10 Best Intra Workout in The UK

Last updated on 09/08/2025

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Best Choice

9.8

Exceptional

Reflex

Reflex Nutrition BCAA Intra Fusion Intra Workout 10g BCAA's per serving 5g L-Glutamine Vitamin B6 (Watermelon) (400g)

Why We Love It

Promotes muscle growth and maintenance.
Manufactured in quality assured facility.
Suitable for vegetarian consumption.

Main Highlights

BCAA Intra Fusion is an intra-workout product delivering a high-level of Branched Chain Amino Acids, L-Glutamine, Vitamin B6, Potassium, Magnesium, Zinc and Selenium.
BCAA Intra Fusion is for anyone who frequently exercises and is looking for an intra-workout product in order to take full advantage of Branched Chain Amino Acids to grow and maintain muscle mass. It's also suitable for vegetarians.
10g BCAA's per serving, 5g L-Glutamine per serving, Vitamin B6
About 35% of muscle protein is comprised of BCAAs, so it is important to have enough available in your body when you are trying to gain and/or maintain muscle.
Manufactured on an INFORMED SPORT registered facility, Suitable for vegetarians, Made on a Halal certified site

BSN Nutrition Amino X Supplement with Vitamin D, Vitamin B6 and Amino Acids, Fruit Punch Flavour, 70 Servings, 1 kg

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Why We Love It

Boosts energy, reduces fatigue.
Promotes muscle growth.
Delicious, sugar-free options.

Main Highlights

BSN Nutrition Amino X powder – an easy-mix formula packed with 10 g of amino acids (BCAAs) in each serving to allow you to push your limits with every workout
Intra Workout supplement delivers branch chainamino acids, with added Vitamin B6 to help decrease fatigue and tiredness levels while supporting energy-yielding metabolism*
This -nutrient amino acids supplement contains no sugars or caffeine
Intra workout formula for athletes and bodybuilding supplement in 7 tasty flavours: mix 1 level scoop into 225 ml of cold water
*Amino acids are protein-building blocks while protein promotes muscle growth.Vitamin B6 helps to reduce tiredness and fatigue, Source: Commission Regulation (EU) No 432/2012 of 16 May 2012 DESCRIPTION

USN Complete Amino & EAA Intra Workout Powder, Apple Flavour - 400g, Vegan Energy Drink, Premium BCAA Amino Acids & Glutamine Recovery Drink, High Impact Pre Workout & Post Workout Shake

26% OffFree Shipping

Why We Love It

Optimized Amino Acids content.
Low sugar, high nutrition.
Vegan-friendly workout supplement.

Main Highlights

USN BCAA powder + Amino Acids: One serving of this Amino Acids powder contains 6,500mg of essential Amino Acids, for optimum nutrition, and 2,750mg of L-Leucine plus Vitamin B6 to support metabolism
Premium women's and men's supplements: USN diet supplements offer proven benefits, when taken alongside a balanced diet and healthy lifestyle. Always consult a healthcare professional first
Great tasting intra workout powder: Ideal for use around training sessions, giving vital Amino Acids to working muscles. Glutamine and BCAA in this refreshing recovery drink gives you that extra edge
Vegan supplement: 30 servings of tasty flavoured drink powder to support your bulk or workout. Contains BCAA, made with all vegan-friendly ingredients. Easy to mix and can be enjoyed at anytime of day
Ultimate Sports Nutrition: USN are at the forefront of sports nutrition research, making effective sports nutrition supplements for professional and non-professional athletes, pre or post workout

Applied Nutrition Bundle Carb X 1.2kg + Lifestyle Water Bottle 1000ml | Cyclic Dextrin Carbohydrate Powder, Intra Workout Carb Powder, Fuel Training, Quick Source of Energy, Vegan (Fruit Burst)

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Why We Love It

Optimal for workout recovery.
Quick absorption for energy.
Vegan, vegetarian and gluten-free.

Main Highlights

FUEL FOR TRAINING: Carbohydrate supplements are the ideal choice for intra-workout powders. The Carb X maltodextrin powder is packed full of highly branched cyclic dextrin, combining carbohydrate powder with dextrose powder for a carb drink to keep you going through training.
RECOVER POST-WORKOUT: After you’ve finished your workout, your body needs carbohydrate supplements in order to refuel. Cyclic dextrin is designed to repair and recharge your muscles, tissue and energy to decrease the risk of injuries.
HIGHLY SOLUBLE CARBOHYDRATES: For an easily digestible carb drink powder, you need something with a highly soluble structure, like the Carb X Applied Nutrition carb supplement. When a powder is highly soluble, it absorbs into your system sooner and gets to work faster.
VEGAN, VEGETARIAN AND GLUTEN-FREE: The Carb X carbohydrate supplement dextrose powder is 100% vegan, vegetarian, and gluten-free. We care about our consumers so we guarantee our products are cruelty-free so you can train guilt-free and without the damaging effects of gluten.
TESTED FOR ATHLETES: All Carb X carbohydrate supplements are tested on real athletes in real conditions to ensure they can keep up with your performance and demands.

