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Get started with your Styrkr Winter Kit

Formulated from thousands of Styrkr customer shopping habits, designed to provide the perfect mix of carbs, hydration, and recovery essentials for your training rides, long sessions, and race prep - all at our best-ever price.

Save up to 54% +Free £50 Fuel Card + Two Free 500ml Bottles + Free Cap

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Quick-release energy

Powered by Plasmatech

Complete endurance fuel

100% Gluten-free

100% Vegan

Easy on the gut

Backed by Science. Refined for Performance.

Our formulas are continuously tested and refined - so you can push harder, recover faster, and go further. Backed by research, our approach ensures every ingredient serves a purpose and delivers results when it matters most. Athletes have found the following:

25% Improvement in endurance capacity
30% Reduction in muscle cramping
80% Reduction in GI distress and improvement in performance
75% Enhanced gastric emptying and performance with the glucose-fructose

Learn more about the nutrition study.

Styrkr Winter Kit

(2000) 4.7 reviews
Cycling Winter Performance Kit

Cycling Winter Training Kit

(2000) 4.7 reviews

Cycling Winter Training Kit is formulated from thousands of Styrkr customer shopping habits, designed to provide the perfect mix of carbs, hydration, and recovery essentials for your training rides, long sessions, and race prep — all at our best-ever price. Make every kilometre count: stay energised, recover faster, and enjoy unbeatable value.

Cycling Winter Training Kit

£49.99 £90.21

Cycling Winter Training Kit

6x Bar50

£16.50

Cycling Winter Training Kit

3x Mix90

£8.25

Cycling Winter Training Kit

4x Gel50

£10.00

Cycling Winter Training Kit

3x Styrkthon

£9.75

Cycling Winter Training Kit

1x SLT07

£9.99

2x 500ml Bottles

Free £9.98

£20 Gift Card

Free £20

Free gift card for your next purchase

UK Next Day Delivery

Free £3.99

Free Delivery

Total

£49.99 £90.21

Cycling Winter Performance Kit

(2000) 4.7 reviews

Cycling Winter Performance Kit is formulated from thousands of Styrkr customer shopping habits, designed to provide the perfect mix of carbs, hydration, and recovery essentials for your training rides, long sessions, and race prep — all at our best-ever price. Make every kilometre count: stay energised, recover faster, and enjoy unbeatable value.

Cycling Winter Performance Kit

£99.99 £215.94

Cycling Winter Training Kit

12x Bar50

£29.99

Cycling Winter Training Kit

Mix+ (25 Servings)

£29.99

Cycling Winter Training Kit

12x Gel50

£29.99

Cycling Winter Training Kit

1x SLT+ (30 servings)

£29.99

Cycling Winter Training Kit

12x Styrkthon

£34.99

2x 500ml Bottles

Free 9.98

Cycling Cap

Free 9.99

£50 Gift Card

Free £50

Free gift card for your next purchase

UK Next Day Delivery

Free £3.99

Free Delivery

Total

£99.99 £215.94

Choose your bundle

45% Off
Cycling Winter Training Kit Cycling Winter Training Kit Save £40.22
54% Off
Cycling Winter Performance Kit Cycling Winter Performance Kit Save £115.95

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Apple Cinnamon Caramel Sultana

Crisp Rice (24%), Glucose Syrup, Vegan Caramel (16%), Sultanas (11%), Apple Pieces (8%), Golden Syrup, Vegetable Oil, Sugar, Humectant: Glycerol, Gelling Agent: Agar, Salt, Emulsifier: Soy Lecithin, Vanilla Flavouring, Ground Cinnamon.

Styrkr Energy Bars : Caution: May contain traces of nuts.

Nutritional Value: Per 100g Per Serving (65g) %nrv
Energy (g)

1631 kJ

390 KCAL

1077kJ

257 KCAL

19.5

19.5

Fat (g) 8 5.3 11.4
Saturated (g) 1.6 1.1 2.3
Carbohydrate (g) 76.4 50.4 29.4
Sugars (g) 38.7 25.5 43
Fibre (g) 2.6 1.7 -
Protein (g) 2.6 1.7 5.2
Salt (g) 0.87 0.57 14.5

Dark Chocolate Chip

Crisp Rice (23%), Glucose Syrup, Dark Chocolate Chips (18%), Vegan Caramel (16%), Golden Syrup, Vegetable Oil, Sugar, Humectant: Glycerol, Cocoa Powder (2.5%), Gelling Agent: Agar, Salt, Emulsifier: Soy Lecithin, Vanilla Flavouring.

