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.
135 items
SCIENCE IN SPORT Go Isotonic Energy Gel Blackcurrant - 6 x 60ml
SCIENCE IN SPORT Go Isotonic Energy Gel Blackcurrant - 6 x 60ml
Rate: 5.0 stars, 1 votes
£5.99
DECATHLON ENERGY FRUIT JELLY ECOSIZE STRAWBERRY CRANBERRY ACEROLA 12x25G
DECATHLON ECOSIZE ENERGY FRUIT JELLIES CITRUS 12X25G
Gallery item 1 out of 2
DECATHLON ENERGY FRUIT JELLY ECOSIZE STRAWBERRY CRANBERRY ACEROLA 12x25G
Rate: 4.7 stars, 1362 votes
2 flavors
£7.99
£26.64/kg
DECATHLON Pack of energy gels 7 x 32g
DECATHLON Pack of energy gels 7 x 32g
Gallery item 1 out of 2
DECATHLON Pack of energy gels 7 x 32g
Rate: 4.4 stars, 1609 votes
2 flavors
£7.99
£35.67/kg
HIGH5 ZERO Tablets Berry 20 Tabs
HIGH5 ZERO Tablets Berry 20 Tabs
Rate: 5.0 stars, 1 votes
£5.99
HIGH5 ZERO Tablets Citrus 20 Tabs
HIGH5 ZERO Tablets Citrus 20 Tabs
Rate: 5.0 stars, 2 votes
£5.99
CORENGTH Mini Shaker 300 ml - Blue
CORENGTH Mini Shaker 300 ml - Blue
Rate: 4.1 stars, 451 votes
£5.99
TRIBAN 550 ml Cycling Water Bottle Essential - White
TRIBAN 550 ml Cycling Water Bottle Essential - White
Rate: 4.3 stars, 608 votes
£2.99
DECATHLON ENERGY GEL SHORT-DISTANCE 14X32 G - RASPBERRY
DECATHLON ENERGY GEL SHORT-DISTANCE 14X32 G - RASPBERRY
Rate: 4.6 stars, 664 votes
£12.99
£29.00/kg
CORENGTH Classic Shaker 500 ml - Black
CORENGTH Classic Shaker 500 ml - Black
Rate: 4.1 stars, 780 votes
£7.99
HIGH5 ZERO Caffeine Hit Berry 20 Tabs
HIGH5 ZERO Caffeine Hit Berry 20 Tabs
Rate: 5.0 stars, 3 votes
£5.99
ISOSTAR HYDRATE&PERFORM Isotonic Drink Powder 560g - lemon
ISOSTAR HYDRATE&PERFORM Isotonic Drink Powder 560g - lemon
Rate: 4.6 stars, 768 votes
£9.99
£17.84/kg
DECATHLON Sport Water Bottle 650ml - Pink
DECATHLON Water Bottle 650ml - Black
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DECATHLON Sport Water Bottle 650ml - Pink
Rate: 4.6 stars, 8 votes
2 colors
£3.99
DECATHLON Sports Bottle 650 ml - Blue
DECATHLON Sports Bottle 650 ml - Blue
Rate: 4.4 stars, 297 votes
£4.99
DECATHLON ENERGY FRUIT JELLIES PEAR 5X25G
DECATHLON ENERGY FRUIT JELLIES STRAWBERRY CRANBERRY ACEROLA 5X25G
DECATHLON ENERGY FRUIT JELLIES CITRUS 5X25G
DECATHLON ENERGY FRUIT JELLIES BLACKCURRANT APPLE ACEROLA 5X25G
Gallery item 1 out of 4
DECATHLON ENERGY FRUIT JELLIES PEAR 5X25G
Rate: 4.7 stars, 2550 votes
4 flavors
£3.99
£31.92/kg
DECATHLON Date and mixed berry energy bars 10x35 gr
DECATHLON Date and banana energy bars 10x35 gr
Gallery item 1 out of 2
DECATHLON Date and mixed berry energy bars 10x35 gr
Rate: 4.5 stars, 623 votes
