PRE, INTRA AND POST-WORKOUT

For muscle maintenance, recovery and growth, find Decathlon’s best pre-workout supplements for boxing featuring protein, carbohydrates, amino acids and more. Perfect for daily consumption, see results quicker.
137 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, 1611 votes
2 flavors
£7.99
£35.67/kg
CORENGTH Whey Protein 900 g Vanilla
CORENGTH Whey Protein 900 g Vanilla
Rate: 4.4 stars, 472 votes
£24.99
£27.77/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
CORENGTH Whey Protein 900g - Unflavoured
CORENGTH Whey Protein 900g - Unflavoured
Rate: 4.7 stars, 77 votes
£24.99
£27.77/kg
DECATHLON Recovery Protein Bar x 12 - Chocolate/Caramel
DECATHLON Recovery Protein Bar *12 Chocolate
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DECATHLON Recovery Protein Bar x 12 - Chocolate/Caramel
Rate: 4.5 stars, 237 votes
2 flavors
£17.99
CORENGTH Whey Protein 1.5kg - Vanilla
CORENGTH Whey Protein 1.5kg - Vanilla
Rate: 4.5 stars, 26 votes
£39.99
£26.66/kg
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
DOMYOS Whey Protein Isolate Vanilla 900 g
DOMYOS Whey Protein Isolate Vanilla 900 g
Rate: 4.4 stars, 559 votes
£34.99
£38.88/kg
DECATHLON Protein Bar Six-Pack - Vanilla
DECATHLON Protein Bar Six-Pack Chocolate
Gallery item 1 out of 2
DECATHLON Protein Bar Six-Pack - Vanilla
2 flavors
£7.99
DOMYOS L-CARNITINE
DOMYOS L-CARNITINE
Rate: 4.3 stars, 412 votes
£12.99
£245.10/kg
OPTIMUM NUTRITION 908 g Whey Protein Gold Standard - Double Rich Chocolate
OPTIMUM NUTRITION 908 g Whey Protein Gold Standard - Double Rich Chocolate
Rate: 4.6 stars, 357 votes
£34.99
£38.54/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
CORENGTH Whey Protein 1.5 kg - Chocolate
CORENGTH Whey Protein 1.5 kg - Chocolate
Rate: 4.4 stars, 57 votes
£39.99
£26.66/kg
DECATHLON VEGAN RED BERRIES PROTEIN SPORTS RECOVERY BAR 5X40G
DECATHLON VEGAN RED BERRIES PROTEIN SPORTS RECOVERY BAR 5X40G
Rate: 4.5 stars, 188 votes
£5.99
£29.95/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
OPTIMUM NUTRITION Gold Standard Whey 908 g - Strawberry
OPTIMUM NUTRITION Gold Standard Whey 908 g - Strawberry
Rate: 4.6 stars, 65 votes
£34.99
£38.88/kg
OPTIMUM NUTRITION 908 g Whey Protein Gold Standard - Vanilla Ice Cream
OPTIMUM NUTRITION 908 g Whey Protein Gold Standard - Vanilla Ice Cream
Rate: 4.5 stars, 253 votes
£34.99
£38.54/kg
APTONIA Protein Bar Puffed Chocolate x8 Crispy Choco Bar
APTONIA Protein Bar Puffed Chocolate x8 Crispy Choco Bar
£9.99
£31.22/kg
DECATHLON Recovery Protein Bar *6 Chocolate / Peanut
DECATHLON Recovery Protein Bar Six-Pack - Chocolate/Coconut
DECATHLON Recovery Protein Bar *6 Chocolate
DECATHLON Recovery Protein Bar *6 Chocolate/Caramel
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DECATHLON Recovery Protein Bar *6 Chocolate / Peanut
Rate: 4.7 stars, 272 votes
4 flavors
£9.99
DECATHLON Cereal bars mixed berries X15
DECATHLON Cereal bar chocolate X15
DECATHLON Caramel cereal bar x 15
Gallery item 1 out of 3
DECATHLON Cereal bars mixed berries X15
3 flavors
£5.99
£19.02/kg
DOMYOS Vegan 2:1:1 BCAA Powder 210 g - Watermelon Flavour
DOMYOS Vegan 2:1:1 BCAA Powder 210 g - Watermelon Flavour
Rate: 4.0 stars, 21 votes
£12.99
£61.86/kg
DECATHLON ENERGY GEL+ 4X32 G - COLA
DECATHLON ENERGY GEL+ 4X32 G - BLACKCURRANT
DECATHLON ENERGY GEL+ 4X32 G - CITRUS
