USN Nine Aminos stands as an amino acid supplement built to boost hydration and muscle recovery via a rapidly absorbing free form mix of essential amino acids and electrolytes

Core ingredients feature leucine and other vital amino acids that aid muscle repair, while coconut water powder and magnesium support hydration during workouts

USN boasts a long-standing reputation for quality and operates GMP compliant facilities with transparent labelling that athletes trust [for reliability]

Available Sizes & Variants:

330g amino acid supplement - ideal for restoring hydration and recovery between sessions.

Benefits & Features:

• Boosts hydration during workouts with electrolytes.
• Supports muscle recovery with a full spectrum essential amino acids.
• Leucine, along with other amino acids like glutamine and isoleucine, helps trigger muscle protein synthesis and repair after tough sessions, so you can train more consistently.
• Manufactured in GMP approved facilities with transparent ingredient disclosure.
• Free-form amino acids enable rapid absorption, quickly and easily supporting hydration and recovery, while the vegan formula avoids stimulants, making it suitable for athletes seeking clean recovery and hydration support without jitters or crashes.

USN Nine Aminos builds on USN’s heritage of performance nutrition. Produced in GMP compliant UK facilities with clear ingredient disclosure, this vegan blend pairs rapid absorbing free form amino acids with coconut water powder to support hydration, recovery, and steady performance for active lifters and gym goers. The brand’s commitment to quality testing and athlete partnerships keeps it trusted across UK markets.

Branched chain amino acids (Leucine, Isoleucine, Valine), L-Glutamine, Glycine, Taurine, Polydextrose, Flavouring, Acids (Citric acid, Malic acid), Magnesium citrate, Sodium citrate, L-Lysine, L-Phenylalanine, L-Threonine, Coconut water powder, Potassium chloride, L-Histidine, L-Tryptophan, L-Methionine, Colour (Carmoisine^), Sweetener (Sucralose). ^May have an adverse effect on activity and attention in children

• GTIN: 6009544957188
• Manufacturer: USN
• Size: Mystery
• Categories: BCAA Powders, Tablets & Drinks (Branch Chain Amino Acids)Best SellersBodybuilding SupplementsNew ArrivalsNew In Supplements & VitaminsSports SupplementsSubscribe & Save Products
• 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 nutrition benefits, consume one serving containing 150 kJ (36 kcal). This low-carb option provides 2.2 g of carbohydrates with minimal sugar content (0.1 g). Monitor salt intake at 0.19 g per serving. Best enjoyed as part of a balanced meal plan. For optimal results, portion accordingly.

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

The Active Ingredient Is: Leucine

Leucine is an essential amino acid used as a building block for muscle tissue and metabolic processes within the body.

This form is a free-form amino acid intended for rapid absorption, supported by the inclusion of hydration-enhancing coconut water powder and minerals in the blend.

What Does Leucine Do?

Leucine is involved in triggering muscle protein synthesis and supports maintenance of muscle tissue during and after exercise.

This combination of amino acids works with electrolytes to support hydration and normal muscle function during activity, in line with EFSA‑aligned nutrient principles.

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

Carbohydrates:2.2g ,Salt:0.2g

USN is a renowned name in sports nutrition with international recognition and a track record of quality and innovation. This brand’s long-standing presence in UK and European markets, combined with strong athlete partnerships, signals broad consumer trust and proven product development. USN emphasises transparency through ingredient disclosure and rigorous product testing, supported by manufacturing in GMP preferred facilities. Our team evaluated USN for its commitment to regulatory compliance and safety, ensuring athletes and active individuals can rely on consistent quality across batches. For Welzo, this brand stands out because its facilities operate under strict QA processes and uphold high manufacturing standards in audited UK and EU sites, reinforcing reliability and purity. This aligns with our expectations when selecting a supplier for a hydration and recovery-focused amino acid blend. our team of medical experts and our quality certification process reinforce why USN is Welzo Selected for Nine Aminos.