I’m satisfied, usually I use this kind of your product
GO Isotonic Energy Gels Mixed
Easily digestible energy without the need for water
Learn More
All Science in Sport products are certified under the strict guidelines of the INFORMED Sport Programme. To achieve this, an independent organization (LGC Assure) with an accredited, independent laboratory that’s been testing for banned substances for over 20 years, rigorously tests our products to detect all compounds on the World Anti-doping Association Banned Substances list.
Informed Sport
Providing assurance for athletes, All INFORMED Sport certified Science in Sport products are rigorously tested, screening for all compounds on the WADA Banned Substances list.
How It's Tested
1. Product Review
2. Lab Tests (3+)
3. Batch Tests
4. Random Tests
Supplement Testing Labs
Driven by innovation and excellence, INFORMED Sport is the leading independent supplement testing provider, specialising in drug surveillance, doping control and supplement analysis.
FUEL YOUR PERFORMANCE
The GO Isotonic Energy Gel is formulated to rapidly delivers 22g of carbohydrate as a source of fast acting energy when you need it most.
FAST ENERGY
Easily digestible by the stomach providing energy fast
ISOTONIC FORMULA
No need for additional water
ON THE GO FUEL
Convenient form-factor for versatile fuelling
SINGLE SOURCE
A liquid carbohydrate energy gel created using maltodextrin
- Vitamin B1 & B2 contribute to carbohydrate conversion
- Vitamin B6 aids protein metabolism.
USED BY ELITES
A convenient and fast-acting source of liquid carbohydrate, best taken during intense exercise when energy is needed to maintain performance & prevent the onset of fatigue. The isotonic formula means the gel can be used as part of your fuelling strategy without the liquid volume that often leaves you feeling bloated and sluggish.
Officially the World's first Isotonic Energy Gel and Winner of the Queen’s Award for Enterprise in 2015. It continues to be a go-to energy source for elite athletes worldwide.
WHY CHOOSE?
- Used as part of your fuelling strategy, the GO Isotonic Energy Gel can help you maintain your pace for longer
- Isotonic formula means no need for additional water or fluids
- Easily & quickly absorbed by the stomach, providing energy fast
- No artificial flavours
SUGGESTED USE
Depending on your sport or event, you should aim to consume 1-3+ gels every hour to reach a 60g-90g target intake.
Tear off the top of the packaging and squeeze the contents into your mouth as and when required.
FORMULATED BY SCIENCE
Depleting your carbohydrate stores during exercise is one of the major causes of fatigue. Delivering additional carbohydrate during exercise is known to improve performance.
FUEL DURING EXERCISE
It is recommended to consume between 60-90g of carbohydrates per hour during exercise
SUPPORT THE SWEAT
Using GO Isotonic Energy Gels as part of your fuelling strategy can help you maintain your pace for longer, improve endurance and repeated sprint performance by maintaining blood glucose levels.
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. GO isotonic energy gel's formula that enables fast absorption in the stomach, allowing for fast energy uptake the stomach to absorb it quickly and turn it into energy fast without the need for additional dilution liquid to dilute it. This in turn enables the rapid replenishment of depleted glycogen stores.
The dreaded ‘wall’ is a feeling that all endurance athletes fear when approaching a big event or training session. This happens when your muscles have depleted its their available glycogen stores. Glycogen is the stored form of Glucose (sugar) and is your body’s main source of energy. Delivering additional carbohydrates during exercise is known to improve performance and delay the onset of fatigue. The GO Isotonic Energy Gel is designed to deliver this supply of carbohydrate, quickly and easily.
WHAT DOES ISOTONIC MEAN?
Isotonic formula allows the gel to empty from the stomach quickly and no fluid needs to be drawn into your stomach to dilute the gel
WHAT DOES ISOTONIC MEAN?
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. GO Isotonic Energy Gels are highly practical and can easily be carried without the requirement for bulky bottles.