DECATHLON ENERGY GEL+ 4X32 G - LEMON
Gallery item 1 out of 4
DECATHLON ENERGY GEL+ 4X32 G - COLA
Rate: 4.4 stars, 2725 votes
4 flavors
£4.99
£4.99/kg
CORENGTH Whey Protein Isolate 900g - Strawberry
CORENGTH Whey Protein Isolate 900g - Strawberry
Rate: 4.3 stars, 55 votes
£34.99
£38.88/kg
DECATHLON Isotonic drink in effervescent tablets - Orange 10 x 12g
DECATHLON Isotonic drink in effervescent tablets - Mixed berries 10 x 12g
Gallery item 1 out of 2
DECATHLON Isotonic drink in effervescent tablets - Orange 10 x 12g
Rate: 4.3 stars, 1106 votes
2 flavors
£5.49
£5.49/kg
CORENGTH High Protein Bar x 8 - Chocolate
CORENGTH High Protein Bar x 8 - Chocolate
Rate: 4.0 stars, 7 votes
£19.99
£41.65/kg
DECATHLON Sports Recovery Protein Bar 5 x 40 g - Chocolate
DECATHLON Sports Recovery Protein Bar 5 x 40 g - Chocolate
Rate: 4.4 stars, 1823 votes
£6.99
DOMYOS High Protein Bar Caramel Pack X4
DOMYOS High Protein Bar Caramel Pack X4
Rate: 4.5 stars, 117 votes
£10.99
£45.80/kg
DECATHLON CAFFEINE SHOT 2X40 ML - BERRY
DECATHLON CAFFEINE SHOT 2X40 ML - BERRY
Rate: 4.3 stars, 137 votes
£3.49
£43.63/l
DECATHLON 40 g Protein Bar After Sport - Caramel/Chocolate
DECATHLON 40 g Protein Bar After Sport - Caramel/Chocolate
Rate: 4.6 stars, 174 votes
£1.99
£49.75/kg
CORENGTH Whey Protein 450 g - Chocolate
CORENGTH Whey Protein 450 g - Chocolate
Rate: 4.5 stars, 2 votes
£12.99
£28.87/kg
DECATHLON Magnesium and Potassium Liquid lemon 4 x 35g
DECATHLON Magnesium and Potassium Liquid lemon 4 x 35g
Rate: 4.5 stars, 689 votes
£4.99
DECATHLON Cereal Bar 6x21g - strawberry
DECATHLON Cereal Bar - chocolate hazelnut 6x21g
Gallery item 1 out of 2
DECATHLON Cereal Bar 6x21g - strawberry
Rate: 4.6 stars, 246 votes
2 flavors
£3.99
£3.99/kg
PHD NUTRITION PhD Nutrition | Diet Whey Powder | Strawberry Delight Flavour | 1kg
PHD NUTRITION PhD Nutrition | Diet Whey Powder | White Chocolate & Raspberry Flavour | 1kg
PHD NUTRITION PhD Nutrition | Diet Whey Powder | Salted Caramel Flavour | 1kg
PHD NUTRITION PhD Nutrition | Diet Whey Powder | White Chocolate Deluxe Flavour | 1kg
PHD NUTRITION PhD Nutrition | Diet Whey Powder | Vanilla Creme Flavour | 2kg
PHD NUTRITION PhD Nutrition | Diet Whey Powder | Strawberry Delight Flavour | 2kg
PHD NUTRITION PhD Nutrition | Diet Whey Powder | Belgian Chocolate Flavour | 2kg
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PHD NUTRITION PhD Nutrition | Diet Whey Powder | Strawberry Delight Flavour | 1kg
Rate: 5.0 stars, 2 votes
7 flavors
Sold and shipped by Science in Sport
£24.99
£24.99/kg
DOMYOS Whey Protein Isolate 900g - Cookies & Cream
DOMYOS Whey Protein Isolate 900g - Cookies & Cream
Rate: 4.5 stars, 413 votes
£34.99
£38.88/kg
CORENGTH Whey Protein 900g - Strawberry
CORENGTH Whey Protein 900g - Strawberry
Rate: 4.3 stars, 95 votes
£24.99
£27.77/kg
CORENGTH Whey Protein 900g - Cookies & Cream
CORENGTH Whey Protein 900g - Cookies & Cream
Rate: 4.5 stars, 252 votes
£24.99
£27.77/kg
DECATHLON Apricot cereal bar x 6
DECATHLON Mixed berries cereal bar x 6
DECATHLON Caramel cereal bar x6
DECATHLON Chocolate cereal bar X6
DECATHLON Natural cereal bar x 6
Gallery item 1 out of 5
DECATHLON Apricot cereal bar x 6
5 flavors
£2.99
£23.74/kg
SCIENCE IN SPORT Go Isotonic Energy Gel Orange
SCIENCE IN SPORT Go Isotonic Energy Gel Orange
Rate: 5.0 stars, 2 votes
£1.49