Styrkr Energy Bars : Caution: May contain traces of nuts.

Nutritional Value: Per 100g Per Serving (70g) %nrv
Energy (g)

1489 kJ

356 KCAL

1042kJ

249 KCAL

17.8

17.8

Fat (g) 12.1 8.5 17.3
Saturated (g) 4.1 2.9 20.5
Carbohydrate (g) 71.9 50.4 27.7
Sugars (g) 34.4 24.1 38.2
Fibre(g) 2.7 1.9 -
Protein (g) 3.5 2.5 7
Salt (g) 0.86 0.6 14.4

Date, Almond & Dark Chocolate

Crisp Rice (22%), Glucose Syrup, Vegan Caramel (16%), Dark Chocolate Chips (11%), Dates (6%), Almonds (5%), Golden Syrup, Vegetable Oil, Sugar, Humectant: Glycerol, Gelling Agent: Agar, Salt, Emulsifier: Soy Lecithin, Vanilla Flavouring.

Styrkr Energy Bars : Caution: Contains Nuts.

Nutritional Value: Per 100g Per Serving (72g) %nrv
Energy (g)

1587 kJ

379 KCAL

1143kJ

273 KCAL

18.9

18.9

Fat (g) 13.4 9.6 19.1
Saturated (g) 3.2 2.3 16
Carbohydrate (g) 70 50.4 26.9
Sugars (g) 34.8 25 38.7
Fibre (g) 2 1.4 -
Protein (g) 3.9 2.8 7.8
Salt (g) 0.86 0.62 14.4

MIX60

Maltodextrin, Fructose, L-Glutamine, Sodium (Sodium Chloride), Potassium (Potassium Chloride), Magnesium (Trimagnesium Citrate).

Styrkr MIX Drinks : Caution: May contain traces of nuts.

Nutritional Value

Per 100g

Per Serving (72g)

Energy

394kcal (1649KJ) 256kcal (1075KJ)

Fat (g)

0g

0g

Saturated (g)

0g

0g

Carbohydrates (g)

92.3g

60g

Sugars (g)

41g

27g

Fibre (g)

0g

0g

Protein (g)

0g

0g

Salt (g)

0.21g

0.14g

MIX90

Maltodextrin, Fructose, L-Glutamine, Sodium (Sodium Chloride), Potassium (Potassium Chloride), Magnesium (Trimagnesium Citrate).

Styrkr MIX Drinks : Caution: May contain traces of nuts.

Nutritional Value

Per 100g

Per Serving (95g)

Energy

1637 kJ 391 KCAL

1555 kJ 372 KCAL

Fat (g)

0g

0g

Saturated (g)

0g

0g

Carbohydrates (g)

95g

90g

Sugars (g)

42.6g

40.5g

Fibre (g)

0g

0g

Protein (g)

0g

0g

Salt (g)

0.21g

0.2g

MIX90 Caffeine+

Maltodextrin, Fructose, L-Glutamine, Sodium (Sodium Chloride), Potassium (Potassium Chloride), Caffeine, Magnesium (Trimagnesium Citrate).

Styrkr MIX Drinks : Caution: May contain traces of nuts.

Nutritional Value

Per 100g

Per Serving (95g)

Energy

1637 kJ 391 KCAL

1555 kJ 372 KCAL

Fat (g)

0g

0g

Saturated (g)

0g

0g

Carbohydrates (g)

95g

90g

Sugars (g)

42.6g

40.5g

Fibre (g)

0g

0g

Protein (g)

0g

0g

Salt (g)

0.21g

0.2g

GEL30

Water, Maltodextrin, Fructose, Pectin, L-Citrulline, L-Arginine, Natural Berry Flavouring, Stevia, Citric Acid, Trisodium Citrate, Potassium Sorbate.

