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 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, 1608 votes
2 flavors
£7.99
HIGH5 ZERO Tablets Berry 20 Tabs
HIGH5 ZERO Tablets Berry 20 Tabs
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, 1361 votes
2 flavors
£7.99
£26.64/kg
HIGH5 ZERO Tablets Citrus 20 Tabs
HIGH5 ZERO Tablets Citrus 20 Tabs
Rate: 5.0 stars, 2 votes
£5.99
TRIBAN 800 ml L Cycling Water Bottle SoftFlow - Black
TRIBAN 800 ml L Cycling Water Bottle SoftFlow - Pink
Gallery item 1 out of 2
TRIBAN 800 ml L Cycling Water Bottle SoftFlow - Black
Rate: 4.1 stars, 2009 votes
2 colors
£5.99
Was £6.49
DECATHLON ENERGY GEL SHORT-DISTANCE 14X32 G - RASPBERRY
DECATHLON ENERGY GEL SHORT-DISTANCE 14X32 G - RASPBERRY
Rate: 4.6 stars, 662 votes
£12.99
£29.00/kg
TRIBAN 550 ml Cycling Water Bottle Essential - White
TRIBAN 550 ml Cycling Water Bottle Essential - White
Rate: 4.3 stars, 604 votes
£2.99
CORENGTH Mini Shaker 300 ml - Blue
CORENGTH Mini Shaker 300 ml - Blue
Rate: 4.1 stars, 448 votes
£5.99
DECATHLON ECOSIZE LONG DISTANCE ENERGY GEL LEMON 14X32GR
DECATHLON ECOSIZE LONG DISTANCE ENERGY GEL LEMON 14X32GR
Rate: 4.5 stars, 1160 votes
£12.99
£29.00/kg
DECATHLON ENERGY FRUIT JELLIES BLACKCURRANT APPLE ACEROLA 5X25G
DECATHLON ENERGY FRUIT JELLIES PEAR 5X25G
DECATHLON ENERGY FRUIT JELLIES STRAWBERRY CRANBERRY ACEROLA 5X25G
DECATHLON ENERGY FRUIT JELLIES CITRUS 5X25G
Gallery item 1 out of 4
DECATHLON ENERGY FRUIT JELLIES BLACKCURRANT APPLE ACEROLA 5X25G
Rate: 4.7 stars, 2548 votes
4 flavors
£3.99
£31.92/kg
HIGH5 ZERO Caffeine Hit Berry 20 Tabs
HIGH5 ZERO Caffeine Hit Berry 20 Tabs
Rate: 5.0 stars, 3 votes
£5.99
CORENGTH Classic Shaker 500 ml - Black
CORENGTH Classic Shaker 500 ml - Black
Rate: 4.1 stars, 775 votes
£7.99
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 Water Bottle 650ml - Black
DECATHLON Sport Water Bottle 650ml - Pink
Gallery item 1 out of 2
DECATHLON Water Bottle 650ml - Black
Rate: 4.6 stars, 8 votes
2 colors
£3.99
CORENGTH Maxi Shaker 700 ml - Black
CORENGTH Maxi Shaker 700 ml - Grey
Gallery item 1 out of 2
CORENGTH Maxi Shaker 700 ml - Black
Rate: 4.0 stars, 292 votes
2 colors
£9.99
DECATHLON Sports Bottle 650 ml - Blue
DECATHLON Sports Bottle 650 ml - Blue
Rate: 4.4 stars, 297 votes
£4.99
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, 621 votes
2 flavors
£8.99
£25.69/kg
DECATHLON 650 ml M Cycling Water Bottle SoftFlow - Black
DECATHLON 650 ml M Cycling Water Bottle SoftFlow - Blue
DECATHLON 650 ml M Cycling Water Bottle SoftFlow - Yellow
DECATHLON 650 ml Cycling Water Bottle SoftFlow M - Burgundy
DECATHLON 650 ml Cycling Water Bottle SoftFlow M - Khaki
DECATHLON 650 ml M Cycling Water Bottle SoftFlow - Red
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 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, 863 votes
3 flavors
£19.99
£10.00/kg
HIGH5 ZERO Tablets Tropical 20 Tabs
HIGH5 ZERO Tablets Tropical 20 Tabs
£5.99
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: 4.6 stars, 701 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