2 flavors
£8.99
£25.69/kg
DECATHLON ECOSIZE LONG DISTANCE ENERGY GEL LEMON 14X32GR
DECATHLON ECOSIZE LONG DISTANCE ENERGY GEL LEMON 14X32GR
Rate: 4.5 stars, 1163 votes
£12.99
£29.00/kg
CORENGTH Maxi Shaker 700 ml - Grey
CORENGTH Maxi Shaker 700 ml - Black
Gallery item 1 out of 2
CORENGTH Maxi Shaker 700 ml - Grey
Rate: 4.0 stars, 293 votes
2 colors
£9.99
CORENGTH Stacker Funnel - Funnel Storage Compartment
CORENGTH Stacker Funnel - Funnel Storage Compartment
Rate: 4.8 stars, 19 votes
£3.99
DECATHLON Iso Isotonic Drink Powder 2kg - Mixed Berries
DECATHLON ISO Isotonic Drink Powder 2Kg - lemon
DECATHLON Iso Isotonic Drink Powder 2 kg - Orange
Gallery item 1 out of 3
DECATHLON Iso Isotonic Drink Powder 2kg - Mixed Berries
Rate: 4.5 stars, 865 votes
3 flavors
£19.99
£10.00/kg
DECATHLON ISO+ISOTONIC DRINK POWDER 650G - WATERMELON
DECATHLON ISO+ ISOTONIC DRINK POWDER - LEMON
DECATHLON ISO+ ISOTONIC DRINK POWDER 650G - ORANGE
DECATHLON ISO+ ISOTONIC DRINK POWDER 650G - PEACH
DECATHLON ISO ORGANIC ISOTONIC DRINK POWDER 480G - MINT
DECATHLON ISO+ ISOTONIC DRINK POWDER 650 G - STRAWBERRY/CHERRY
Gallery item 1 out of 6
DECATHLON ISO+ISOTONIC DRINK POWDER 650G - WATERMELON
Rate: 4.3 stars, 1940 votes
6 flavors
£10.99
£16.91/kg
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: 4.6 stars, 702 votes
£24.99
£24.99/kg
DECATHLON ENERGY FRUIT JELLIES STRAWBERRY CRANBERRY ACEROLA 100X25G
DECATHLON ENERGY FRUIT JELLIES STRAWBERRY CRANBERRY ACEROLA 100X25G
Rate: 4.6 stars, 29 votes
£54.99
£22.00/kg
HIGH5 ZERO Tablets Tropical 20 Tabs
HIGH5 ZERO Tablets Tropical 20 Tabs
£5.99
DECATHLON 650 ml M Cycling Water Bottle SoftFlow - Black
DECATHLON 650 ml M Cycling Water Bottle SoftFlow - Yellow
DECATHLON 650 ml Cycling Water Bottle SoftFlow M - Burgundy
DECATHLON 650 ml M Cycling Water Bottle SoftFlow - Red
DECATHLON 650 ml Cycling Water Bottle SoftFlow M - Khaki
DECATHLON 650 ml M Cycling Water Bottle SoftFlow - Blue
Gallery item 1 out of 6
DECATHLON 650 ml M Cycling Water Bottle SoftFlow - Black
Rate: 4.3 stars, 2523 votes
6 colors
£4.99£5.49
DECATHLON Isotonic Drink Powder ISO+ - Strawberry/Cherry 4⨯38 g
DECATHLON Isotonic Drink Powder ISO+ - Lemon 4⨯38 g
Gallery item 1 out of 2
DECATHLON Isotonic Drink Powder ISO+ - Strawberry/Cherry 4⨯38 g
Rate: 4.4 stars, 460 votes
2 flavors
£4.99
DECATHLON BANANA/CHOCOLATE CEREAL ENERGY BAR 6X21G
DECATHLON RED BERRIES CEREAL BAR 6X21G
Gallery item 1 out of 2
DECATHLON BANANA/CHOCOLATE CEREAL ENERGY BAR 6X21G
Rate: 4.5 stars, 4124 votes
2 flavors
£2.99
