Triathlon Nutrition & Hydration

Keep energy levels up with isotonic gels, energy bars and jellies and stay hydrated with our great range of sports drinks (as well as good old-fashioned H2O!). Everything in here can be used at home while you train and is conventionally sized for during your race too.
199 items
SCIENCE IN SPORT GO ISOTONIC ENERGY GELS - 7 x 60ml
SCIENCE IN SPORT GO ISOTONIC ENERGY GELS - 7 x 60ml
Rate: 4.9 stars, 9 votes
In stock for delivery
£7.89
HIGH5 ZERO Tablets Berry 20 Tabs
HIGH5 ZERO Tablets Berry 20 Tabs
Rate: 5.0 stars, 2 votes
In stock for delivery
£4.49
New lower price
DECATHLON ENERGY GEL SHORT-DISTANCE 14X32 G - RASPBERRY
DECATHLON ENERGY GEL SHORT-DISTANCE 14X32 G - RASPBERRY
Rate: 4.7 stars, 500 votes
In stock for delivery
£12.99
£29.00/kg
HIGH5 ZERO Tablets Tropical 20 Tabs
HIGH5 ZERO Tablets Tropical 20 Tabs
Rate: 4.5 stars, 2 votes
In stock for delivery
£4.99
MYPROTEIN Metal Shaker
MYPROTEIN Metal Shaker
Rate: 5.0 stars, 1 votes
In stock for delivery
£10.99
DECATHLON Mixed energy bars with dates - 10 bars
DECATHLON Mixed energy bars with dates - 10 bars
Rate: 4.6 stars, 130 votes
In stock for delivery
£8.49
£25.73/kg
HIGH5 ZERO Tablets Citrus 20 Tabs
HIGH5 ZERO Tablets Citrus 20 Tabs
Rate: 5.0 stars, 2 votes
In stock for delivery
£4.99
DECATHLON ECOSIZE LONG DISTANCE ENERGY GEL LEMON 14X32GR
DECATHLON ECOSIZE LONG DISTANCE ENERGY GEL LEMON 14X32GR
Rate: 4.6 stars, 622 votes
In stock for delivery
£12.99
£29.00/kg
SCIENCE IN SPORT Hydro + Caffeine Cola Tablets - 20
SCIENCE IN SPORT Hydro + Caffeine Cola Tablets - 20
Rate: 5.0 stars, 2 votes
In stock for delivery
£6.99
DECATHLON Pack of energy gels 7 x 32g
DECATHLON Pack of energy gels 7 x 32g
Rate: 4.5 stars, 1290 votes
2 flavors
In stock for delivery
£7.99
£35.67/kg
DECATHLON Nougat Energy Bars 12x25g
DECATHLON Nougat Energy Bars 12x25g
Rate: 4.7 stars, 416 votes
In stock for delivery
£7.99
£26.64/kg
DOMYOS Mini Shaker 300 ml - Blue
DOMYOS Mini Shaker 300 ml - Blue
Rate: 4.2 stars, 742 votes
In stock for delivery
£5.99
DECATHLON Iso Isotonic Drink Powder 2kg - Mixed Berries
DECATHLON Iso Isotonic Drink Powder 2kg - Mixed Berries
Rate: 4.6 stars, 1019 votes
3 flavors
In stock for delivery
£19.99
£10.00/kg
DECATHLON Iso Isotonic Drink Powder 2 kg - Orange
DECATHLON Iso Isotonic Drink Powder 2 kg - Orange
Rate: 4.6 stars, 1019 votes
3 flavors
In stock for delivery
£19.99
£10.00/kg
Sale
TRIBAN 650 ml M Cycling Water Bottle SoftFlow - Black
TRIBAN 650 ml M Cycling Water Bottle SoftFlow - Black
Rate: 4.4 stars, 2360 votes
6 colours
In stock for delivery
£4.99£5.49
DOMYOS Maxi Shaker 700 ml - Black
DOMYOS Maxi Shaker 700 ml - Black
Rate: 4.0 stars, 382 votes
In stock for delivery
£9.99
DECATHLON POWDERED MIX FOR HIGH PROTEIN CHOCOLATE SPORTS RECOVERY DRINK 1,5KG
DECATHLON POWDERED MIX FOR HIGH PROTEIN CHOCOLATE SPORTS RECOVERY DRINK 1,5KG
Rate: 4.7 stars, 408 votes
In stock for delivery
£24.99
£16.66/kg
DECATHLON ENERGY FRUIT JELLY ECOSIZE STRAWBERRY CRANBERRY ACEROLA 12x25G
DECATHLON ENERGY FRUIT JELLY ECOSIZE STRAWBERRY CRANBERRY ACEROLA 12x25G
Rate: 4.7 stars, 1259 votes
2 flavors
In stock for delivery
£7.99
£26.64/kg
HIGH5 ZERO Caffeine Hit Berry 20 Tabs
HIGH5 ZERO Caffeine Hit Berry 20 Tabs
Rate: 5.0 stars, 3 votes
In stock for delivery
£4.49
DECATHLON CHOCOLATE-COATED CEREAL MIX BARS x15
DECATHLON CHOCOLATE-COATED CEREAL MIX BARS x15
Rate: 4.7 stars, 411 votes
In stock for delivery
£6.99
£15.54/kg
ISOSTAR HYDRATE&PERFORM Isotonic Drink Powder 560g - lemon
ISOSTAR HYDRATE&PERFORM Isotonic Drink Powder 560g - lemon
Rate: 4.7 stars, 622 votes
In stock for delivery
£9.99
£17.84/kg
DECATHLON Date and mixed berry energy bars 10x35 gr
DECATHLON Date and mixed berry energy bars 10x35 gr
Rate: 4.6 stars, 782 votes
