/08/2021
Work for me!
Andy
22/07/2021
Great for the hard season ahead
Uche Nebuwa
04/05/2021
Tasty and easy to use
N Winter
03/05/2021
Sweet and gives a nice sugar kick
customer
12/01/2021
👍👍👍👍👍👍👍👍👍👍👍👍👍
Mr Beck
29/11/2020
All you need for a day's cycling.
Mike Birch
18/11/2020
Always enjoy SIS gels
Snaefellian
19/09/2020
My favorite gel while cycling, by far.
Simone Finotti
23/06/2020
Very tasty and great on the stomach
Customer
22/03/2020
The best tasting gel for me great texture and easy to use no gastro issues either
Tee Parker
11/03/2020
Firstly the price is perfect. The gel is easy to take and goes down without water. It's easy to take on race day. The flavour is not amazing but it's better than alot of gels and isn't bad enough for you to spit it out like other gels.
Ethan Pierce
11/02/2020
Great while cycling, easy to carry and can take on the move.
Mr Derek Perry
11/11/2021
Good choice of flavors. Easy to carry & open whilst running
Joanne
23/09/2021
Astonishing taste
Gianluca
30/08/2021
Energy gels great when on long rides
Anthony
14/08/2021
My goto energy gel from SIS. Thoroughly recommend.
Malcolm Elders
04/06/2021
Perfect with the best flavour gel i’ve found. 👌🏻
Dean Jacobs
28/05/2021
Nice flavour, can feel the difference once you've taken one, excellent product.
Matt
29/01/2021
First time ordering this flavour and not disappointed, same high quality that ypu get from all sis products and easy to digest with no problems at all
Don
17/12/2020
These are too good! So yum!
SB
11/12/2020
Effective
customer
29/11/2020
80s throwback flavor, pretty sharp I like em a lot. Especially in the last few miles where you are digging in hard.
Craig D
16/11/2020
Refreshing taste and easy on your stomach.
PPJ Flintshire
06/11/2020
The best flavour gel I have ever had. Actually unreal !!
Paddy
06/10/2020
Easy to use and digest.
Nick Maingay
17/11/2021
Great for run over 10K
Karl Shirley
17/11/2021
It's okay if it's a little more concentrated, so it's best if it's compact.
Shigeki Oritani
13/10/2021
Great gels, easy to digest and good taste
Julian Villar
29/09/2021
Nice taste and fast energy. You may add perforation for easier opening
silenus
13/09/2021
I’ve used this for a long time and always liked it. P.S.: The problem at this time was that they sent me a box the big one (30 units) which was about to expire, less than a month ( around 14 days to expire)
Romk
14/08/2021
Quality product just what I wanted for my long runs.
Mr Williams
07/08/2021
Very Good!
Michael
05/08/2021
Thanks what I ordered
Colin Kinnear
28/05/2021
Nice taste, effective, easy to use on bike.
customer
22/05/2021
Superb product
Paul Stilwell
16/05/2021
Always good, a staple for any activity.
Daniel Gilbey
16/04/2021
Good flavour. Easy on the digestion.
Nick Maingay
10/04/2021
I have used this product for many years, to great effect
Tom Hubbard
22/01/2021
Great taste and effect
customer
21/01/2021
Great value for money and a great tasting flavour 👍
John Reynolds
20/01/2021
Great taste.
Peter d.
10/01/2021
nice product
Paok
26/12/2020
Fine, seem to work for me
Kimmy
21/09/2020
Good quality product that keeps me going on longer rides
Greg Bartholomew
15/11/2021
A bit artificial tasting but work well.
Martin Clark
31/10/2021
Great service and product very fast delivery service too via eBay
Chris Robinson
21/10/2021
Only gels I use
Daniel Stuart Crow
04/10/2021
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
27/09/2021
No digestive issues, and good flavours
Ben Chapman
27/09/2021
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.
Cyril
25/09/2021
Excellent product and prompt delivery
Ian Budden
22/09/2021
The only gels I buy. They really give a boost in my opinion.
Johnboy 430
18/09/2021
Wish id started using these earlier. Good boost when you need it on a long ride.
C ROBERTS
18/09/2021
Great product. Does what is says it does on the tin.
Kane Dalton
11/09/2021
Great product 👍
John Round
07/08/2021
Totally Perfect
Karl
01/04/2020
Very good
Mick
28/03/2020
Excellent range of flavours and delivery was very prompt
Ian Stirling
20/03/2020
Good product at affordable price
Alvin Wang
16/03/2020
Great product! These are easy to get in & top you up with energy. One or two in a 3hrs ride is a must.
Wrighty
15/03/2020
Good quality and reasonably priced
Sg
18/09/2021
Good value. Quick delivery.