DECATHLON Isotonic Drink Powder ISO+ - Lemon 4⨯38 g
DECATHLON Isotonic Drink Powder ISO+ - Strawberry/Cherry 4⨯38 g
Gallery item 1 out of 2
DECATHLON Isotonic Drink Powder ISO+ - Lemon 4⨯38 g
Rate: 4.4 stars, 458 votes
2 flavors
£4.99
DECATHLON ISO+ Isotonic Drink Powder 2kg - strawb. cherry
DECATHLON Iso+ Isotonic Drink Powder 2 kg - Orange
DECATHLON Iso+ Isotonic Drink Powder 2 kg - Lemon
Gallery item 1 out of 3
DECATHLON ISO+ Isotonic Drink Powder 2kg - strawb. cherry
Rate: 4.3 stars, 1289 votes
3 flavors
£24.99
£12.50/kg
DECATHLON NATURE ALMOND ENERGY BAR 5X25G
DECATHLON NATURE ALMOND ENERGY BAR 5X25G
Rate: 4.6 stars, 67 votes
£5.99
SCIENCE IN SPORT Go Isotonic Energy Gel Apple
SCIENCE IN SPORT Go Isotonic Energy Gel Apple
£1.49
DECATHLON RED BERRIES CEREAL BAR 6X21G
DECATHLON BANANA/CHOCOLATE CEREAL ENERGY BAR 6X21G
Gallery item 1 out of 2
DECATHLON RED BERRIES CEREAL BAR 6X21G
Rate: 4.5 stars, 4119 votes
2 flavors
£2.99
DECATHLON ENERGY GEL 4X32 G - SALTED CARAMEL
DECATHLON ENERGY GEL 4X32 G - APPLE
DECATHLON ENERGY GEL 4X32 G - RASPBERRY
Gallery item 1 out of 3
DECATHLON ENERGY GEL 4X32 G - SALTED CARAMEL
Rate: 4.5 stars, 2181 votes
3 flavors
£4.49
£35.08/kg
DECATHLON ISO+ISOTONIC DRINK POWDER 650G - WATERMELON
DECATHLON ISO+ ISOTONIC DRINK POWDER - LEMON
DECATHLON ISO+ ISOTONIC DRINK POWDER 650 G - STRAWBERRY/CHERRY
DECATHLON ISO+ ISOTONIC DRINK POWDER 650G - ORANGE
DECATHLON ISO+ ISOTONIC DRINK POWDER 650G - PEACH
DECATHLON ISO ORGANIC ISOTONIC DRINK POWDER 480G - MINT
Gallery item 1 out of 6
DECATHLON ISO+ISOTONIC DRINK POWDER 650G - WATERMELON
Rate: 4.3 stars, 1939 votes
6 flavors
£10.99
£16.91/kg
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 POWDERED MIX FOR HIGH PROTEIN SPORTS RECOVERY DRINK 512G
DECATHLON POWDERED MIX FOR HIGH PROTEIN SPORTS RECOVERY DRINK 512G
Rate: 4.5 stars, 582 votes
£12.99
£25.38/kg
DECATHLON Sport Bottle 550 ml - Black
DECATHLON Sport Bottle 550 ml - Black
Rate: 3.8 stars, 2042 votes
£2.49
Was £2.79
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 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 ISO Isotonic Drink Powder 650g - Peach
DECATHLON ISO Isotonic Drink Powder 650g - orange
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 - Peach
Rate: 4.5 stars, 1595 votes
4 flavors
£8.99
£13.84/kg
FOR GOODNESS SHAKES Hydro Tablets
FOR GOODNESS SHAKES Hydro Tablets
Rate: 4.8 stars, 11 votes
£5.99
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, 395 votes
2 flavors
£6.99
CORENGTH Stacker Funnel - Funnel Storage Compartment
CORENGTH Stacker Funnel - Funnel Storage Compartment
Rate: 4.8 stars, 19 votes
£3.99
DECATHLON SUGAR FREE LEMON EFFERVESCENT ELECTROLYTES TABLETS 20X4GR
DECATHLON SUGAR-FREE ELECTROLYTES DRINK FIZZY TABLETS - MIXED BERRIES 20X4G
Gallery item 1 out of 2
DECATHLON SUGAR FREE LEMON EFFERVESCENT ELECTROLYTES TABLETS 20X4GR
Rate: 4.4 stars, 843 votes
2 flavors
£7.49
4.5/5 based on 62880 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.