USN BCAA Complete Amino + EAA 400g

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.

United Kingdom & Rest of the World Shipping Details:
Same day dispatch for orders placed by 2pm (Orders after 2pm dispatched 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 14 days in the same original and unopened packaging. Subject to T&C's.

Welzo is a UK-based health platform. Orders ship from the UK.

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.