Applied Nutrition BCAA Powder - Branched Chain Amino Acids BCAAs Supplement, Amino Hydrate Intra Workout & Recovery Energy Drink (450g - 32 Servings) (Fruit Burst)

23% OffFree Shipping

Why We Love It

Boosts high intensity workouts.
Aids in speedy recovery.
Trusted by elite athletes.

Main Highlights

High-Intensity Workout Boost: Power through intense exercise with our BCAA powder. Designed for bodybuilders, powerlifters, athletes, and fitness enthusiasts, it provides essential amino acids that help you sustain energy and enhance muscle endurance during high-intensity exercise and workouts.
Enhanced Recovery: Our BCAA powder is perfect for post-workout recovery. It helps replenish vital electrolytes and salts lost during exercise, and the added Citrulline aids in flushing out harmful substances, ensuring optimal recovery and reduced muscle soreness.
Maximised Muscle Hydration: Experience superior muscle hydration with our BCAA powder. Infused with a balanced blend of electrolytes, it ensures your muscles stay hydrated and perform at their best during even the most intense workouts, reducing the risk of cramps and fatigue.
Quick and Efficient Absorption: Our BCAA powder is formulated for rapid absorption, delivering essential nutrients quickly to your muscles. This fast-acting formula helps you stay energised and focused, allowing you to push harder and recover faster, making every workout count.
Tested For Athletes: Batch tested by Informed-Sport to meet the highest standards, ensuring top-quality nutrition for elite performance. This ensures that you are only putting the best in your body to fuel your workout.

Applied Nutrition Carb X Highly Branched Cyclic Dextrin Carbohydrates, Intra & Post Workout Carbs Powder, Fuel Training & Recovery, Vegan, Gluten Free, Sugar Free, 1.2kg 48 Servings (Orange Burst)

23% OffFree Shipping

Why We Love It

Fuel for intense training.
Quick muscle recovery boost.
Tested by real athletes.

Main Highlights

FUEL FOR TRAINING: Carbohydrate supplements are the ideal choice for intra-workout powders. The Carb X maltodextrin powder is packed full of highly branched cyclic dextrin, combining carbohydrate powder with dextrose powder for a carb drink to keep you going through training. Carb X provides 24g of carbs per serving with 0g fat.
RECOVER POST-WORKOUT: After you’ve finished your workout, your body needs carbohydrate supplements in order to refuel. Cyclic dextrin is designed to repair and recharge your muscles, tissue and energy to decrease the risk of injuries.
HIGHLY SOLUBLE CARBOHYDRATES: For an easily digestible carb drink powder, you need something with a highly soluble structure, like the Carb X Applied Nutrition carb supplement. When a powder is highly soluble, it absorbs into your system sooner and gets to work faster.
VEGAN, VEGETARIAN AND GLUTEN-FREE: The Carb X carbohydrate supplement dextrose powder is 100% vegan, vegetarian, and gluten-free.
TESTED FOR ATHLETES: All Carb X carbohydrate supplements are tested on real athletes in real conditions to ensure they can keep up with your performance and demands.

Applied Nutrition Amino Fuel - Amino Acids Supplement, EAA Essential Amino Acids Powder, Muscle Fuel & Recovery (390g - 30 Servings) (Fruit Burst) (New)

12% OffFree Shipping

Why We Love It

Supports muscle development effectively.
Available in four delicious flavors.
Ideal for busy athletes.

Main Highlights

Versatile Daily Use for All Fitness Goals – Designed to support all types of training, from bodybuilding and endurance to functional fitness. Perfect for use before, during, or after workouts to stay fuelled, hydrated, and ready to perform.
Advanced EAA Formula for Muscle Recovery – Delivers 11g of total amino acids per serving, including 9g of essential amino acids (EAAs) and 6g of BCAAs to support muscle repair, endurance, and post-workout recover
Intra-Workout Hydration Support – Includes essential electrolytes to help replenish minerals lost through sweat, supporting hydration and sustained performance during intense training.
Zero Sugar and Light Tasting – Naturally refreshing with zero sugar, zero fat, and no unnecessary calories. Easy to mix, light on the stomach, and ideal for use before, during, or after training.
Enhanced with Glutamine and B-Vitamins – Contains 2g of L-Glutamine plus Vitamin B6 and B12 to aid energy metabolism, reduce fatigue, and promote muscle maintenance throughout your workouts.
Trusted by Athletes Worldwide – Vegan-friendly, halal certified and Informed-Sport tested for banned substances. Backed by elite athletes and formulated to meet the highest quality standards.

Optimum Nutrition Gold Standard BCAA Train + Sustain, Amino Acids Pre Workout Powder, Sports Drink with Vitamin C, Zinc, Magnesium and Electrolytes, Raspberry & Pomegranate Flavour, 28 Servings, 266 g

31% OffFree Shipping

Why We Love It

Boosts immunity and reduces fatigue.
Includes essential electrolytes and vitamins.
Easy preparation and great taste.