Styrkr Gels : Caution: May contain traces of nuts.

Nutritional Value

Per 100g

Per Serving (72g)

Energy

744 kJ 178 KCAL

536 kJ 128 KCAL

Fat (g)

0.01g

0.01g

Saturated (g)

0g

0g

Carbohydrates (g)

41.7g

30g

Sugars (g)

18.5g

13.3g

Fibre (g)

0.24g

0.17g

Protein (g)

0.01g

0.01g

Salt (g)

0g

0g

GEL30 Nitro+

Water, Maltodextrin, Fructose, Pectin, Beetroot extract (6% Nitrate), Amaranthus leaf extract (9% Nitrate), Natural apple and blackcurrant flavourings, Stevia, Citric Acid, Trisodium Citrate, Potassium Sorbate.

Styrkr Gels : Caution: May contain traces of nuts.

Nutritional Value

Per 100g

Per Serving (72g)

Energy

204 kcal (854KJ)

147 kcal (615KJ)

Fat (g)

0.10g

0.07g

Saturated (g)

0.03g

0.02g

Carbohydrates (g)

41.7g

30g

Sugars (g)

19g

13.7g

Fibre (g)

0.33g

0.24g

Protein (g)

0.47g

0.34g

Salt (g)

0.04g

0.03g

GEL30 Caffeine+

Water, Maltodextrin, Fructose, Pectin, Natural Cola Flavouring, Caffeine, Stevia, Citric Acid, Trisodium Citrate, Potassium Sorbate.

Styrkr Gels : Caution: May contain traces of nuts.

Nutritional Value

Per 100g

Per Serving (72g)

Energy

744 kJ 178 KCAL

536 kJ 128 KCAL

Fat (g)

0.01g

0.01g

Saturated (g)

0g

0g

Carbohydrates (g)

41.7g

30g

Sugars (g)

18.5g

13.3g

Fibre (g)

0.24g

0.17g

Protein (g)

0.01g

0.01g

Salt (g)

0g

0g

SLT07

Citric acid, Sodium hydrogen carbonate (500mg sodium per tablet), Sodium carbonate (500mg sodium per tablet), Malic acid, Sorbitol, Potassium hydrogen carbonate, Inulin, Magnesium carbonate, Tricalcium phosphate, Red beet juice powder (red beet juice powder, maltodextrin), Sucralose, Flavourings, Riboflavin-5 ́-phosphate-sodium.

Styrkr SLT Electrolytes : Caution: May contain traces of nuts.

Nutritional Value mg %nrv
Sodium 1000 43.48
Potassium 100 2.86
Magnesium 25 6.66
Calcium 15 1.5
GLUTEN-FREE
Athlete Approved
NON-GMO
VEGAN
  • "A top choice for endurance activities, delivering 1000mg of sodium with a refreshingly light citrus flavour." - SLT07

  • "Unequivocally one of the best-tasting energy bars we've tried. A marshmallowy texture with 50g of carbs for fast, easily digestible energy."- Bar50

  • "I found them hearty yet not stodgy or difficult to digest, so I can see why riders like Chris Hall enjoy them." - Bar50

  • "50g of chewy, crunchy carbs in a light bar—tasty energy without the effort."
    Bar50

  • "Their effervescent tablets designed to stop muscle cramp that are sugar- and preservative-free." - SLT07

  • "A digestion-friendly, plant-based energy bar that’s tasty, chewy, and perfect for mid-race fuel." – Bar50

  • "Fast-dissolving, light, and fresh with no powdery residue—ideal for hydration pre-, during, and post-run."SLT07

Your Journey. Our Fuel. One Community.

From everyday training sessions to big race days, our community shows what’s possible with the right support. Watch, get inspired, and join the movement.

Optimised Nutrition for Peak Endurance

Our expert-crafted formula fuels your body when it matters most. With fast-absorbing and sustained-release carbs, you get steady, reliable energy - no crashes, no burnouts, just lasting endurance.

Fuel That Lasts. Energy That Wins.

Fuel That Lasts. Energy That Wins.

Endurance is about lasting longer. Our fast-absorbing, sustained-release carbs keep you fuelled with steady energy -no crashes.