David Cooper
13/09/2021
Nothing has changed since the first time I bought this product. Only difference is I now buy the 30 pack rather than the 6. Great taste and easily digestible. Couldn't ask for more.
Anton Peterson
01/09/2021
Good gels.
Allan Rennie
31/08/2021
Great gels, easy on the stomach and work well on long runs and spins on the bike.
Dominic
25/07/2021
Excellent product, good taste, easy to consume
Gerry Weites
24/07/2021
Servizio e prodotti di altissimo livello
Massimiliano Calzavara
11/07/2021
Ottimo prodotto. Mi sono trovato molto bene sia in montagna sia in mtb. Digeribile non necessita di acqua.
Francesco Fenili
09/06/2021
Always find sis go isotonic a great help when flagging
Bill .S
04/06/2021
Nice taste
Adrian Hill
03/06/2021
Really good piece of kit I always carry on long rides
Keith Tanner
30/05/2021
Great product
Adam Langsbury
29/05/2021
Excellent service & really enjoying my gels
customer
29/05/2021
Good flavour. Gives the energy boost.
Claire D.
18/05/2021
My go to gel if I don’t need caffeine
Mr Miah
16/04/2021
Love these
Alexander Tran
12/04/2021
It’s just flavoured enough to be palatable. Find it’s good to use after exercise with recovery.
Mr Mills
09/04/2021
Nice taste and easy to use mid run
Jocelyn
20/02/2021
Not enough valid through time
성일 정
31/10/2021
Got these as the Apple flavour were on offer...great deal as part of a bigger order and more than happy to order again. Great product that works really well for me.
Joe
07/08/2021
Great product. I use these gels from 2 years now and I've never had a problem. Good flavour and good digestibility !
Lorenzo
17/03/2020
the taste is good, easy to open
Guest
30/10/2018
I miglior gel in commercio!
Kikko
16/10/2018
Not as nice as berry ones but still does the job!
Sarah
13/10/2018
Limited use but happy,I would try again
Wayne Burridge
11/10/2018
good gusto and good energy
Guest
01/10/2018
Lo alterno al GO Energy (con caffeina) durante gli allenamenti dai 15km di corsa in su. Molto digeribili
GG
01/10/2018
Super gels. Love to use them without water!
Harry
17/09/2018
Really easy to consume on the bike and keep you going, would have a 5 but I find them slightly hard to open on the move. Probably better than leaking into for best cycling jersey though.
Steven helm
27/05/2021
Great for on the bike
Adrian Watts
02/05/2021
great product
tony beesley
14/12/2020
Our favourite flavour.
Trevor
23/11/2020
Great Flavour, does what it needs and easy on the stomach.
Rob Tolley
05/10/2020
Great flavour and consistency. Easy to swallow
JeepNeil
04/10/2020
Delicious taste and easily digestible
David Major
20/09/2020
Gels taste really nice, pink grapefruit is my favorite flavour and look forward to using them on my next big ride.
Andy
03/08/2020
Great flavour , not to sweet , just right when out for a couple of hours
Bullybully
26/07/2020
I'm not a great fan of fresh grapefruit, but this is great - not too sweet and nice flavour
LC
29/12/2019
Perfect!!! Without Water!
Gianlu
01/11/2018
Great taste. My personal favorite one.
constantinos christodoulou
12/10/2018
Great value, personal preference flavour.
Guest
06/10/2018
My best flavour, need it during al rides
Gabriele Alessio
17/09/2018
Good flavour, easy to carry and consume on a ride as needed.
Russ Bowden
11/09/2018
Very helpful for my performance
Kim Taekyun
07/12/2021
Nice flavour , doesn't seem to cause any problems
Sam
24/09/2021
Lovely taste & work.
Carwyn James
29/08/2021
I went with orange ones, they taste OK for energy gels to be fair
Chris
14/07/2021
I havent received this delivery.
Mick Smith
15/09/2020
Handy pack for on the go
John McKinley
26/08/2020
Just keeps you going on those long rides when you don't want to stop for a break. Good energy boost before a hard climb too.
Ian D. Wright
23/08/2020
Only boughtvas were on offer. Taste is not the best but ok and does the job.
Craig Carter
13/08/2020
Did not get tropical flavour as ordered. Customer service was excellent in arranging and delivering different flavour. Did care much about the exact flavour, but was left very satisfied with customer service!
ingus rigass
23/07/2020
Easy to consume, gentle on the stomach, excellent.
Peter
04/06/2020
Always excellent value for long distance training and racing
Susan Watson
01/04/2020
excellent for cycling rides
Unai Balenciaga Gaztelurrutia
27/10/2018
I always use sis gels coz the work and sis deliver on time
rodger wibberley
16/07/2016
