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SIS GO Plus Nitrates Energy Gel

SIS GO Plus Nitrates Energy Gel
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Price: £1.75
Manufacturer: Science In Sport (SiS)
Product Code: SIS053
This product hasn't been reviewed yet.

SIS GO Plus Nitrates Energy Gel

A new addition to the SIS GO Energy Gel range that has recently been tested by UK Olympic athletes and is the first sports gel to contain naturally occurring nitrates.

Top athletes have found that nitrates increase nitric oxide (NO) in your body which helps to deliver oxygen and nutrients more efficiently. This means you can sustain higher levels of power for longer before fatigue sets in – giving you extra power for those extra tough events.

Recommended Usage

You need to start taking 3 days before an event, 2 to 3 times a day for maximum effect.

Start consuming 3-6 days before your event with last gel up to 1 hour before the event, to enhance your body’s natural nitric oxide (NO) production. Consume two gels per day. Consume on its own, with or between meals or mix with fruit juice to taste. The product is intended to help meet the expenditure of intense muscular effort, especially for sports people.


Available in peach flavour only.

Nutritional Information

Nutritional information per 60ml Go Plus Nitrates Energy Gel sachet -

  • Energy - 34 kcal
  • Protein - 0.9g
  • Carbohydrate - 8.1g (3.9g sugars)
  • Fat - 0g
  • Fibre - 1.2g
  • Sodium - 0.1g
  • Dietary Nitrate 250mg
  • Folic Acid 200ug (100% RDA)


Water, Swiss Chard Juice Concentrate (15%), Maltodextrin (from Maize) (5.5%), Rhubarb Juice Concentrate (4%), Gelling Agents (Xanthan Gum, Gellan Gum), Acidity Regulator (Citric Acid, Sodium Citrate), Preservatives (Potassium Sorbate, Sodium Benzoate), Sweeteners (Acesulfame K, Sucralose), Flavouring, Folic Acid.

Press Reviews


The theory goes like this: the nitrates in the gel convert to nitrate oxide inside your body, which causes blood vessels to open, which in turn improves blood flow, which then means better oxygen supply gets to the muscles, which some sports science studies show can help you go faster, or further, or both.

The gel packaging recommends taking two gels per day for 3 to 6 days leading up to your ride. The SiS website recommends two to three gels for 3 to 5 days. So the advice is a bit inconsistent, but the overall idea is clear.

Does it work in practice? Based on a recent - and admittedly very unscientific - test, I'd say yes. I followed the packaging's recommended regime in the week leading up to a big sportive, and then during the sportive itself I went pretty well. (100 miles in less than 6 hours, thanks for asking.)

Of course it might not have been the SiS nitrate gels. It could have been the food I ate, the new chain on my bike, or any number of other things. But based on my experience, and if you're the type of rider always looking to gain an extra edge, I'd recommend giving SiS nitrate gels a try.

The main ingredient of these gels is chard (SiS call it Swiss chard; it's also known as spinach beet or silver beet, and is related to beetroot, although on this plant the leaf is the major source of nutrition rather than the root). There's also maltodextrin (from maize) and a bit of rhubarb juice, plus various sweeteners, preservatives and gelling agents.

There's also a lot of water, meaning GO Gel plus Nitrates is actually more like a drink than a gel, so it's a bit sloppy in the sachet, but that's not an issue as you're taking this gel at home or pre-ride, rather than actually consuming it on the bike.

This gel is available in only one flavour: peach. I couldn't detect the taste of this fruit but I did get a hint of rhubarb, which gives the gel a slightly bitter tang. It's not delicious but it's OK.

On cost, these gels retail at £1.90 each on the SiS website, or six for about £10, or 30 for £50. They're are also available at your local bike shop or sports store (and in some supermarkets). There are not many products from other manufacturers to compare this nitrate gel against in terms of price, although taking up to 15 of these babies before your big ride isn't going to be cheap - especially if you do a big ride every weekend. In reality, this might be something you'd use occasionally, before major events once per month for example, or a few times a year. But in the end, it's not really a case of cost. It's a case of do you need this kind of product? I'd say it's definitely not essential for the vast majority of riders who just enjoy being out on their bikes.

But if you're a rider always looking for an extra edge, I'd say it's worth a try. If you feel an improvement, stick with it. If you don't, then leave it.

Source: SIS GO Plus Nitrates Review, Road.cc, June 2013

Runners World

Winner of Best Nutrition Product in the 2013 Runner's World Personal Best Awards.

Source: Runner's World Magazine

Triathlon Plus

We’ve always been fans of SiS GO gels, the drinkable isotonic energy pouches. This new high-tech formula shares the same easygoing consistency and is designed to be a dietary supplement rather than an energy-delivery product (there are just 34kcal per portion).

Since researchers first found a clear link between consumption of nitrates and endurance performance a couple of years ago, a few companies have launched products aiming to satisfy the new market for this magic ingredient. Taste can be a problem, though, and unfortunately the GO+ suffers on that front.

We used it as instructed, taking the gels for four days before a big ride. The riding itself felt easier, though improved spring fitness could have been as much a factor as the nitrates. However, no matter how quickly we downed the gels, or mixed them with juice (as suggested), the difficult taste meant we would need a very special event to warrant taking these again.

Source: Triathlon Plus Magazine


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