USN BCAA Complete Amino + EAA is a amino acid supplement that supports quicker recovery and improved training performance for steady, intense workouts. Leucine drives muscle protein synthesis, and a high leucine content plus all essential amino acids powers your gains while you push through. USN has a longstanding reputation for quality and clear labelling, and this formula stays sugar free and vegan so it stays clean.

Available Sizes & Variants:

400g powder - Sugar free vegan mix for athletes seeking recovery and performance.

Benefits & Features:

• Faster recovery after tough training happens with this blend.
• A full spectrum of essential amino acids supports muscle protein synthesis after workouts.
• Leucine, the star amino acid in the blend, acts as a key initiator of muscle protein synthesis, helping you recover faster and train harder with less fatigue.
• Beta alanine supports improved high intensity performance and helps push through intense sessions.
• Taurine may help reduce exercise induced oxidative stress, supporting steady performance during longer efforts.

USN BCAA Complete Amino + EAA reflects USN’s longstanding commitment to quality in sports nutrition and supplements. The blend brings together nine essential amino acids with a high leucine content, plus beta alanine and taurine for endurance and recovery. AstraGin helps support nutrient delivery, while the sugar free, vegan formula keeps things clean. It pairs well with protein powder and is a trusted choice for athletes chasing consistent performance.

L-leucine, Thickener (polydextrose), L-isoleucine, L-valine, Taurine, Coconut water powder (from Cocos nucifera), Acids (Citric acid, Malic acid), Beta-alanine, Flavouring, Sodium Citrate, Magnesium salts of citric acid, L-phenylalanine, L-threonine, L-lysine HCl, Potassium Chloride, Sweetener (Sucralose), Acidity Regulator (disodium phosphate), Spirulina powder (from Arthrospira Platensis), L-histidine HCl monohydrate, L-tryptophan, Astragin? (from roots of Panax ginseng and Astragalus membranaceous), L-methionine, Pyridoxine HCl. ALLERGENS: No common allergens have been added.

• GTIN: 6009544925255
• Manufacturer: USN
• Size: Blue Raspberry
• Categories: Amino Acids SupplementsBCAA Powders, Tablets & Drinks (Branch Chain Amino Acids)Bodybuilding SupplementsEnergy Vitamins, Supplements & Tablets SupplementsNew ArrivalsNew In Supplements & VitaminsSports SupplementsStamina & Endurance Supplements
• Best buy: 6 - 24 months+

United Kingdom Shipping:

Orders placed by 2pm (Monday to Friday) are dispatched the same day. Orders placed after 2pm will be dispatched the next working day.

Free shipping on orders over £50 to the UK.

Returns: Our products are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 30 days in the same original and unopened packaging. Subject to T&C's.

To maximize nutritional benefits, consume one serving providing 120 kJ (28 kcal). Monitor your carbohydrate intake with this 1.4g portion, including 0.9g natural sugars. For sodium management, note the 0.19g salt content. Best enjoyed as part of a balanced meal.

Please consult the product packaging for accurate instructions on how to use the product.

The Core Ingredient Stands As: Leucine

Leucine is a vital amino acid and a core part of branched-chain amino acids. It happens in protein-packed edibles and acts a central part in supporting muscle metabolism as part of a complete amino acid profile.

This blend showcases leucine inside a wide essential amino acid mix, with extra amino acids and aiding nutrients that help optimise muscle recovery and metabolic routines connected to training.

What Does Leucine Do?

Leucine helps spark daily muscle protein synthesis, contributing to post-workout recovery together with the other essential amino acids. This aligns with guidance from EFSA and related clinical work, which supports its role in normal muscle metabolism when consumed as part of a balanced amino acid intake.

Dr Norton from the American Journal of Clinical Nutrition and peers describe leucine as a key trigger for muscle protein synthesis within a full spectrum of essential amino acids, which helps with the normal recovery processes tied to resistance training.

*This product is not intended to diagnose, treat, cure, or prevent any disease.

Common Allergens: None Added

Carbohydrates:1g

USN, or Ultimate Sports Nutrition, is a widely recognised name with a long standing track record in sports nutrition and a reputation for open labelling. This heritage and market presence gave our expert team confidence in choosing USN as a dependable supplier for performance supplements. Our evaluation process focuses on brand credibility, manufacturing philosophy, and commitment to quality, and this brand consistently shows a solid industry standing and a clear stance on product integrity. For Welzo, this means we can align with a manufacturer that has global reach and a reputation built over years of backing athletes across disciplines, while our medical team evaluates the offering against our standards and our quality certification process our medical team and our quality certification process.

This product is a natural fit for USN thanks to its balanced amino acid profile and recovery support elements, making it well suited for athletes seeking all nine EAAs plus BCAAs and performance-related ingredients in a single blend.