SiS (Science in Sport) discount codes

SiS (Science in Sport) Discount Codes

11 hot deals

All SiS (Science in Sport) Voucher & Promo Codes for July 2018

-10%10% discount off Your Next Order @ SiS

Conditions:Some exclusions apply.

Get code & visit site
% off
% offFree Bundle at SiS

Minimum spend:£10

Conditions:Valid only while supplies last. Some exclusions apply.

Get code & visit site
More Info
More Info Any 6 pack of Go isotonic energy gels FREE - premier delivery or £3.99 @ SiS
Add any 6 pack of Go isotonic gels to your basket, can be any flavour of your choice. In the basket simply enter the promo code to get your 100% off discount. If you have a premier… Read more

Thanks too OP, didn't come through on my keyword feed for some reason but still working :D


Just ordered, thanks OP. Bit of an extra encouragement to get back on the training (y)


Works for me. Thanks OP


Thanks op. Already had Premier delivery from another offer, so free for me. Plenty of stock for my forthcoming rides.


Great, thanks for posting. Free for me... finally used my premier account for free postage :D

79% off
79% off Save 79% with SiS.
Save 79% and get £45.80 of product + unlimited next day delivery for a year for only £9.99! > Follow the link and add the bundle to basket > Add SiS Premier to basket (£9.99… Read more

Me being silly. Added 2 of the gel packs to the basket


Struggling to get this to work, I have tried on a phone & laptop but it's showing as £48.79 the code doesn't seem to be doing anything. Am I being stupid or is the code finished ?


Brilliant, thank you XD


Plus you get £1.45 of reward points off your next purchase.


Awesome :) (y) 🏻

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£5 off
£5 off £5 off at the science in sport website

Yes just the postage to pay. For what it's worth its yodel delivery service which was next day


no minimum spend, but postage is £3.99


Morning Jonny501123, thanks for posting, do you know if there are any terms & conditions with using the code & what the expiry date is? Thanks again


is there any min spend?

40% off
40% off 40% off all orders using voucher code @ Science In Sport

Although it *shouldnt* work with a little checkout jiggling you can get both the 40% and other offers to work together, such as 2 for 1. Just used: 40% off SiS - £12.12 241 - 500g Electrolyte/Energy - £9.89 (BOGOF) Free Shipping Over £25.00 - £0.00


Thank you, just got stuff I want even cheaper :p. TopCashback is currently offering 18.9%, but only if you lucky, as they may invalidate cashback due to use of above code :|


Good find - thanks OP. This stuff really works and tastes great.


This is a great deal. It also seemed to take another £2 off at checkout for something? I got 10 x packs of the £4.99 variety pack 70 quality gels for £29.90 = just over 40p each Also, 8% quidco is available. Thanks OP :)


i bought 9 boxes.. of the 4.99£ SiS GO Isotonic Energy Gel Single Apple SiS GO Isotonic Energy Gel Single Lemon & Lime SiS GO Isotonic Energy Gel Single Orange SiS GO Isotonic Energy Gel Single Blackcurrant SiS GO Isotonic Energy Gel Single Tropical SiS GO Isotonic Energy Gel Single Pineapple SiS GO Isotonic Energy Gel Single Pink Grapefruit so thats 63 gels intotal for just shy off 27£.. Bargin

Newest SiS (Science in Sport) Discount Codes:

DiscountDiscount DetailsExpires
10%10% discount off Your Next Order @ SiS20/09/2018
Free BundleFree Bundle at SiS20/09/2018
% offAny 6 pack of Go isotonic energy gels FREE - premier delivery or £3.99 @ SiS6/05/2018
79%Save 79% with SiS.30/03/2018
10%Science in Sports - Extra 10% off ends midnight6/12/2016