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.
134 items
DECATHLON ENERGY FRUIT JELLY ECOSIZE STRAWBERRY CRANBERRY ACEROLA 12x25G
DECATHLON ECOSIZE ENERGY FRUIT JELLIES CITRUS 12X25G
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DECATHLON ENERGY FRUIT JELLY ECOSIZE STRAWBERRY CRANBERRY ACEROLA 12x25G
Rate: 4.7 stars, 1365 votes
2 flavors
£7.99
£26.64/kg
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
HIGH5 ZERO Tablets Berry 20 Tabs
HIGH5 ZERO Tablets Berry 20 Tabs
Rate: 5.0 stars, 1 votes
£5.99
DECATHLON Pack of energy gels 7 x 32g
DECATHLON Pack of energy gels 7 x 32g
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DECATHLON Pack of energy gels 7 x 32g
Rate: 4.4 stars, 1611 votes
2 flavors
£7.99
£35.67/kg
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
HIGH5 ZERO Tablets Citrus 20 Tabs
HIGH5 ZERO Tablets Citrus 20 Tabs
Rate: 5.0 stars, 2 votes
£5.99
DECATHLON 950 ml Cycling Water Bottle SoftFlow - Black
DECATHLON 950 ml Cycling Water Bottle SoftFlow - Black
Rate: 4.3 stars, 203 votes
£6.99
Was £7.49
HIGH5 ZERO Caffeine Hit Berry 20 Tabs
HIGH5 ZERO Caffeine Hit Berry 20 Tabs
Rate: 5.0 stars, 3 votes
£5.99
HIGH5 ZERO Tablets Tropical 20 Tabs
HIGH5 ZERO Tablets Tropical 20 Tabs
£5.99
CORENGTH Mini Shaker 300 ml - Blue
CORENGTH Mini Shaker 300 ml - Blue
Rate: 4.1 stars, 453 votes
£5.99
CORENGTH Classic Shaker 500 ml - Black
CORENGTH Classic Shaker 500 ml - Black
Rate: 4.1 stars, 784 votes
£7.99
DECATHLON ECOSIZE LONG DISTANCE ENERGY GEL LEMON 14X32GR
DECATHLON ECOSIZE LONG DISTANCE ENERGY GEL LEMON 14X32GR
Rate: 4.5 stars, 1164 votes
£12.99
£29.00/kg
MYPROTEIN Metal Shaker
MYPROTEIN Metal Shaker
£10.99
TRIBAN 550 ml Cycling Water Bottle Essential - White
TRIBAN 550 ml Cycling Water Bottle Essential - White
Rate: 4.3 stars, 611 votes
£2.99
DECATHLON Water Bottle 650ml - Black
DECATHLON Sport Water Bottle 650ml - Pink
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DECATHLON Water Bottle 650ml - Black
Rate: 4.6 stars, 8 votes
2 colors
£3.99
DECATHLON ENERGY FRUIT JELLIES BLACKCURRANT APPLE ACEROLA 5X25G
DECATHLON ENERGY FRUIT JELLIES CITRUS 5X25G
DECATHLON ENERGY FRUIT JELLIES PEAR 5X25G
DECATHLON ENERGY FRUIT JELLIES STRAWBERRY CRANBERRY ACEROLA 5X25G
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DECATHLON ENERGY FRUIT JELLIES BLACKCURRANT APPLE ACEROLA 5X25G
Rate: 4.7 stars, 2551 votes
4 flavors
£3.99
£31.92/kg
DECATHLON Date and banana energy bars 10x35 gr
DECATHLON Date and mixed berry energy bars 10x35 gr
Gallery item 1 out of 2
DECATHLON Date and banana energy bars 10x35 gr
Rate: 4.5 stars, 624 votes
2 flavors
£8.99
£25.69/kg
CORENGTH Stacker Funnel - Funnel Storage Compartment
CORENGTH Stacker Funnel - Funnel Storage Compartment
Rate: 4.8 stars, 20 votes
£3.99
DECATHLON Isotonic Drink Powder ISO+ - Strawberry/Cherry 4⨯38 g
DECATHLON Isotonic Drink Powder ISO+ - Lemon 4⨯38 g
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DECATHLON Isotonic Drink Powder ISO+ - Strawberry/Cherry 4⨯38 g
Rate: 4.4 stars, 462 votes
2 flavors
£4.99
DECATHLON Sports Bottle 650 ml - Blue
DECATHLON Sports Bottle 650 ml - Blue
Rate: 4.4 stars, 297 votes
£4.99
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 SUGAR-FREE ELECTROLYTES DRINK FIZZY TABLETS - MIXED BERRIES 20X4G
DECATHLON SUGAR FREE LEMON EFFERVESCENT ELECTROLYTES TABLETS 20X4GR
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DECATHLON SUGAR-FREE ELECTROLYTES DRINK FIZZY TABLETS - MIXED BERRIES 20X4G
Rate: 4.4 stars, 852 votes
2 flavors
£7.49
DECATHLON ISO Isotonic Drink Powder 650g - Peach
