Home
SHOP BY CATEGORY
Road cycling
Running
Swimming
Triathlon
Sunglasses
Sports Nutrition
SHOP BY BRAND
Shop By Brand
PARTNER STORES
Adidas Running Shoes
Cervelo Road Bikes
Oakley Sunglasses
Oakley Sunglasses
Zipp Speed Weaponry - Carbon Fibre Specialists
Cannondale Bikes
Wilier Bikes
Garmin for Cyclists
Assos Cycling
Orca Triathlon Wetsuits
Salomon Running Gear
Trek Bikes
Speedo Triathlon & Swiming Clothing
Huub Triathlon Wetsuits
spacer
Brand Stores  <<   SiS

SiS  

Science in Sport grew out of the desire to provide the best nutritional products and advice to athletes. The company mixes qualified sport scientists, food technologists, and a physician with keen athletes and sports people.		 SiS

Choose a Category
Energy Bars
Energy Bars
Energy Drinks
Energy Drinks
Energy Gels
Energy Gels
Hydration Drinks
Hydration Drinks
Recovery Drinks
Recovery Drinks
Single Sachets
Single Sachets
Starter Packs and Accessories
Starter Packs and Accessories
Training Supplements
Training Supplements

spacer
BASKET

Customer Login

View Basket & Checkout

Change Currency
SEARCH / BROWSE




Like Exact
FOLLOW US
Royles Triathlon Facebook Royles Twitter Royles YouTube Google+
Royles Triathlon Specialists
PROMOTIONS
Clearance Offers
PARTNERS

Harris and Ross
Royles is an Upfront Merchant on TheFind. Click for info.

Royles
Follow Us
Services
Questions
  • Visit Us
  • Opening Hours
  • Contact Us
  • The Team
  • Privacy Policy
    		•
  • Twitter
  • Facebook
  • YouTube
  • Newsletter Sign-up
    		•
  • Swimlab
  • Gaitlab
  • Trek Project One
  • Bike to Work
    		•
  • Delivery & Returns
  • Wetsuit Size Guide
  • 0% Cycle Finance
  • Terms & Conditions
    		•

    Copyright © Royles 2013
    Sage Pay
    Cybertill logo