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At Science in Sport, we’re committed to research, testing, and certification. By working with the elite athlete community, we create performance-driven products that meet your nutritional needs and support your training goals. 

Our products are widely trusted across the globe, helping ambitious athletes from a wide range of disciplines to take their training to the next level. Through our world-leading and relentless research, we formulate products that will truly impact your performance.

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  2. Single 500ml bottle of SiS's orange flavoured GO Energy Isotonic Sports Drink, containing 60g of carbs & 350mg sodium
    GO Energy Isotonic Sports Drink Power your performance with 60g of carbohydrates
    From £29.99
    Member £26.99
  3. Science in Sport's BETA Fuel + Electrolyte Dual Source Energy Gel, available in raspberry & lemon flavour as a single sachet
    BETA Fuel + Electrolyte Gels Enhanced with Electrolytes
    From £14.99
    Member £13.49
  4. Energy Oat Bar
    Energy Oat Bar Dual-function carbohydrate and protein bar
    From £2.50
    Member £2.25
  5. HYDRO+
    HYDRO+ Electrolyte drink mix
    From £8.99
    Member £8.09
  8. GO Isotonic Energy Gels
    GO Isotonic Energy Gels The world's first isotonic energy gel
    From £10.50
    Member £9.45
  9. GO Energy + Electrolyte Gels
    GO Energy + Electrolyte Gels Formulated with key electrolytes
    From £13.50
    Member £11.99
  10. Hydro Tablets
    Hydro Tablets Optimum hydration in a convenient format
    From £8.00
    Member £7.20
  11. Single SiS Beta Fuel in Neutral flavour
    BETA Fuel Gels Optimised by a new 1:0.8 ratio of carbohydrates
    From £14.00
    Member £12.60
  12. GO Isotonic Energy Gels Mixed
    GO Isotonic Energy Gels Mixed The world's first isotonic energy gel
    From £15.00
    Member £13.50
  15. REGO Rapid Recovery
    REGO Rapid Recovery Complete recovery product
    From £20.00
    Member £18.00