Main Highlights

Optimum Nutrition Gold Standard BCAA Train + Sustain for FATIGUE REDUCTION* and IMMUNE SUPPORT** ; a delicious and refreshing intra -workout shake
ON Gold Standard BCAA Train + Sustain contains 374 mg of ELECTROLYTES, 200 mg of RHODIOLA and 2.6 g of L-Leucine in each serving plus 5 g of BCAAs in a 2:1:1 ratio
Includes Vitamin C and zinc to support the normal function of the immune system**
A combination of carefully selected ingredients including magnesium to support the reduction of tiredness and fatigue*
Available in 5 great tasting varieties; to prepare, add 2 rounded scoops of powder to 350 ml of cold water, mix, and serve
*Vitamin C and magnesium contribute to the reduction of tiredness and fatigue
**Vitamin C and zinc contribute to the normal function of the immune system
*Source: Official Journal of the European Union - COMMISSION REGULATION (EU) No 432/2012 of 16 May 2012

DY Nutrition HIT BCAA 10:1:1 (Orange) with L-Citrulline Malate, Beta Alanine + 12g of Branch Chain Amino Acids 400g Powder, 20 Servings - Optimal Pump & Performance | Non Stim Pre & Intra Workout

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Why We Love It

Intense training support guaranteed.
Enhanced focus for better workouts.
High quality, GMP certified formula.

Main Highlights

Created for intense training: HIT BCAA 10:1:1 is a unique formula that contains a whopping 12 grams of Branched Chain Amino Acids per serving in an enhanced 10:1:1 ratio. Designed to minimize tissue breakdown during training and enhance recovery time between sets.
NOT A Normal BCAA Powder: We’ve taken this further than your average BCAA supplement by adding in Citrulline Malate, Beta-Alanine and L-Tyrosine for improved focus performance and allowing you to get the most out of your workouts.
10g of L-leucine Per Serving: Designed to minimise tissue breakdown during training and enhance recovery time between sets, our HIT BCAA is the ultimate intra workout BCAA supplement. With a whopping 10 grams of L-leucine per serving its time to fuel your training sessions and prevent the excessive breakdown of this vital amino acid.
Unrivalled Formulation: Ignite laser-like focus with 5g of L-Tyrosine for enhanced focus and improved mind-muscle connection.
Quality Assured, GMP Certified: Rest easy knowing our BCAA 10:1:1 High intensity training branch chain amino acid powder is produced to the highest quality standards and GMP certified.

Grenade BCAA Intra Workout Powder Zero Sugar Drink packed with Amino Acids including B-Vitamins, Magnesium & Glutamine (30 Servings) - Strawberry Mango, 390 g (Pack of 1)

5% OffFree Shipping

Why We Love It

Supports muscle function.
Zero sugar content.
Insanely fruity flavor.

Main Highlights

HIGH IN BCAA: 7 grams BCAA in a 2:1:1 ratio, with added B-Vitamins, Magnesium, Glutamine & Coconut Water Powder
FRUITY COMBO: A light, refreshing combination of Strawberry and Mango to deliver a seriously fruity tasting drink
NATURAL INGREDIENTS: Made with a blend of natural essential amino acids, our BCAA helps support muscle function & electrolyte balance, all with zero sugar
HOW TO USE: Add 1 level scoop of powder (13g) to 500ml of water, during or after high intensity exercise. Can also be consumed throughout the day
INFORMED SPORT CERTIFIED: Certified with the Informed Sport Programme and therefore suitable for use by drug tested athletes and military personnel - every batch tested for banned substances. Also suitable for Vegans.

8.7

Excellent

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We scanned 1913 products

We reviewed these offers relevant to the Intra Workout within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Reflex, BSN, USN, Applied Nutrition, Optimum Nutrition, DY Nutrition, Grenade, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Intra Workout in the market, we considered we took a deep dive into 9566 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Reflex Nutrition BCAA Intra Fusion Intra Workout 10g BCAA's per serving 5g L-Glutamine Vitamin B6 (Watermelon) (400g). We love many things about this product by Reflex. What sets it apart from the competition is Promotes muscle growth and maintenance, Manufactured in quality assured facility, Suitable for vegetarian consumption.
The best value product for most shoppers and where user satisfaction is continuously the highest is BSN Nutrition Amino X Supplement with Vitamin D, Vitamin B6 and Amino Acids, Fruit Punch Flavour, 70 Servings, 1 kg by BSN based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Intra Workout and the best cost-to-value ratio is Optimum Nutrition Gold Standard BCAA Train + Sustain, Amino Acids Pre Workout Powder, Sports Drink with Vitamin C, Zinc, Magnesium and Electrolytes, Raspberry & Pomegranate Flavour, 28 Servings, 266 gat Optimum Nutrition with a 31% discount.
Our list of the best Intra Workout is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Intra Workout in The UK

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We scanned 1913 products

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