Sustained Energy

Carbohydrates are the body's primary fuel source for endurance, providing fast-absorbing energy to sustain performance and delay fatigue when it matters most.

Maltodextrin
Maltodextrin

Rapidly absorbed carbohydrate for sustained energy.

Fructose
Fructose

Enhances carbohydrate uptake when paired with maltodextrin in a 1:0.8 ratio.

Stay Hydrated. Stay Unstoppable.

Stay Hydrated. Stay Unstoppable.

Dehydration kills performance. Our electrolyte blend replenishes what you sweat out, keeping you strong, focused, and cramp-free.

Relentless Hydration

Electrolytes replenish, rehydrate, and keep your muscles firing - so you can push harder for longer.

Sodium
Sodium

Essential electrolyte for hydration and muscle function.

Potassium
Potassium

Supports nerve function and muscle contractions, reducing cramping.

Magnesium
Magnesium

Aids muscle recovery and helps prevent fatigue.

Calcium
Calcium

Supports muscle function, nerve signalling, and endurance performance.

Powerful, Proven Ingredients

Powerful, Proven Ingredients

Styrkr fuels performance with fast carbs, essential electrolytes, and endurance-boosting nitrates for peak hydration and energy.

Added active ingredients

Key ingredients to boost performance, enhance endurance, and support hydration.

Caffeine
Caffeine

Provides an endurance-boosting energy kick.

L-Glutamine
L-Glutamine

Supports muscle repair, reduces fatigue, and speeds up recovery.

L-Citrulline
L-Citrulline

Improves blood flow, reduces fatigue, and enhances endurance.

Nitrates
Nitrates

Boosts oxygen use to improve stamina and reduce fatigue.

Optimised Fuel Ratio

Optimised Fuel Ratio

Our 1:0.8 maltodextrin-to-fructose blend optimises carb absorption and speeds up digestion for sustained energy - no gut discomfort, just pure endurance fuel.

Efficient Energy Delivery

A precise 1:0.8 maltodextrin-to-fructose ratio enhances carbohydrate oxidation rates, allowing the body to absorb and utilise more energy per hour without causing gastrointestinal distress.

Quick-release energy
Quick-release energy

Contains dual-source carbs, maltodextrin and fructose, for fast energy and easy digestion.

Easy on the gut
Easy on the gut

pH-balanced with an optimal 1:0.8 dual-carb ratio, minimising gut discomfort compared to 1:1.25 and 2:1 ratios.

Go the distance
Go the distance

L-glutamine reduces blood ammonia buildup during exercise, helping to delay fatigue and keep you going.

Support Your Body When Training, Racing, and Recovering.

Training

Fuel up, fire up. Fast-absorbing carbs and essential nutrients power your body to train harder, push further, and stay sharp from the first rep to the last.

Racing

No limits. No crashes. Science-backed hydration and endurance fuel keep you going stronger for longer—so you can race at your best, every time.

Recovering

Refuel. Rebuild. Recharge. Essential nutrients and muscle-repairing compounds help you bounce back faster, ready to go again.

Developed by nutritionists & approved by athletes

Designed by leading nutritionists and tested by elite athletes, STYRKR fuels every ride, run, and race with precision-formulated performance nutrition—so you can go further, faster, and stronger.

We work with leading sports scientists and endurance athletes to develop and refine every STYRKR formula. Backed by cutting-edge research and rigorous testing, our products are engineered to deliver peak performance when it matters most. The result? A fuel system designed for real athletes, in real conditions—so you can push harder, longer, and stronger.

Only the best fuel delivers the best results. STYRKR sources high-quality, easily absorbed ingredients to ensure your body gets exactly what it needs—nothing more, nothing less. Every formula is designed for peak performance, giving you clean, effective energy without compromise.

STYRKR products are crafted to the highest standards in state-of-the-art facilities, ensuring consistency, safety, and peak performance in every batch. We leave nothing to chance—every formula undergoes rigorous testing, so you get reliable, high-quality fuel every time.

Every STYRKR product undergoes rigorous third-party testing to ensure what's on the label is exactly what's in the product—nothing more, nothing less. Free from banned substances and contaminants, our fuel is safe, clean, and trusted by athletes at every level.

