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At Science in Sport they are dedicated to developing the best sports nutrition products to help endurance athletes perform at their best. Their range includes award winning gels, powders, bars and supplements, used by elite athletes around the world.
Concentrated carbohydrate energy in a convenient fast-flow gel, SiS GO Isotonic is the world's first and only isotonic energy gel with a unique patented formulation.
Please check the stock availability notice on your item when placing your order. This item is: Sold out.
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Please allow 10 working days from dispatch of your order before notifying us of any late deliveries.
It may be advisable to check with your neighbours to see if a parcel has been left with them, check any outhouses you might have where it may be left if it cannot fit through your letterbox and contact your local sorting office to see if the item has been returned to the depot as undelivered and awaiting collection.
Please see our returns policy.
SUPER to release energy without any stomach discomfortReport this review
What can you say when the international peloton use this product. they are the most quick and good taste gel. You do not need to have water, good to digest. Will buy again. SIS is quality for sureReport this review
Great product ! ...very easy to use, taste good, easy to swallow on the move and seem to do just the job. SIS gels are much better now they have increased the contents values, they now more than compete with the competitions equivalent, except far better value.Report this review
Very good light taste, ecellent for me! not stickyReport this review
As expected with probikekit, fast delivery and a great price. Excellent product from SIS which I use on my weekend rides to good effect. Thanks!Report this review
SIS Gels...: Pro quality, UK made, great to consume, very tasty! TIP: take 1 x gel approx 30mins-1hr before workout/race and then one every 1-2hrs depending on intensity/duration. I run for up to 2 hours and find 1 gel and some organic medjool dates (yum!) before workout means I don't get any noticeable energy drop.... just rehydrate afterwards!Report this review