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At Science in Sport, we’re passionate about delivering world-class performance nutrition. We’re relentlessly researching the latest performance driven solutions, so that we can create products that will help you take your training to the next level.


When you live and breathe your sport, you want a nutrition partner that is as determined as you are. From energy gels to multivitamins, our products are at the forefront of product innovation. For the best available sports nutrition, shop the latest SiS product launches.

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13 Products

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Product Category
  1. Hydration (1)
  2. Energy (5)
  3. Recovery (7)
  4. Accessories (1)
Type of Product
  1. Bars (6)
  2. Bottles (1)
  3. Gels (3)
  4. Powders (4)
  5. Sachets (1)
Flavour
  1. Apple (1)
  2. Blackcurrant (1)
  3. Chocolate (2)
  4. Citrus (1)
  5. Cola (1)
  6. Cookies and Cream (3)
  7. Dark Chocolate Raspberry (3)
  8. Double Espresso (1)
  9. Lemon and Lime (2)
  10. Orange (3)
  11. Red Berry (1)
  12. Strawberry (2)
  13. Strawberry and Lime (2)
  14. Milk Chocolate Peanut Butter (3)
  15. White Choc Fudge (3)
Caffeine
  1. Caffeine Free (11)
  2. Contains Caffeine (1)
When to Take
  1. Pre-workout (0)
  2. Post-workout (0)
  3. Intra-workout (0)
Price
  1. Elite Running Bottle - 400ml
    Elite Running Bottle - 400ml
    Save 15%
    Special Price £5.53 Was £6.50
  2. Double REGO Rapid Recovery Powder
    Double REGO Rapid Recovery Powder
    £33.98 Was £39.98
    Save 15%
  3. Triple GO Electrolyte Bundle
    Triple GO Electrolyte Bundle
    £30.60 Was £36.00
    Save 15%
  4. Triple GO Isotonic + Caffeine Bundle
    Triple GO Isotonic + Caffeine Bundle
    £33.66 Was £39.60
    Save 15%
  5. Protein Bars
    Protein Bars
    4 Flavours
    Subscribe: Up to 25% off
    From £28.04 From £32.99
    Save 15%
  6. New Recovery Bundle
    New Recovery Bundle
    £45.03 Was £52.98
    Save 15%
  7. Protein Bar - Dark Chocolate Raspberry (12 pack)
    Protein Bar - Dark Chocolate Raspberry (12 pack)
    Subscribe: Up to 25% off
    Save 15%
    Special Price £28.04 Was £32.99
  8. Protein Bar - Cookies & Cream (12 pack)
    Protein Bar - Cookies & Cream (12 pack)
    Subscribe: Up to 25% off
    Save 15%
    Special Price £28.04 Was £32.99
  9. Protein Bar - Milk Chocolate Peanut Butter (12 pack)
    Protein Bar - Milk Chocolate Peanut Butter (12 pack)
    Subscribe: Up to 25% off
    Save 15%
    Special Price £28.04 Was £32.99
  10. Protein Bar - White Chocolate Fudge (12 pack)
    Protein Bar - White Chocolate Fudge (12 pack)
    Subscribe: Up to 25% off
    Save 15%
    Special Price £28.04 Was £32.99
  11. Beta Fuel 80
    Beta Fuel 80
    3 Flavours
    Subscribe: Up to 25% off
    From £35.06 From £41.25
    Save 15%
  12. Beta Fuel + Nootropics
    Beta Fuel + Nootropics
    3 Flavours
    Subscribe: Up to 25% off
    From £12.75 From £15.00
    Save 15%
  13. Beta Fuel Gel
    Beta Fuel Gel
    4 Flavours
    Subscribe: Up to 25% off
    From £11.73 From £13.80
    Save 15%
16 33 48 View All

13 Products

New In Products

 Maximise your performance

 

Whether you’re training for a competition, working to build strength, get leaner, or striving to reach a new personal best come race season, SiS products strike the right balance between scientific formulations and world-class knowledge. We’ll take care of your energy, hydration and recovery needs, so that you can focus on your performance. 

 

Trusted by athletes

 

Designed with endurance in mind, our expert team of sports nutritionists work alongside elite athletes to create tried and tested products. We’re trusted by professional and Olympic athletes in a wide range of sports, training across the world to achieve new records. 

 

Shop new in SiS products

 

If you’re looking to transform your training, you need a sports nutrition specialist that truly understands endurance sport. All of our products are Informed Sport certified, which means SiS products are quality assured and widely trusted throughout the sporting industry.

 

For the latest and most innovative performance nutrition, shop our range of new SiS products today. 

Premier Delivery Just £9.99 For A Year Of Next Day Delivery!