Toggle Nav

Order within

for next day delivery

Search
My Cart

UP TO 40% OFF SELECTED ENERGY PRODUCTS

+ 2 FOR £10 HYDRO SINGLES & 2 FOR £60 8 PACK HYDROS

 


NEW TO SIS?

 


ENERGY UNLEASHED | NEW BETA FUEL RANGE

BEST SELLERS

  1. REGO Rapid Recovery - 1.6kg
    REGO Rapid Recovery - 1.6kg
    From £41.60
    Add to Compare
  2. GO Electrolyte - 1.6kg
    GO Electrolyte - 1.6kg
    From £20.80
    Save 20%
    From £26.00
    Add to Compare
  3. Vitamin D3 (Unflavoured)
    Vitamin D3 (Unflavoured)
    Save 40%
    Special Price £4.79 Was £7.99
    Add to Compare
  4. GO Energy Bakes - 12 Pack
    GO Energy Bakes - 12 Pack
    From £10.80
    Save 20% - 40%
    From £18.00
    Add to Compare
  5. WHEY20 - 12 Pack
    WHEY20 - 12 Pack
    From £26.00
    Add to Compare

 

JOIN OUR LOYALTY SCHEME

 

MAXIMUM HYDRATION, MAXIMUM PERFORMANCE

 

ATHLETE ADVICE

PROGRESSION IS OUR OBSESSION

WE BELIEVE THAT IF YOU DON’T OBSESS, YOU DON’T PROGRESS.

AT SCIENCE IN SPORT OUR OBSESSION IS TO PUSH THE BOUNDARIES OF SCIENCE SO THAT ATHLETES CAN PUSH THE BOUNDARIES OF PERFORMANCE.

LEARN MORE

Shop by sport

#FUELEDBYSCIENCE

The world's leading endurance sports nutrition brand.