-13% sale
Foundation Whey Protein - 908g
Foundation Whey Protein - 908g £28.99 £32.99
Elevate your fitness journey with Foundation Whey Protein—the ultimate fuel for muscle growth and recovery. Each 30g serving delivers 21g of premium protein, sourced exclusively from milk, to support the growth and maintenance of lean muscle mass. Ideal for post-workout recovery or as a convenient way to boost your daily protein intake, Foundation is your go-to supplement for building a stronger, more resilient body.
-16% sale
Creatine Monohydrate - Unflavoured
Creatine Monohydrate - Unflavoured £16.99 £19.99
Elevate your performance with our pure Creatine Monohydrate powder. Each serving of 5 grams delivers a potent dose of 100% Creatine Monohydrate, designed to enhance your strength, power, and muscle growth. With 60 servings per container, this product is perfect for athletes and fitness enthusiasts seeking a reliable and effective supplement to support their training goals. Key Features: Serving Size: 5g (one scoop) Servings Per Container: 60 Main Ingredient: Creatine Monohydrate Amount Per Serving: 5g Amount Per 100g: 100g Our Creatine Monohydrate is free from allergens, ensuring it's suitable for a wide range of diets and preferences. With a simple, clean formulation, this product is an excellent addition to any supplement regimen, helping you push past your limits and achieve your fitness aspirations. Feel the difference with every scoop and take your performance to the next level.
-15% sale
BCAA - 300g
BCAA - 300g £21.49 £24.99
Our BCAA blend delivers a powerful 6:1:1 ratio of branch chain amino acids, making it an ideal supplement for athletes and gym-goers looking to enhance muscle recovery, endurance, and overall performance during workouts. With 3g of L-Leucine, 1.5g of L-Glutamine, and balanced amounts of L-Isoleucine and L-Valine, this blend supports muscle repair and reduces fatigue, ensuring you can push through intense sessions. Designed as an intra-workout formula, this supplement helps fuel your body with essential amino acids and taurine, promoting sustained energy and muscle protection. Whether you’re lifting heavy weights or engaging in endurance training, our BCAA blend is your go-to choice for maintaining peak performance and speeding up post-workout recovery.
-16% sale
L-Glutamine - 300g
L-Glutamine - 300g £16.99 £19.99
Introducing Muscle Flex Nutrition’s pure L-Glutamine supplement – the perfect addition to your post-workout routine. Packed with 5g of high-quality L-Glutamine per serving, this supplement helps fuel muscle recovery, support immune function, and maintain overall gut health. L-Glutamine plays a key role in reducing muscle soreness after intense workouts, making it an ideal choice for athletes and fitness enthusiasts aiming to optimize recovery and performance. With 60 servings per container, it offers a long-lasting, cost-effective solution for anyone looking to enhance their training results.
-26% sale
Creatine Capsules
Creatine Capsules £14.99 £19.99
-43% sale
Sustain - Vegan Protein 908g
Sustain - Vegan Protein 908g £14.99 £25.99
Sustain Plant Protein Blend by Muscle Flex Nutrition is a high-quality, plant-based protein powder designed to fuel your recovery and boost muscle growth. With a powerful combination of Soy Protein Isolate and Pea Protein Isolate, Sustain delivers 22.5g of protein per serving, supporting your fitness goals naturally. Low in fat and sugar, this protein blend is perfect for athletes, gym-goers, and anyone seeking a nutritious, dairy-free option. Enjoy easy mixing, delicious flavor, and clean, sustained energy. Fuel your body with Sustain – the plant-powered protein solution.
-12% sale
The Berry Bundle
The Berry Bundle £114.99 £129.99
Introducing the Berry Bundle from Muscle Flex Nutrition – the ultimate supplement stack designed for serious fitness enthusiasts and athletes. Developed by Jon Berry of JB Coaching, a competitive bodybuilder and expert coach, this bundle is tailored to support your training goals with premium-quality products that promote muscle growth, recovery, and joint health. What's in the Berry Bundle? 2 Foundation (Whey Protein): Get the essential fuel your body needs with 21g of high-quality protein per serving. Foundation is perfect for supporting muscle repair and growth, available in a variety of delicious flavours that make recovery enjoyable. 1 Creatine Monohydrate: Enhance your strength and power with pure creatine. This ingredient helps replenish your energy reserves, improving performance in high-intensity workouts and aiding in muscle gains. 1 L-Glutamine: Support muscle recovery and reduce soreness with L-Glutamine, a key amino acid that helps maintain muscle tissue and strengthen the immune system after intense training. 1 BCAA (Branched-Chain Amino Acids): Optimize muscle protein synthesis and reduce exercise-induced fatigue with our BCAA supplement. It includes leucine, isoleucine, and valine to help improve muscle recovery and performance. 1 Relief (Joint Aid): Keep your joints in peak condition with Relief, a specially formulated joint health supplement. Designed to help reduce discomfort and promote joint flexibility, this product is essential for maintaining an active lifestyle. Why Choose the Berry Bundle? Jon Berry, a competitive bodybuilder and experienced coach, crafted this bundle to cater to the needs of those who are serious about their fitness journey. Whether you’re lifting heavy, training for competitions, or just looking to maximize your results in the gym, the Berry Bundle is your comprehensive solution for muscle growth, recovery, and joint support. Benefits of the Berry Bundle: Boosts muscle growth and repair with high-quality protein. Increases strength, power, and performance with creatine. Supports recovery and reduces soreness with L-Glutamine. Enhances muscle protein synthesis with BCAA. Promotes joint health and flexibility with Relief. Who Is It For? This bundle is perfect for bodybuilders, athletes, and fitness enthusiasts who need a complete supplementation plan to support their training and recovery. Whether you’re aiming to build muscle, recover faster, or keep your joints in top shape, the Berry Bundle has you covered. Experience the Difference: Trust in the expertise of Jon Berry and the premium quality of Muscle Flex Nutrition products. Elevate your fitness routine with the Berry Bundle and feel the results in every rep, set, and training session. Order Your Berry Bundle Today and take the first step toward a stronger, healthier, and more resilient body.