Reviews
Reviews
by Georgi Topalov
14/09/2023
by Mark Cronin
16/08/2023
Great value boost
by Anon
07/08/2023
Great range of flavours
by Rob Steward
17/07/2023
Great product
by josh
03/04/2023
Great product with a great range of flavours keeps you pushing on in those late miles
by MIKE
02/04/2023
Was a great way to taste new flavours as they have discontinued the salted caramel gels
by JohnB
22/03/2023
I always like to carry an emergency gel. These ones hit the spot, easy to take, not too sticky and top up energy levels quickly.
by customer
25/12/2022
Good for me and my running activities
by Phill Holland
11/12/2022
It’s the free gift that didn’t arrive. Maybe it’s good, maybe it’s not. It’s certainly a mystery.
by Liam
30/11/2022
Really good gel, nice flavour and easy to digest. Definitely do the trick on the long runs to keep the legs turning over
by Trees
28/08/2022
Always useful when out on a long run, nice selection of flavours, for the price.
by JunglieJim
17/08/2022
Good products
by Alana King
11/08/2022
Superb, fast working
by Hayden Stewart
30/07/2022
Excellent product
by Phil Dunseath
23/05/2022
Good flavour
by Lee Hutchings
13/05/2022
Tasty and do the job
by LM
20/10/2021
Good product
by Karl
05/10/2021
Easy to use and great taste
by Simon Hoskins
24/09/2021
Good product but the mix pack there are some revolting flavours.
by Joe
24/09/2021
Perfect product and on offer, so even more perfect!
by Peter Cooper
11/11/2024
Great product
by Antonio Palmieri
23/09/2024
fantastici gel
by Luigi Ferrarese
19/09/2024
Prodotto ottimo
by Andrea Bernardi
16/08/2024
Prodotto non ancora arrivato
by ALFONSO Ravizza
29/07/2024
ottimo prodotto molto digeribile. Da consigliare.
by Rg
13/06/2024
Perfetto !
by Luigi Ferrarese
01/06/2024
Ottimo prodotto
by Simon White
28/05/2024
Great product.
by Antonio Palmieri
22/04/2024
Il mix di gel è ben curato nell'assortimento
by Alessio Panzeri
13/04/2024
Facilmente assimilabili e molto veloci
by andrea Dalle Luche
04/04/2024
Prodotto ottimo,
by aschieri simona
29/03/2024
Gel con quantitativo moderato di carboidrati, ben digeribili ed isotonici
by Marco
27/03/2024
gel ottimi in gara
by Rosario Capparelli
27/03/2024
Uno sprint dopo una 20na di minuti dall’assunzione durante la corsa
by Alberto
25/03/2024
Prodotto molto valido, prezzo medio alto
by Fabrizio
25/03/2024
ottimi per un apporto di 20 grammi di carbo
by Salvatore Di Bartolo
23/02/2024
Delicate and excellent taste
by Francesca
12/02/2024
Li ho regalati .....
by Daniele Rozza
10/02/2024
ottimi prodotti
by Sa Ra
12/12/2023
ottimo rapporto qualità prezzo
by Robert Duncan
04/10/2024
Easy to stomach and consistency lends itself well to running without drinks.
by john and thanks for your order
18/08/2024
Really easy to use on bike rides, highly recommend
by Mr Taylor J Wilson
07/08/2024
Good gels.
by Mark Bamber
17/07/2024
Never fail to hit spot
by Mason Meisuria
26/05/2024
Easy to use
by Ian Hardicker
01/04/2024
Easy to eat whilst riding, easily absorbed without the need for liquids. Great flavours and an almost instant benefit.
by Alex
16/03/2024
Great flavours
by Darren Skilton
04/12/2023
Niiiiiiice
by Becky Silver
14/11/2023
I really like these gels and have used them for runs from 5km to half marathons. All the flavours are terrific and none are too sweet and sickly.
by Chris
17/10/2023
Does what it says it will. Easy on the stomach.
by Tom
09/10/2023
Spot On
by John
04/10/2023
Great on a long day in the saddle. Easy to carry in pocket and digestible
by Lee
27/09/2023
I would give 5 stars for taste if the pack didn't include the Vanilla gel. I love all the fruit and citrus type flavours, but the Vanilla is just odd for me.
