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.
82 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 ECOSIZE ENERGY FRUIT JELLIES CITRUS 12X25G
DECATHLON ENERGY FRUIT JELLY ECOSIZE STRAWBERRY CRANBERRY ACEROLA 12x25G
Gallery item 1 out of 2
DECATHLON ECOSIZE ENERGY FRUIT JELLIES CITRUS 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, 1608 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
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
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 ENERGY FRUIT JELLIES CITRUS 5X25G
DECATHLON ENERGY FRUIT JELLIES BLACKCURRANT APPLE ACEROLA 5X25G
DECATHLON ENERGY FRUIT JELLIES PEAR 5X25G
DECATHLON ENERGY FRUIT JELLIES STRAWBERRY CRANBERRY ACEROLA 5X25G
Gallery item 1 out of 4
DECATHLON ENERGY FRUIT JELLIES CITRUS 5X25G
Rate: 4.7 stars, 2549 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, 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, 1161 votes
£12.99
£29.00/kg
DECATHLON Iso Isotonic Drink Powder 2 kg - Orange
DECATHLON ISO Isotonic Drink Powder 2Kg - lemon
DECATHLON Iso Isotonic Drink Powder 2kg - Mixed Berries
Gallery item 1 out of 3
DECATHLON Iso Isotonic Drink Powder 2 kg - Orange
Rate: 4.5 stars, 864 votes
3 flavors
£19.99
£10.00/kg
DECATHLON ISO+ISOTONIC DRINK POWDER 650G - WATERMELON
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
DECATHLON ISO+ ISOTONIC DRINK POWDER - LEMON
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 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 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, 4123 votes
2 flavors
£2.99
SCIENCE IN SPORT Go Isotonic Energy Gel Apple
SCIENCE IN SPORT Go Isotonic Energy Gel Apple
£1.49
DECATHLON NATURE ALMOND ENERGY BAR 5X25G
DECATHLON NATURE ALMOND ENERGY BAR 5X25G
Rate: 4.6 stars, 67 votes
£5.99
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, 2182 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 2 kg - Orange
DECATHLON ISO+ Isotonic Drink Powder 2kg - strawb. cherry
DECATHLON Iso+ Isotonic Drink Powder 2 kg - Lemon
Gallery item 1 out of 3
DECATHLON Iso+ Isotonic Drink Powder 2 kg - Orange
Rate: 4.3 stars, 1290 votes
3 flavors
£24.99
£12.50/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, 245 votes
2 flavors
£7.49
£49.94/kg
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
Gallery item 1 out of 4
DECATHLON ISO Isotonic Drink Powder 650g - Peach
Rate: 4.5 stars, 1596 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
FOR GOODNESS SHAKES Hydro Tablets
FOR GOODNESS SHAKES Hydro Tablets
Rate: 4.8 stars, 11 votes
£5.99
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 ENERGY GEL APPLE 1 X 32 G
DECATHLON ENERGY GEL RASPEBERRY 1 X 32 G
Gallery item 1 out of 2
DECATHLON ENERGY GEL APPLE 1 X 32 G
Rate: 4.4 stars, 284 votes
2 flavors
£1.29
£1.29/kg
DECATHLON SPECIAL ENERGY FRUIT MIX 4X90 G - APPLE
DECATHLON ENERGY FRUIT MIX 4X90 G - APPLE/MIXED BERRIES
Gallery item 1 out of 2
DECATHLON SPECIAL ENERGY FRUIT MIX 4X90 G - APPLE
Rate: 4.6 stars, 1711 votes
2 flavors
£4.99
£13.87/kg
DECATHLON Energy fruit speciality 12x90g Apple, Apple-Banana, Apple-Berries
DECATHLON Energy fruit speciality 12x90g Apple, Apple-Banana, Apple-Berries
Rate: 4.6 stars, 748 votes
£9.99
£9.99/kg
DECATHLON Magnesium and Potassium Liquid lemon 4 x 35g
DECATHLON Magnesium and Potassium Liquid lemon 4 x 35g
Rate: 4.5 stars, 687 votes
£4.99
DECATHLON CAFFEINE SHOT 2X40 ML - BERRY
DECATHLON CAFFEINE SHOT 2X40 ML - BERRY
Rate: 4.3 stars, 137 votes
£3.49
£43.63/l
DECATHLON Mixed energy bars with dates - 10 bars
DECATHLON Mixed energy bars with dates - 10 bars
£8.49
£25.73/kg
DECATHLON Natural cereal bar x 6
DECATHLON Mixed berries cereal bar x 6
DECATHLON Apricot cereal bar x 6
DECATHLON Caramel cereal bar x6
DECATHLON Chocolate cereal bar X6
Gallery item 1 out of 5
DECATHLON Natural cereal bar x 6
5 flavors
£2.99
£23.74/kg
DECATHLON ENERGY GEL+ 4X32 G - LEMON
DECATHLON ENERGY GEL+ 4X32 G - COLA
DECATHLON ENERGY GEL+ 4X32 G - CITRUS
DECATHLON ENERGY GEL+ 4X32 G - BLACKCURRANT
Gallery item 1 out of 4
DECATHLON ENERGY GEL+ 4X32 G - LEMON
Rate: 4.4 stars, 2720 votes
4 flavors
£4.99
£4.99/kg
POWERBAR Power Gel Energy Gel 4 x 41 g - Mixed Berries
POWERBAR Power Gel Energy Gel 4 x 41 g - Mixed Berries
Rate: 4.6 stars, 165 votes
£5.99
£36.53/kg
DECATHLON ENERGY GEL + LEMON 1 X 32 G
DECATHLON ENERGY GEL + COLA 1 X 32 G
Gallery item 1 out of 2
DECATHLON ENERGY GEL + LEMON 1 X 32 G
Rate: 4.4 stars, 224 votes
2 flavors
£1.29
£1.29/kg
DECATHLON GLUTEN-FREE BAR - SEEDS & ALMONDS
DECATHLON GLUTEN-FREE BAR - SEEDS & ALMONDS
Rate: 4.6 stars, 191 votes
£4.99
£55.45/kg
DECATHLON SUGAR-FREE ELECTROLYTES DRINK FIZZY TABLETS - MIXED BERRIES 20X4G
DECATHLON SUGAR FREE LEMON EFFERVESCENT ELECTROLYTES TABLETS 20X4GR
Gallery item 1 out of 2
DECATHLON SUGAR-FREE ELECTROLYTES DRINK FIZZY TABLETS - MIXED BERRIES 20X4G
Rate: 4.4 stars, 844 votes
2 flavors
£7.49
DECATHLON Nougat Energy Bars 12x25g
DECATHLON Nougat Energy Bars 12x25g
Rate: 4.6 stars, 484 votes
£7.99
£399.50/kg
4.6/5 based on 54029 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.