Science In Sport

Science In Sport

Science in Sport are an innovative British company producing sports nutrition products designed for those undergoing rigorous athletic training.

Born out of passion in 1992, Science in Sport have now gained the credibility through their brand’s authenticity being recognised as the world leader in sports nutrition. SiS evokes the desire of performance excellence, focussing on the needs of athletes, where a fraction of a second can stand between success and failure and one performance can change the world, each of our products have a core function to energise, hydrate, recover and enhance Sports men & women.

We stock the full range of SIS products including GO Isotonic Energy Gels, GO Electrolyte, GO Energy and Rego Recovery Protein drinks and bars. New SIS Gift Packs now in Stock!

 

Science in Sport Go Isotonic Energy Gel

Science in Sport, leaders in sports nutrition, introduce the world’s first isotonic energy gel.

Go Energy Plus Caffeine Gels - SAVE 10%

Go Energy Plus Caffeine Gel, based on Go Gel technology supercharged with Caffeine - Double Espresso flavour with 150mg caffeine now in stock . .

Science in Sport Go Electrolyte

From Science in Sport, GO has essential electrolytes for rapid rehydration...

Science in Sport Go Bars (Now 20% off RRP)

GO BAR is a nutritious high energy snack bar ideal for athletes and active people.

Science in Sport Go Energy

Science In Sport's Go Energy is the complex carbohydrate energy fuel for high-energy performance.

Science in Sport Go Hydro (Now 33% off RRP!)

Science in Sport Go Hydro is a new super hydration drink with virtually no calories...

SiS Drinks Bottles

Science in Sport are an innovative British company producing sports nutrition products ...

SIS Intro-Pack Bottle 600ml (Now 20% off RRP!)

What's the secret to training harder, racing faster and recovering quicker?

Science in Sport Protein Bar (Now 20% off RRP)

The Rego Protein Bar is a tasty, convenient and different way to consume 20g of protein...

Science in Sport Rego Rapid Recovery

Science In Sport - REGO TOTAL RECOVERY - Science In Sport

Science in Sport Immune Tabs

Designed to help maintain and support immune function during and after sport...

Science in Sport Overnight Protein

When you are in periods of increased training, Rest, repair and recover with Overnight Protein, the night time drink for athletes and active people.

SIS Endurance Pack SAVE 25%

The easy way to experience advanced sports nutrition...

SIS Go Energy + Electrolyte Gels - SAVE 10%

The new Science in Sport Go energy gel with added electrolytes has been designed to help you maintain performance during...

Science in Sport Whey Protein

Science in Sport Whey Protein high qualtity whey protein...

SIS Gel Marathon Belt - Discontinued - Click for Alternative

Science in Sport are an innovative British company producing sports nutrition products . . .

SIS GO Caffeine Shot 60ml

Caffeinated shots with 150mg caffeine to provide a mental and physical boost with added Vitamin B to...

SIS Running & Cycling - Nutrition Kit Gift Packs

New from Science in Sport are these two great Nutrition Kits, that would also make a fantastic gift for any runner or Cyclist..

FREE DELIVERY*

*All orders are now free postage (Mainland UK & Northern Ireland Only.  Please contact us for charges to other areas, overseas quotes welcome but cannot be processed on this site, please email us (onlinesales@harris-active.co.uk) with your order.

Delivery Schedule: We will normally dispatch your order the same day. So you will normally receive your order within 3 business days. International orders are generally received in under 14 days.

If you need information or help with your order please call our sales team on 01268 491036
(office hours Mon - Friday) or send us an email.