SiS Performance Nitrate 6 Pack Gels

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With each gel delivering 20g of carbohydrate and 250mg of nitrates, the Science in Sport Performance Nitrate Gel pack is the best way to keep energised and to reduce the oxygen cost of exercise.

The SiS Nitrate Gels are packed full of carbohydrate and nitrate to give you the boost you need during an intense workout session, a ride, or a run. The gels taste great with naturally sweet, fruity flavourings. The nitrate content is also sourced from Rhubarb Juice Concentrate and Amaranthus Leaf Extract for an extra natural feel.

The gels carbohydrate content keeps you energised. Meanwhile, the nitrate content maintains elevated levels of blood nitrate levels and therefore reduces the oxygen cost of exercise.

Directions for Use
Consume 1-2 Performance Nitrate Gels 60-90 minutes into endurance exercise. To use the gels simply tear off the top of the packaging and consume – there is no need to mix with water.

Store in a cool, dry place out of direct sunlight. Food Supplements should not be used as a substitute for a balance diet.



  • 20g carbohydrate per gel
  • 250mg nitrates per gel
  • Nitrates sourced from Rhubarb Juice Concentrate and Amaranthus Leaf Extract
  • Use during exercise
  • Reduced oxygen cost of exercise
  • Improved exercise efficiency
  • Informed Sport Tested
More Information
Model Number SiS-Nitrate-6Pack
Brand SiS
Season Autumn 2020, Winter 2020
Nutrition Type Gel

UK Delivery

Standard Delivery:  3 - 5 Working Days From £2.95

Next Working Day Delivery:  £6.95

Saturday Delivery:  £12.95

Sunday Delivery:  £13.95


Northern Ireland Delivery:

Currently experiencing some delays to all services


International Delivery

Prices & Delivery estimates are provided as a guide, and for more information please view our delivery information page

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