DECATHLON ISO Isotonic Drink Powder 650g - orange
DECATHLON ISO Isotonic Drink Powder 650g - Lemon
DECATHLON Iso Isotonic Drink Powder 650g - Mixed Berries
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DECATHLON ISO Isotonic Drink Powder 650g - Peach
Rate: 4.5 stars, 1599 votes
4 flavors
£8.99
£13.84/kg
DECATHLON RED BERRIES CEREAL BAR 6X21G
DECATHLON BANANA/CHOCOLATE CEREAL ENERGY BAR 6X21G
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DECATHLON RED BERRIES CEREAL BAR 6X21G
Rate: 4.5 stars, 4133 votes
2 flavors
£2.99
DECATHLON 650 ml M Cycling Water Bottle SoftFlow - Black
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 - Yellow
DECATHLON 650 ml M Cycling Water Bottle SoftFlow - Blue
DECATHLON 650 ml Cycling Water Bottle SoftFlow M - Burgundy
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DECATHLON 650 ml M Cycling Water Bottle SoftFlow - Black
Rate: 4.3 stars, 2525 votes
6 colors
£4.99£5.49
DECATHLON NATURE ALMOND ENERGY BAR 5X25G
DECATHLON NATURE ALMOND ENERGY BAR 5X25G
Rate: 4.6 stars, 67 votes
£5.99
DECATHLON Sport Bottle 960 ml - Black
DECATHLON Sport Bottle 960 ml - Black
Rate: 3.9 stars, 254 votes
£5.99
DECATHLON Sport Bottle 550 ml - Black
DECATHLON Sport Bottle 550 ml - Black
Rate: 3.8 stars, 2043 votes
£2.49
FOR GOODNESS SHAKES Hydro Tablets
FOR GOODNESS SHAKES Hydro Tablets
Rate: 4.8 stars, 11 votes
£5.99
DECATHLON Iso Isotonic Drink Powder 2kg - Mixed Berries
DECATHLON ISO Isotonic Drink Powder 2Kg - lemon
DECATHLON Iso Isotonic Drink Powder 2 kg - Orange
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DECATHLON Iso Isotonic Drink Powder 2kg - Mixed Berries
Rate: 4.5 stars, 868 votes
3 flavors
£19.99
£10.00/kg
DECATHLON ENERGY GEL 4X32 G - SALTED CARAMEL
DECATHLON ENERGY GEL 4X32 G - RASPBERRY
DECATHLON ENERGY GEL 4X32 G - APPLE
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DECATHLON ENERGY GEL 4X32 G - SALTED CARAMEL
Rate: 4.5 stars, 2186 votes
3 flavors
£4.49
£35.08/kg
SCIENCE IN SPORT Go Isotonic Energy Gel Apple
SCIENCE IN SPORT Go Isotonic Energy Gel Apple
£1.49
DECATHLON Nougat Energy Bars 12x25g
DECATHLON Nougat Energy Bars 12x25g
Rate: 4.7 stars, 485 votes
£7.99
£399.50/kg
DECATHLON DATE AND BLUEBERRY SPORTS BAR / GLUTEN FREE
DECATHLON GLUTEN-FREE SPORTS BAR - COCOA AND DATE PASTE
Gallery item 1 out of 2
DECATHLON DATE AND BLUEBERRY SPORTS BAR / GLUTEN FREE
Rate: 4.5 stars, 246 votes
2 flavors
£7.49
£49.94/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 ORGANIC ISOTONIC DRINK POWDER 480G - MINT
DECATHLON ISO+ ISOTONIC DRINK POWDER 650G - ORANGE
DECATHLON ISO+ ISOTONIC DRINK POWDER 650G - PEACH
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DECATHLON ISO+ISOTONIC DRINK POWDER 650G - WATERMELON
Rate: 4.3 stars, 1951 votes
6 flavors
£10.99
£16.91/kg
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, 1296 votes
3 flavors
£24.99
£12.50/kg
DECATHLON ENERGY BAR 5x35g G - DATE/BANANA
DECATHLON Date and mixed berry energy bars 5x35g
Gallery item 1 out of 2
DECATHLON ENERGY BAR 5x35g G - DATE/BANANA
Rate: 4.5 stars, 396 votes
2 flavors
£6.99
DECATHLON ISOTHERMAL SPORTS BOTTLE 450 ML - WHITE
DECATHLON ISOTHERMAL SPORTS BOTTLE 450 ML - WHITE
Rate: 3.7 stars, 1673 votes
£6.99
DECATHLON Date-flavoured savoury energy bar with seeds - 5 x 35 g
DECATHLON Date-flavoured savoury energy bar with seeds - 5 x 35 g
£4.99
£28.52/kg
DECATHLON RECOVERY DRINK POWDER 512 G - LEMON
DECATHLON RECOVERY DRINK POWDER 512 G - LEMON
Rate: 4.1 stars, 279 votes
£12.99
£25.38/kg
4.5/5 based on 61104 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.