-26% sale
Enhance
Enhance £14.99 £19.99
Mutant Stack
Mutant Stack £75.00
Designed by Rob Harriss | Built for the Hardcore   The Mutant Stack is not for the average gym-goer — it’s for the relentless. Designed by elite bodybuilder Rob Harriss, this brutal combination of Muscle Flex products is engineered to fuel insane energy, unshakable focus, and monstrous muscle growth.     🧬 What’s Inside:     Foundation Whey (1x) – Premium whey protein for fast recovery and lean muscle gain Rampage Pre-Workout (1x) – Aggressive energy, laser-sharp focus, and skin-splitting pumps Evolution Pre-Workout (1x) – Our high-performance formula for max endurance and drive BCAA (1x) – Essential aminos to boost recovery, fight fatigue, and preserve muscle       🧢 Why Choose The Mutant Stack?     Perfect for intense lifters chasing real, visible results Hand-selected by Rob Harriss for optimal synergy and impact Delivers fuel for training, recovery, and muscular domination       🔥 Launch Price:  £75     Unleash your inner mutant. This stack doesn’t whisper — it roars.
-19% sale
Beginner
Beginner £64.97 £79.99
The Muscle Flex Beginner Bundle is your ultimate starter pack, designed to lay a solid foundation for those just stepping into the world of fitness. This bundle includes three essential products that provide optimal support for muscle growth, hydration, and recovery: Foundation Whey Protein, Refresh Electrolyte Hydration, and Creatine Monohydrate. Foundation Whey Protein fuels lean muscle gains with high-quality protein, aiding in faster recovery post-workout. Refresh keeps you energized and hydrated with essential electrolytes, combating muscle cramps and dehydration. Finally, Creatine Monohydrate enhances strength and endurance, allowing you to train harder and longer from day one. This expertly curated bundle is designed to give you a complete start, supporting strength and endurance as you build your fitness journey. Make the most of your training sessions and set yourself up for success with the Beginner Bundle—your essentials for building a stronger, healthier you!
-25% sale
Intermediate
Intermediate £75.99 £99.99
Are you ready to feel stronger, train harder, and see your hard work pay off? The Intermediate Bundle by Muscle Flex is meticulously crafted to elevate your workout experience, fuel your passion, and bring you closer to your fitness goals. This powerful combination of Rampage Pre-Workout, Foundation Whey Protein, Refresh Electrolyte Blend, and Creatine Monohydrate offers everything you need to step up your game, see noticeable results, and recover faster. Imagine walking into the gym with unstoppable energy and focus. Rampage, our high-intensity pre-workout, gives you the edge to conquer every set with confidence. Feel your muscles power through each rep and set with the additional strength boost provided by Creatine Monohydrate—a scientifically proven ingredient trusted by athletes worldwide. When the workout’s over, don’t just recover; rebuild and strengthen with Foundation Whey Protein, crafted to give your muscles the quality protein they crave. Stay refreshed and recharged throughout with Refresh Electrolyte Blend, which keeps your hydration in check and boosts endurance to keep you going longer. With the Intermediate Bundle, every workout session becomes an opportunity to excel. Whether you're working on building muscle, enhancing endurance, or improving recovery, this bundle supports every aspect of your training journey. Make today the day you take the leap—transform your workouts and elevate your results with the Intermediate Bundle from Muscle Flex!
-23% sale
Advanced
Advanced £139.99 £179.99
Step up to the elite level with our Advanced Bundle—the ultimate collection of essential supplements crafted to take your workouts and recovery to their highest potential. If you're ready to reach new levels of strength, endurance, and recovery, this bundle has everything you need for total support, from intense workouts to optimal rest. Why Choose the Advanced Bundle? Powerful Pre-Workouts: Fuel each training session with Rampage and Evolution. These pre-workouts are designed to unleash raw energy, maximize muscle pumps, and drive your endurance, setting you up to push harder than ever before. Optimal Muscle Recovery & Growth: Foundation whey protein and BCAA together work to accelerate muscle repair and support lean muscle gain, ensuring you’re ready to perform at your best every day. Essential Hydration & Muscle Fuel: Stay hydrated and replenish critical nutrients with Refresh, an advanced electrolyte blend. Creatine Monohydrate supports enhanced strength and stamina, giving you the edge to break through performance plateaus. Enhanced Rest & Joint Health: After a tough workout, recovery is key. Hypnos promotes restful sleep and recovery, allowing your body to recharge fully, while Relief keeps your joints in top shape, so you can train consistently and confidently. With each element of the Advanced Bundle, you’re not just fuelling your body—you’re fortifying it, preparing it, and pushing its limits. For seasoned athletes or anyone seeking to make serious gains, this bundle provides unmatched support for peak fitness. This bundle is crafted for those who live to train, perform, and achieve. It’s your all-in-one solution to master advanced training goals. Embrace the intensity. Achieve greatness with the Advanced Bundle.

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