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.
Next Working Day Delivery Information:
Weekdays: Orders placed before 6:30pm will be delivered the next day - including on Saturdays.
Weekends: Orders placed before 1pm will be delivered the next day - including Sundays.
Bank Holidays: Orders will not be delivered on Bank Holidays. Any orders placed on a Bank Holiday will not be collected from our warehouse until the next non-holiday day, for delivery the following day.
Please note that Next Day Delivery excludes these postcodes: AB31-56, BF (all), BT (all), FK17-21, GY (all), HS (all), IM (all), IV (all), KA (all), KW (all), PA20-80, PH (all), TR21-25, ZE (all)
Please see specific promotion Terms & Conditions for details BFPO Addresses We do ship to BFPO addresses (with Royal Mail) but for active combat zones there is a strict 2kg weight limit (as with all deliveries to BFPO addresses), so please take this into account when ordering. As a guide, with careful packaging we can just get away with a 1.6kg tub. All orders under this weight limit will be treated as standard UK orders. All orders over this weight will be priced incrementally according to their weight (£5 per 2kg increase). If you have any queries regarding a BFPO address, please contact our Customer Service Team who will be happy to assist with your order.
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
Learn more
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
Learn more
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
5/5
13 reviews
by Jason
22/08/2024
Best tasting gel on the market IMO.
Never had any problems using them
by Yvette Granger
16/08/2024
gives you the needed boost
by Stringerbean
16/05/2024
Easy to open whilst pedalling and store like the flavour
by N Mccoy
10/12/2023
Love SIS gels
by Customer
11/05/2023
use everyday and wouldn't change for anything
by Ethan G
30/10/2022
Excellent easy to digest carbs that provide quick and tasty energy on the bike.
by I Ahmed
18/10/2022
Tastes a bit mediciney, but that is fine. It does the job
by Nigel5225
04/10/2022
Good taste
by Derek Paterson
30/09/2022
Good product at a very good price. What’s not to like.
by Ethan G
23/09/2022
Very tasty and quick and easy carbohydrates to digest on the bike. They taste great providing me energy on the bike with no stomach discomfort.
by richard tongue
28/07/2020
Great taste and good boost on them hard efforts
by Nigel henman
26/07/2020
Great flavour ... my favourite 👍🏻
by Don
27/03/2020
Really easy to consume and digest and taste great too
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