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Try PILLAR for 7 Days
Try PILLAR for 7 Days
Special Offer
£10.00 £19.70
Rawvelo Taster Pack
Rawvelo Taster Pack
Try 1 Hydration Drink & 1 Energy Gel
£2.00 £3.98
Solid C 160 Taster Pack
Solid C 160 Taster Pack
Get 3 bars for £6
£6.00 £7.50
Zooki Magnesium Taster Pack
Zooki Magnesium Taster Pack
200mg magnesium per sachet
£2.00 £5.00
GU Stroopwafel Taster Pack
GU Stroopwafel Taster Pack
Get 3 coconut stroopwafels for £4
£4.00 £7.50
Ginger Roars Taster Pack
Ginger Roars Taster Pack
Ginger chews with 33mg caffeine
£2.00 £4.70
Fourfive Hydro Plus Taster Pack
Fourfive Hydro Plus Taster Pack
Essential electrolytes & vitamins
£6.00 £10.00
TRIHARD Taster Pack
TRIHARD Taster Pack
Be the first to try TRIHARD
£5.00
Victus Taster Pack
Victus Taster Pack
Try 3 sachets for £4
£4.00 £8.75
Hammer Gel Taster Pack
Hammer Gel Taster Pack
Short Date; 3 Gels for £4
£4.00 £5.55
Sticker Pack
Sticker Pack
Get 3 stickers for £1
£1.00 £3.00
PILLAR Ultra Immune C Pack
PILLAR Ultra Immune C Pack
High impact immunity formulation
£3.00 £5.85
Triple Magnesium Taster Pack
Triple Magnesium Taster Pack
Improve your sleep in 5 days!
£5.00 £9.75
Precision Fuel Taster Pack
Precision Fuel Taster Pack
Exclusive Offer: Try Precision Fuel's Electrolyte & Carb Drinks
£2.00
Active Root Taster Pack
Active Root Taster Pack
Try 1 Sports Drink, 1 Electrolite & 1 Energy Gel
£3.00 £4.65

GU Energy Gel Flask (160ml)

Visit the GU store
£16.00

The GU Energy Gel Flask is an essential companion for endurance athletes, built to help you fuel efficiently and effectively during long-distance activities like running, cycling, and triathlons. This compact flask is designed to carry five servings of GU Energy Gel, making it easy to stay energized without the hassle of multiple gel packets. Clear measurement markings along the back of the flask allow you to track exactly how much gel remains, so you can plan your fueling strategy with precision as you move through each stage of your race or workout.

Key Benefits of the GU Energy Gel Flask

  • Holds five servings of GU Energy Gel, ideal for long-distance activities
  • Measurement markings provide easy monitoring of gel levels
  • Soft and flexible design ensures no gel goes to waste
  • High-flow nozzle for easy, mess-free consumption on the go
  • Reusable and eco-friendly design reduces single-use packaging waste
  • Compatible with GU’s 15-serving pouches for convenient refills
  • Compact and ergonomic, fitting easily into hydration belts and vests
Select Type: 160ml
Availability: Translation missing: en.general.icons.icon_check_circle icon Only 1 left!

The GU Energy Gel Flask is an essential companion for endurance athletes, built to help you fuel efficiently and effectively during long-distance activities like running, cycling, and triathlons. This compact flask is designed to carry five servings of GU Energy Gel, making it easy to stay energized without the hassle of multiple gel packets. Clear measurement markings along the back of the flask allow you to track exactly how much gel remains, so you can plan your fueling strategy with precision as you move through each stage of your race or workout.

Key Benefits of the GU Energy Gel Flask

  • Holds five servings of GU Energy Gel, ideal for long-distance activities
  • Measurement markings provide easy monitoring of gel levels
  • Soft and flexible design ensures no gel goes to waste
  • High-flow nozzle for easy, mess-free consumption on the go
  • Reusable and eco-friendly design reduces single-use packaging waste
  • Compatible with GU’s 15-serving pouches for convenient refills
  • Compact and ergonomic, fitting easily into hydration belts and vests
Delivery / Returns FREE UK Delivery orders over £30,00, Next Day Service + FREE UK Returns

Shipping Information - Details

UK Standard Delivery - This means that your goods will be processed as normal and shipped by Royal Mail 48. Ordered goods will usually arrive within 3 - 5 working days for most of the UK mainland. Baskets with a total value (before vouchers and promotional codes are applied) of £30.00 and over will qualify for FREE UK delivery.

UK FREE Delivery - to all of the UK on almost every product, as long as your total basket value is greater than £30.00 (delivery charges are applied to baskets with a total value of less than £30.00). - All FREE Delivery order will be sent via (UK) STANDARD SHIPPING (Royal Mail 48)

Need it Quicker? - Select DPD Next Working Day or Fast Delivery at checkout - Orders will be processed as normal and shipped by either DPD for Next Working Day service (excluding weekends) or the Royal Mail Tracked 24 service, ordered goods will usually arrive within (1 - 2 working days)

RETURNS & REFUNDS - Details

Return this item for free - If you change your mind on your purchase, you have a 30 days to return it for a refund or replacement subject to terms. All goods must be in new and unused condition and in their original packaging with all labels still attached

About GU Energy

GU for it with the world’s very first energy gel. Their unique formula of simple and complex carbohydrates, BCAAs and sodium used in all of their nutrition, allows faster absorption and reduces stomach distress. Nowadays, their unparalleled range of products and flavours have made GU the most popular energy nutrition brand on the market.