5.0 out of 5 stars couldn’t run a marathon without them

s. · 14 May 2023

(function() { P.when('cr-A', 'ready').execute(function(A) { if(typeof A.toggleExpanderAriaLabel === 'function') { A.toggleExpanderAriaLabel('review_text_read_more', 'Read more of this review', 'Read less of this review'); } }); })(); .review-text-read-more-expander:focus-visible { outline: 2px solid #2162a1; outline-offset: 2px; border-radius: 5px; } Have used an abundance of different gels in my time running. Gu are for me up there in the best category. Great taste, not to sickly like some other brands, have used them consistently to get over the tough barriers during a race.

5.0 out of 5 stars An excellent energy gel with great consistency and flavours

B. · 19 June 2016

Switched to GU gels from High5 six months ago and prefer the GU consistency/flavours and I carry fewer of them. I use one every 45-60 minutes during a marathon and don't get the sticky residue on my hands and clothes that I got with lighter, sugary gels. The Vanilla Bean and also the Chocolate Outrage are two of my favourite tasting GU's but Lime, Strawberry and Salted Caramel also very pleasant. Great product.

5.0 out of 5 stars Yum, & they work.

B.H. · 27 June 2020

These are great. Previously used SIS which were a bit more watery and didn't 'last' as long. First tried them as were at the pit stops on the silverstone half marathon. The GU ones are quite thick, bit like piped icing going onto a cake. Taste great without being sickly, recommends around every 45mins so last longer than others do. Overall very pleased

5.0 out of 5 stars Just what I needed for the London Marathon!

H. · 16 April 2013

I tried out several different gels on my long runs and these are the most tasty and least gag-reflex-inducing that I tried. You need to have water straight away afterwards, or you will end up with a sticky mouth, but they are quick to take and effective.

4.0 out of 5 stars Tasty!

C.A. · 27 September 2013

I'm presently training for a marathon. I've used gels in most other events (the Mars bars they provide in Beachy Head were an exception) but very much dislike the taste and they don't seem to be totally acceptable to my digestive system I want a caffeinated product since I read somewhere once that this is supposed to help glucose uptake into my elderly muscles. A friend had let me taste her chocolate Gu gel and I was won over in an instant. I chose Vanilla thinking a blander flavour might suit a multiple gel event since I intend to take one every 5 miles. However, it's not really bland at all: think a really rich vanilla ice cream. Others have already pointed out the thickness but you have to squeeze many gels so that's not an issue. One disadvantage for me is that the shorter and therefore fatter shape makes fitting them into the elastic loops my existing belt a problem so I'll have to adapt it. The other issue is that Gu make most flavours with a shot of caffeine (Expresso has a double dose) but some without any at all and the descriptions on Bolo don't always make it explicit which are which. Check the Gu website for a definitive list before you order

5.0 out of 5 stars like trail marathons and half marathons

c. · 16 May 2016

Used them mainly for longer distances, like trail marathons and half marathons.Chose to give them a chance after reading that it's a favourite of top marathon runners and liked that they contain the 3 amino acids vital for muscles.The added Caffeine gives you a little boost, for those moments when you start loosing motivation.Taste if good as well, not causing any stomach upset. A bit thicker than the other gels I was used to.

5.0 out of 5 stars Super Gu

F. · 26 January 2013

This is the gooiest energy gel I've used. Almost like the consistency of bubble gum. Good value, and it does the job. Highly recommmended.

5.0 out of 5 stars Excellent product.

J.H.K. · 22 October 2013

Tastes good, easy to open, good consistency to consume on the run. Got me through a half marathon. Pretty good price.

Energizes me during long runs

R.J. · 22 October 2020

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Geschmack und Konsistenz super

A. · 21 September 2024

Für mich sind die Gels von GU einfach die besten. Super Geschmack und die dickflüssige Konsistenz mag ich einfach.

Energy When You Need It.

T. · 16 June 2025

I like to go on long bike rides. I've been using this GU gel packets for years and they definitely work. With all the different flavors they offer, I think Vanilla is one of the best. I use about one packet every hour when I'm out on a long ride and usually keep about 4 of them on me. If you are looking for something light to pack and keep you going when you're on a long run, ride, or just something light to keep you going, this is it.

En energigel som den ska vara!

A.F.H. · 29 June 2023

En utmärkt energigel! Det är rätt portion. Det smakar ganska bra. Den är tjock och det är en fördel gentemot de rinnande gelerna. Med de tunna flytande gelerna blir händerna ofta smutsiga och klibbiga när du öppnar förpackningen. Denna fara finns inte med de tjockare gelerna. Och du "späder ut" gelén själv genom att hålla den i munnen och sedan svälja den. Jag använder gelen när jag cyklar och för mig är den perfekt.

Different flavour would be nicer

C.A. · 7 April 2019

The flavour is hard to eat during a run for some reason.