by Vraj Patel
17/07/2023
Expire soon
by Sonjia Crow
09/07/2023
Love these gels, great taste and easy to digest. Lightweight for running and simple to open
by Jason Gould
29/06/2023
In my opinion the best tasting gels on the market.
by Ian Budden
10/05/2023
Excellent
by Warren
05/05/2023
Great results.
by Hee Duck Moon
05/05/2023
It is a product that can produce the best performance during training.
by Mantas Kazlauskas
02/05/2023
I like it all ways use it
by Richard Mc Help
15/10/2024
prodotti di prima qualità. digeribili e molto buoni. li utilizzo da molti anni. sis è una garanzia
by Paolo Peinetti
07/10/2024
Ottimo consiglio
by Tiago Viana
26/09/2024
Great quality product and a great value
by Nigel
29/08/2024
Been using the gels for years. Better value using the subscription option.
by Andrew R - York
21/08/2024
This product never fails to give me a boost when I feel my cycling energy levels starting to drop and it's got me up some big Yorkshire hills with energy to spare at the top, if I remember to eat one 15 mins before the climb.
by Jeff Budden
11/08/2024
Love this product easy to digest never have any problems fantastic on Longer rides
by fabrizio
12/06/2024
Ottimo gusto e tanta energia.Molto digeribile.
by Andreas Maos
30/05/2024
Great variety of flavors
by stefano cappello
29/03/2024
Ottimi prodotti
by Valentina
23/03/2024
Comodo, pratico e indispensabile!
by Jackie Williams
13/03/2024
Gels taste great and are thick enough to run with once opened so they don't spill everywhere.
by Maggie
25/02/2024
Excellent for distance marathon training & events
by G R
12/02/2024
I started using gels on triathlons, and they have quickly become my go-to for energy when playing hockey.
by Gianluigi
30/01/2024
Buoni
by fausto sottopietra
14/12/2023
Anche qua prodotto super conosciuto
by Giorgio Corsini
14/12/2023
Cari ma efficaci
by Dexter
23/07/2023
Great for long runs
by Massimo Bianchi
04/07/2023
Ottimo come base, da integrare con altri prodotti più “strong” tipo quelli a base di caffeina.
by Dario Cananzi
20/05/2023
I gel isotonici SIS sono un ottimo ed efficace prodotto
by Taglieri Francesca
15/04/2023
ottimo prodotto
by Roberto Aprè
24/09/2024
Buoni, sono poco dolci ma molto leggeri
by Signora Tiziana Sporzon
12/06/2024
Ottimo prodotto
by Antonella
27/05/2024
Prodotto ottimo per il mio allenamento di corsa
by Salvatore Di Bartolo
24/05/2024
Ottimi, con i guanti invernali se non voglio rischiare di sporcarmi, mi tocca fermarmi per berla. Forse sarebbe meglio usare una confezione con il tappo.
by Adam Nelson
20/05/2024
Great stuff
by Andrea Benesso
25/04/2024
Sempre ottimi
by Tindaro Daniele Virgona
29/03/2024
Prodotto che si attesta tra i migliori per evitare eventuali problemi intestinali
by Michele
22/03/2024
Non provocano nessun disturbo di stomaco, piacevoli al gusto e efficaci
by Liam Fenton
22/03/2024
Good 😀😀😀
by LMF
04/03/2024
Tried the tropical and the lime … so far! Easier to consume than the extremely thick and very sweet ‘beta’ range! Didn’t feel it was sticking my mouth together - quite refreshing to be fair!
by albaz
16/02/2024
Performante e gustoso
by Francesco Rossi
06/02/2024
Ottimo prodotto. Da abituarsi alla consistenza
by Maurizio Sponton
01/02/2024
Prodotti molto performanti e di facile utilizzo, buone sensazioni con i vari gusti
by Fiorenzo
17/12/2023
Gel digeribili e molto buoni.
by Federico Gon
14/12/2023
Li uso da qualche anno e fanno sempre la differenza
by Andriy
10/12/2023
Good source of energy while riding the bike
by Alessandro
08/12/2023
Facile da assumere e ottima digeribilità
by Francesco Rossi
06/11/2023
Buoni come gusto. Densità da abituarsi
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