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SiS

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  1. Sale
    GO Isotonic Energy Gel Box 20 x 60ml - SiS

    GO Isotonic Energy Gel Box 20 x 60ml - SiS

    Special Price €18.95 Regular Price €38.00
  2. Sale
    GO Isotonic Energy Gel Orange 30x60ml - SiS

    GO Isotonic Energy Gel Orange 30x60ml - SiS

    Special Price €34.95 Regular Price €58.00
  3. Sale
    GO Isotonic Energy Gel Lemon and Lime 30x60ml - SiS

    GO Isotonic Energy Gel Lemon and Lime 30x60ml - SiS

    Special Price €34.95 Regular Price €58.00
  4. Sale
    GO Energy + Caffeine Gel Double Espresso 30x60ml - SiS

    GO Energy + Caffeine Gel Double Espresso 30x60ml - SiS

    Special Price €56.45 Regular Price €75.00
  5. Sale
    GO Energy + Caffeine Gel Berry 30x60ml - SiS

    GO Energy + Caffeine Gel Berry 30x60ml - SiS

    Special Price €56.45 Regular Price €75.00
  6. GO Isotonic Energy Gel Box 7 x 60ml - SiS

    Special Price €11.95 Regular Price €17.50
  7. REGO Rapid Recovery Powder Strawberry 500g - SiS

    Special Price €16.95 Regular Price €25.00
  8. REGO Rapid Recovery Powder Chocolate 500g - SiS

    Special Price €16.95 Regular Price €25.00
  9. REGO Rapid Recovery Powder Vanilla 500g - SiS

    Special Price €16.95 Regular Price €25.00
  10. GO Hydro Pineapple and Mango 20 Tablets - SiS

    Special Price €7.45 Regular Price €9.50
  11. GO Hydro Berry 20 Tablets - SiS

    Special Price €7.45 Regular Price €9.50
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Science In Sport

Science in Sport is a leading company in endurance sport nutrition based in Nelson, United Kingdom. Sis produces sports supplements for professional athletes and sports enthusiasts for endurance sports such as cycling, running, gym, football and triathlon. SiS is used by the best professional athletes, including olimpyic champions.

The SiS core product assortment includes: SiS GO, created to provide energy for the best performances, which includes energy powders, isotonic gels, energy bars and shots; SiS REGO, including protein-based recovery powders; SiS Protein, products specifically designed to contribute to athletes’ lean muscle mass growth and maintenance; SiS Supplements, comprising BCAA Perform, Creatine, Beta Alanine and L Glutamine; SiS Athlete Health, vitamins and supplements range designed to support and maintain immune function, digestive health and bone health. Discover the whole range here!

Whether you are a professional athelete or an amateur, SiS supplement will help you to reach the top of your game.