2 flavors
In stock for delivery
£8.99
£25.69/kg
TRIBAN 950 ml Cycling Water Bottle SoftFlow - Black
TRIBAN 950 ml Cycling Water Bottle SoftFlow - Black
Rate: 4.3 stars, 273 votes
In stock for delivery
£6.99
DECATHLON ISO Isotonic Drink Powder 2Kg - lemon
DECATHLON ISO Isotonic Drink Powder 2Kg - lemon
Rate: 4.6 stars, 1019 votes
3 flavors
In stock for delivery
£19.99
£10.00/kg
DOMYOS Classic Shaker 500 ml - Black
DOMYOS Classic Shaker 500 ml - Black
Rate: 4.1 stars, 1044 votes
In stock for delivery
£7.99
DECATHLON POWDERED MIX FOR HIGH PROTEIN SPORTS RECOVERY DRINK 512G
DECATHLON POWDERED MIX FOR HIGH PROTEIN SPORTS RECOVERY DRINK 512G
Rate: 4.6 stars, 265 votes
In stock for delivery
£12.99
£25.38/kg
DECATHLON ENERGY FRUIT JELLIES PEAR 5X25G
DECATHLON ENERGY FRUIT JELLIES PEAR 5X25G
Rate: 4.7 stars, 2219 votes
4 flavors
In stock for delivery
£3.99
£31.92/kg
DECATHLON 550 ml Cycling Water Bottle Essential - White
DECATHLON 550 ml Cycling Water Bottle Essential - White
Rate: 4.4 stars, 918 votes
In stock for delivery
£2.99
New lower price
DECATHLON GLUTEN-FREE BAR - SEEDS & ALMONDS
DECATHLON GLUTEN-FREE BAR - SEEDS & ALMONDS
Rate: 4.6 stars, 177 votes
In stock for delivery
£4.99
£55.45/kg
DECATHLON Iso+ Isotonic Drink Powder 2 kg - Orange
DECATHLON Iso+ Isotonic Drink Powder 2 kg - Orange
Rate: 4.4 stars, 1294 votes
3 flavors
In stock for delivery
£24.99
£12.50/kg
DECATHLON ISO Isotonic Drink Powder 650g - Lemon
DECATHLON ISO Isotonic Drink Powder 650g - Lemon
Rate: 4.5 stars, 1727 votes
4 flavors
In stock for delivery
£8.99
£13.84/kg
New lower price
DECATHLON Sport Flask 960 ml - Black
DECATHLON Sport Flask 960 ml - Black
Rate: 4.4 stars, 26 votes
In stock for delivery
£5.99
Was £6.49
DECATHLON ENERGY FRUIT JELLIES STRAWBERRY CRANBERRY ACEROLA 100X25G
DECATHLON ENERGY FRUIT JELLIES STRAWBERRY CRANBERRY ACEROLA 100X25G
Rate: 4.7 stars, 44 votes
In stock for delivery
£54.99
£22.00/kg
DECATHLON ENERGY FRUIT JELLIES BLACKCURRANT APPLE ACEROLA 5X25G
DECATHLON ENERGY FRUIT JELLIES BLACKCURRANT APPLE ACEROLA 5X25G
Rate: 4.7 stars, 2219 votes
4 flavors
In stock for delivery
£4.99
£39.92/kg
DECATHLON COATED CEREAL BAR X6 - CHOCOLATE BANANA
DECATHLON COATED CEREAL BAR X6 - CHOCOLATE BANANA
Rate: 4.7 stars, 540 votes
In stock for delivery
£3.99
£16.63/kg
DOMYOS First Shaker 600 ml - Clear
DOMYOS First Shaker 600 ml - Clear
Rate: 4.5 stars, 421 votes
In stock for delivery
£5.99
CORENGTH Stacker Funnel - Funnel Storage Compartment
CORENGTH Stacker Funnel - Funnel Storage Compartment
Rate: 4.7 stars, 47 votes
In stock for delivery
£3.99
DECATHLON ENERGY GEL 4X32 G - SALTED CARAMEL
DECATHLON ENERGY GEL 4X32 G - SALTED CARAMEL
Rate: 4.6 stars, 1398 votes
3 flavors
In stock for delivery
£4.49
£35.08/kg
FOR GOODNESS SHAKES Hydro Tablets
FOR GOODNESS SHAKES Hydro Tablets
Rate: 4.8 stars, 10 votes
In stock for delivery
£5.99
TRIBAN 650 ml Cycling Water Bottle SoftFlow M - Burgundy
TRIBAN 650 ml Cycling Water Bottle SoftFlow M - Burgundy
Rate: 4.4 stars, 2360 votes
6 colours
In stock for delivery
£4.99
4.6/5 based on 124386 reviews collected online and in stores

Triathlon Nutrition and Hydration

Find everything you need to stay energised for your training, race day and recovery with our collection of triathlon nutrition and hydration, whatever the distance. Designed for use during training and portioned to easily slot into your triathlon bag so you can be confident that you have your nutrition dialled in. With isotonic gels and jellies for bumps of energy through to essential electrolytes to support recovery and prevent muscle cramps. Choose shaker bottles for mixing protein and other powder-based nutrition and a race bottle for slotting into your bike for the triathlon cycling stage or into your tri suit for the run.