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Science in Sport

Science in Sport

Greatness from the inside out

Science in Sport has been a pioneer in sports nutrition since being founded in 1992.
SiS are proud to provide athletes with a range of products that may help them perform at their best.

When you commit so much time, energy and determination to being the best you can be, you want a sports nutrition partner that truly understands endurance sport – one that you can trust to provide the best products and expert guidance.

Science in Sport's expertise, combined with feedback from the elite athletes such as Sir Chris Hoy and Helen Jenkins, ensure SiS continue to innovate and improve their existing range of trusted endurance nutrition products. SiS passion means they products are truly trusted and recommended.

SiS tests products over and over again until they are right.  SiS do this to ensure they provide you with the right range of products with the best possible ingredients for your needs – so that you can focus on performing to the best of your ability.

That’s Science in Sport promise – the best science to deliver the best products and the best advice for your sports nutrition.

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  1. Science In Sport SiS Go Isotonic Gel Apple 60ml (Pack of 30)

    Science In Sport SiS Go Isotonic Gel Apple 60ml (Pack of 30)

    Fast energy gel - no need for water with great apple flavour
    Vegan Vegetarian
    Learn More
    £41.61

    Out of stock

  2. Science In Sport SiS GO Hydro - Cola + Caffeine Flavour 20 Tablets (Pack of 2)

    Science In Sport SiS GO Hydro - Cola + Caffeine Flavour 20 Tablets (Pack of 2)

    Hydration with a caffeine boost
    Vegan Vegetarian
    Dairy Free Lactose Free
    Learn More
    £19.17

    Out of stock

  3. Science In Sport SiS Go Hydro + Caffeine Cola Flavour 20 Tablets (Pack of 3)

    Science In Sport SiS Go Hydro + Caffeine Cola Flavour 20 Tablets (Pack of 3)

    Hydration with a caffeine boost
    Vegan Vegetarian
    Dairy Free Lactose Free
    Learn More
    £26.16

    Out of stock

  4. Science In Sport SiS Go Hydro + Caffeine Cola Flavour 20 Tablets (Pack of 4)

    Science In Sport SiS Go Hydro + Caffeine Cola Flavour 20 Tablets (Pack of 4)

    Hydration with a caffeine boost
    Vegan Vegetarian
    Dairy Free Lactose Free
    Learn More
    £33.15

    Out of stock

  5. Science In Sport SiS Go Hydro + Caffeine - Cola Flavour 20 Tablets (Pack of 6)

    Science In Sport SiS Go Hydro + Caffeine - Cola Flavour 20 Tablets (Pack of 6)

    Hydration with a caffeine boost
    Vegan Vegetarian
    Dairy Free Lactose Free
    Learn More
    £47.14

    Out of stock

  6. Science In Sport SiS Go Hydro + Caffeine - Cola Flavour 20 Tablets (Pack of 5)

    Science In Sport SiS Go Hydro + Caffeine - Cola Flavour 20 Tablets (Pack of 5)

    Hydration with a caffeine boost
    Vegan Vegetarian
    Dairy Free Lactose Free
    Learn More
    £40.15

    Out of stock

  7. Science In Sport SiS Go Hydro + Caffeine - Cola Flavour 20 Tablets (Pack of 7)

    Science In Sport SiS Go Hydro + Caffeine - Cola Flavour 20 Tablets (Pack of 7)

    Hydration with a caffeine boost
    Vegan Vegetarian
    Dairy Free Lactose Free
    Learn More
    £54.13

    Out of stock

  8. Science In Sport SiS Go Hydro + Caffeine - Cola Flavour 20 Tablets (Pack of 8)

    Science In Sport SiS Go Hydro + Caffeine - Cola Flavour 20 Tablets (Pack of 8)

    Hydration with a caffeine boost
    Vegan Vegetarian
    Dairy Free Lactose Free
    Learn More
    £61.12

    Out of stock

  9. Science In Sport SiS Go Electrolyte Lemon & Lime sachet 40g (Pack of 18)

    Science In Sport SiS Go Electrolyte Lemon & Lime sachet 40g (Pack of 18)

    Hydrating sports drink. Improves performance
    Vegan Vegetarian
    Dairy Free Lactose Free
    Learn More
    £28.61

    Out of stock

  10. Science In Sport SiS REGO Rapid Recovery sachet strawberry 50g (Pack of 18)

    Science In Sport SiS REGO Rapid Recovery sachet strawberry 50g (Pack of 18)

    Blend of protein, carbohydrate, electrolytes & minerals
    Vegetarian
    Learn More
    £38.54

    Out of stock

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