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Applied Nutrition Leucine 4K


In stock

Applied Nutrition Leucine 4K is pure power in a capsule, providing high-quality L-Leucine for muscle support and recovery.

Elevate your workouts and enhance protein synthesis with this premium amino acid supplement.

  • Free UK & Ireland shipping on orders over £50

  • Order before 3:00pm for same day processing

In stock

Brand of the month - 10% off Applied Nutrition

In stock

Brand of the month - 10% off Applied Nutrition

Product Description:

Product Description:

Applied Nutrition Leucine 4K

Applied Nutrition presents Leucine 4K, a cutting-edge amino acid supplement designed to amplify your muscle-building potential. Featuring pure L-Leucine, this powerhouse supplement is formulated to support muscle recovery, enhance protein synthesis, and elevate your overall athletic performance.

Why Choose Applied Nutrition Leucine 4K?

  • Muscle Support and Recovery: L-Leucine is well-known for its role in promoting muscle protein synthesis, a key process in muscle repair and recovery. By supplying your muscles with this essential amino acid, Leucine 4K supports faster recovery after intense workouts.
  • Enhanced Protein Synthesis: Protein synthesis is essential for building and repairing muscle tissues. Leucine is a primary activator of the mTOR pathway, a critical regulator of protein synthesis. Leucine 4K provides the necessary fuel to enhance this process, aiding in the development of lean muscle mass.
  • Optimal Muscle Growth: As a vital component of the BCAA group, Leucine is integral to optimal muscle growth. Leucine 4K empowers your muscles with the purest form of L-Leucine, helping you achieve your desired muscle-building goals.
  • Supports Endurance and Strength: Beyond its role in muscle growth, Leucine is implicated in enhancing endurance and strength. By fueling your muscles with Leucine 4K, you’re providing the necessary support for prolonged workouts and improved athletic performance.
  • Convenient Capsule Form: Leucine 4K comes in easy-to-take capsule form, allowing you to incorporate it seamlessly into your daily routine. Take it with water or your preferred beverage, and experience the benefits of pure L-Leucine without any hassle.

Applied Nutrition is committed to delivering premium supplements that empower individuals on their fitness journeys. Leucine 4K is a testament to this commitment, offering pure L-Leucine to support muscle growth, enhance recovery, and optimize performance. Elevate your workouts and maximize your gains with Leucine 4K—a potent addition to your muscle-building arsenal.

Serving Size: 6 Capsules – Servings Per Container: 30

Ingredient Amount Per Serving %DV
L-Leucine 4000 mg **

How to use Applied Nutrition Leucine 4K:

  1. Consume 1-2 servings daily preferably with food.
  2. For optimal results on training days consume one serving 45 minutes prior to exercise and one serving post exercise.

Applied Nutrition Leucine 4K Ingredients:

  • L-Leucine: Leucine is a branched-chain amino acid (BCAA) that plays a crucial role in muscle protein synthesis. Applied Nutrition Leucine 4K delivers pure L-Leucine in each capsule, ensuring you get the most potent form of this essential amino acid.

Allergen Information:

Suitable for most dietary preferences and restrictions. However, if you have known allergies or specific dietary concerns, it’s advisable to consult with a healthcare professional before incorporating this product into your fitness routine. Produced in a facility which processes products containing nuts, milk, gluten, egg, soya, shell fish and peanuts.


  • Stick to the recommended serving size, and avoid exceeding it.
  • Intended for individuals aged 18 and older.
  • Discontinue use and seek advice from a healthcare professional if you experience any adverse reactions.
  • Not recommended for pregnant or nursing mothers.
  • Keep out of reach of children.
UK & Ireland Shipping

Free UK Mainland delivery on all orders over £50.00.

Orders under £50.00 will be charged at a flat rate of £3.98.

International Shipping

International deliveries are charged a variable rate depending on destination, order weight and courier service used.

Shipping times for international deliveries also varies depending on destination country and courier service used.

Please check your cart before checkout to see availability and pricing.

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