30 day money back guarantee

We set the bar for quality

We believe in our products so much we offer a 30 day money back guarantee on everything we sell. If this product doesn’t meet your expectations, you can return it to us for a refund. Simply get in touch with us!

Recommended by Top Athletes

We have a growing worldwide roster of multi-discipline athletes who use our products during training and in competition. We know our products make a difference, because they use them when it matters most.

  • Lionel Sanders
    Lionel Sanders Professional Triathlete

    "I look forward to my Styrkr Bar. Every. Single. Day"

  • Imo Boddy
    Imo Boddy World Record Holder and Ultra Endurance Athlete

    "Dialing in my nutrition has been a huge focus over the past year, and Styrkr has always been a brand I’ve naturally gravitated towards—their products work brilliantly for me, and I love what they stand for."

  • Tom Joly
    Tom Joly Ultra Endurance Athlete

    "STYRKR’s high-carb products let me push further—11 gels (550g) in one bottle might just be a record! Pure endurance fuel."

  • Ed Laverack
    Ed Laverack Performance Cyclist

    "I’ve been able to surpass my expectations in my endurance challenges this year because I’ve been able to trust and rely on my fuel. There is little doubt that strategic on-demand fuelling has transformed my performances at events like the 290km+ Dragon Ride and the Tour de Mont Blanc."

  • Chris Hall
    Chris Hall Endurance Cyclist

    "Styrkr's energy bars are a tasty and convenient addition to my adventure arsenal. They provide fast carbs and are easy to carry – a must-have for my challenges!"

Real results, real people

Kickstart your new go-to routine!

Get your Styrkr Welcome Kit

FAQs

Using Styrkr is a straightforward process, thanks to our comprehensive fuelling guides, strategies, and clear directions available on our packaging and website. These resources are designed to ensure you make the most of your Styrkr products and reform your performance.

Styrkr fuels offer a range of flavours to suit various preferences:

  • Drink Mixes: Our mixes feature a neutral flavour, making them versatile for blending with other ingredients.
  • Hydration Salts: Enjoy a mild berry flavor when using our salt products.
  • Energy Gels: Our gels are natural and fruity, providing a delicious and refreshing taste during your workouts.
  • Energy Bars: Styrkr bars are renowned for their exceptional flavours, making them a delectable choice for athletes seeking a tasty yet nutritious snack.

Styrkr is the ideal choice for athletes of all levels who aspire to elevate their performance. Whether you're a seasoned pro or just starting your athletic journey, Styrkr offers a holistic solution for endurance sports. Our products are tailored to help you perform at your best, providing the support you need to reach your goals, regardless of your current fitness level.

At Styrkr, quality and safety are paramount. Our products undergo stringent testing processes akin to those employed by Informed Sport to guarantee their safety for athletes. These tests encompass examinations for microbiological contaminants, heavy metals, and other product-specific evaluations.

We're committed to delivering only the highest quality products to our customers!

Tracking your usage can unlock a range of benefits for your athletic performance. By incorporating Styrkr into your routine, you can expect:

  • Improved Performance: Styrkr fuels are formulated to enhance your overall athletic performance.
  • Prevention of Common Issues: Styrkr aids in preventing common problems associated with endurance sports, such as reduced lag, fatigue, bonking, and cramping.
  • Increased Energy: Styrkr products provide you with a sustained source of energy, helping you push through your workouts and competitions with vigor.
  • Enhanced Stamina: With Styrkr, you'll experience improved stamina, allowing you to push your boundaries and smash those PBs!

In a nutshell, Styrkr fuels are your gateway to better personal records and overall performance enhancement.

Styrkr sets itself apart from the competition in several ways:

  • Plasma-tech: Styrkr products incorporate specific active components strategically designed to increase your output while reducing input, enabling you to go further and faster for longer durations.
  • Dual Source Carbohydrates: Our fuels contain dual source carbohydrates that are gentle on the stomach, minimizing digestion-related issues commonly experienced during endurance activities.
  • Endurance Athlete-Approved: Styrkr products are created and rigorously tested by endurance athletes who understand the unique needs of their fellow athletes. This ensures that our fuels are tailored to meet the demands of endurance sports effectively.