Welcome to Science in Sport


Science in Sport are the world leaders in sports nutrition, supplying olympians and athletes for over 25 years.
We believe that your body is the most sophisticated piece of sports equipment you will ever own and if you put high quality nutrition in, you will perform at your best.

Our range of products is researched & developed by sport scientists and world class athletes which means everything we do, and every personal best you achieve with us is #fuelledbyscience

Our products fall into 4 Need States:
Energy, Hydration, RecoveryRebuild

Use your £5 voucher on any product, including the below deals... Plus spend over £10 and you'll receive free shipping!

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  1. Endurance Hydration Bundle Pack - 4 x SiS GO Hydro 20 tabs
    SiS Hydro & Immune Bundle
    50% Off
    Was £28.00 £14.00
    20 Reviews
  2. REGO Bundle
    SiS REGO Recovery Bundle
    50% Off
    Was £82.00 £41.00
    20 Reviews
  3. SiS GO Mixed Gel Bundle - Multipack Energy Gels
    Mixed Gel Bundle
    50% Off
    Was £14.00 Special Price £7.00
    20 Reviews
  4. SiS GO Energy Bar Bundle
    SIS GO Energy Bar Bundle
    45% Off
    Was £11.00 Special Price £6.00
    9 Reviews
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7 Items

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