SCIENCE IN SPORT Go Isotonic Energy Gel Apple
SCIENCE IN SPORT Go Isotonic Energy Gel Apple
£1.49
DECATHLON RECOVERY DRINK POWDER 512 G - LEMON
DECATHLON RECOVERY DRINK POWDER 512 G - LEMON
Rate: 4.1 stars, 278 votes
£12.99
£25.38/kg
DECATHLON NATURE ALMOND ENERGY BAR 5X25G
DECATHLON NATURE ALMOND ENERGY BAR 5X25G
Rate: 4.6 stars, 67 votes
£5.99
SCIENCE IN SPORT REGO Rapid Recovery 1.6kg
SCIENCE IN SPORT REGO Rapid Recovery 1.6kg
Rate: 5.0 stars, 1 votes
£39.99
DECATHLON Sport Bottle 550 ml - Black
DECATHLON Sport Bottle 550 ml - Black
Rate: 3.8 stars, 2042 votes
£2.49
Was £2.79
DECATHLON POWDERED MIX FOR HIGH PROTEIN SPORTS RECOVERY DRINK 512G
DECATHLON POWDERED MIX FOR HIGH PROTEIN SPORTS RECOVERY DRINK 512G
Rate: 4.5 stars, 584 votes
£12.99
£25.38/kg
DECATHLON ENERGY GEL 4X32 G - SALTED CARAMEL
DECATHLON ENERGY GEL 4X32 G - RASPBERRY
DECATHLON ENERGY GEL 4X32 G - APPLE
Gallery item 1 out of 3
DECATHLON ENERGY GEL 4X32 G - SALTED CARAMEL
Rate: 4.5 stars, 2183 votes
3 flavors
£4.49
£35.08/kg
DECATHLON Aptonia energy fruit jelly Strawberry Cranberries 5x25g
DECATHLON Aptonia energy fruit jelly Strawberry Cranberries 5x25g
Rate: 4.6 stars, 142 votes
£4.99
DECATHLON ISO+ Isotonic Drink Powder 2kg - strawb. cherry
DECATHLON Iso+ Isotonic Drink Powder 2 kg - Lemon
DECATHLON Iso+ Isotonic Drink Powder 2 kg - Orange
Gallery item 1 out of 3
DECATHLON ISO+ Isotonic Drink Powder 2kg - strawb. cherry
Rate: 4.3 stars, 1291 votes
3 flavors
£24.99
£12.50/kg
DECATHLON GLUTEN-FREE SPORTS BAR - COCOA AND DATE PASTE
DECATHLON DATE AND BLUEBERRY SPORTS BAR / GLUTEN FREE
Gallery item 1 out of 2
DECATHLON GLUTEN-FREE SPORTS BAR - COCOA AND DATE PASTE
Rate: 4.5 stars, 245 votes
2 flavors
£7.49
£49.94/kg
DECATHLON ISO Isotonic Drink Powder 650g - orange
DECATHLON ISO Isotonic Drink Powder 650g - Peach
DECATHLON Iso Isotonic Drink Powder 650g - Mixed Berries
DECATHLON ISO Isotonic Drink Powder 650g - Lemon
Gallery item 1 out of 4
DECATHLON ISO Isotonic Drink Powder 650g - orange
Rate: 4.5 stars, 1598 votes
4 flavors
£8.99
£13.84/kg
DECATHLON Date and mixed berry energy bars 5x35g
DECATHLON ENERGY BAR 5x35g G - DATE/BANANA
Gallery item 1 out of 2
DECATHLON Date and mixed berry energy bars 5x35g
Rate: 4.5 stars, 396 votes
2 flavors
£6.99
DECATHLON Sport Bottle 960 ml - Black
DECATHLON Sport Bottle 960 ml - Black
Rate: 3.9 stars, 254 votes
£5.99
FOR GOODNESS SHAKES Hydro Tablets
FOR GOODNESS SHAKES Hydro Tablets
Rate: 4.8 stars, 11 votes
£5.99
4.5/5 based on 65687 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.