
Reviewed by Alexandra Skakowska, SaversPrice Editorial Team
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Browse all 8 active coupons
In short: As of September 10, 2026, there are 8 Science in Sport offers (5 promo codes and 3 deals) on this page, and the top discount is 25% off.
The 8 best Science in Sport offers, ranked by what's working, as of September 10, 2026.
| Code | Discount | Science in Sport Offer | Expires |
|---|---|---|---|
| KIRSTENR10 | 10% OFF | 10% Discount w/Coupon Code on Your Order | Ongoing |
| TRC-20 | 20% OFF | 20% Off with Science In Sport Promo Code | Ongoing |
| JESSICAT10 | 10% OFF | Science In Sport Coupon Code: 10% Off | Ongoing |
| WHYLIE10 | 10% OFF | 10% Off Your Order | Ongoing |
| AMYH10 | 10% OFF | 10% Off Your Order | Ongoing |
| No code needed | £1 OFF | Redeem your points to save on your favourite products (100 points = £1 off) | Ongoing |
| No code needed | 10% OFF | Up to 10% off all products with membership pricing | Ongoing |
| No code needed | 25% OFF | Access to our subscription service with up to 25% off | Ongoing |
Sports nutrition is best compared per serving rather than per pack, because gel and powder sizes vary widely. Bundle and subscription pricing here reduces the per-serving cost more reliably than a percentage code.
Compare per serving — pack and gel sizes vary widely. The promo code field is at checkout with the order summary. Bundle and subscription pricing is applied to the listing rather than through a code.
Pack and gel sizes vary widely, so the per-pack price is not a fair comparison.
Multi-pack and recurring orders reduce the per-serving cost more reliably than a code.
Deeply discounted nutrition is frequently short-dated, which matters if you use it slowly.
Gels and drinks affect people differently, and race day is the wrong time to find out.
Science in Sport (SiS) is a UK sports-nutrition brand founded in 1992, known for endurance products — energy gels, hydration and recovery — trusted by runners, cyclists and triathletes.
We're currently tracking 8 live Science in Sport offers (5 promo codes and 3 deals). The top saving on offer today is 25% off. 5 codes you paste at checkout, the rest apply automatically.
Right now this page lists 5 promo codes and 3 deals, the largest being 25% off.
8
Total offers
5
Promo codes
3
Online deals
25% OFF
Top discount
Across this page we're listing 8 live Science in Sport offers — 5 promo codes and 3 deals. The largest active discount is 25% off, and the average percentage discount across all Science in Sport codes is around 14% off.
3 of the 8 Science in Sport offers on this page were read from Science in Sport's own site and carry a Verified badge. This page holds 5 codes you paste at checkout and 3 deals that apply without one, codes listed first.
Common questions about saving with Science in Sport promo codes
Endurance sports nutrition — energy gels, hydration tabs and recovery products used by pro and amateur athletes.
Yes — frequent discounts and bundle offers.
Buy multipacks/bundles, use promo codes, and subscribe to staples.
As of September 10, 2026, there are 8 Science in Sport offers available — 5 promo codes and 3 deals, with discounts up to 25% off. They are all listed above, codes first.
Per serving rather than per pack. Gel and powder sizes vary widely, so the headline pack price is not a fair comparison between products.
For anything you consume regularly, recurring orders reduce the per-serving cost in a way a one-off percentage code does not.
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