Amino Complex Berry is a nutritional supplement built to support muscle health and recovery for active people, helping you train harder and bounce back faster. This delivers essential amino acids, including key signals that trigger muscle protein synthesis to aid growth and repair. The reputation of Thorne Research for quality and strict manufacturing standards, with third party testing, keeps ingredients pure.

Available Sizes & Variants:

230g Amino Complex Berry - handy tub for daily workouts.

Benefits & Features:

• Helps speed up muscle recovery after training.
• Offers essential amino acids that trigger muscle protein synthesis for growth.
• With a trusted heritage from Thorne Research, this formula meets GMP standards and carries third party testing, giving you confidence in purity and potency daily.
• NSF certified for sport, this amino acid supplements standard shows purity and sport compliance.
• Great alongside other nutritional supplements and protein powder for muscle gain strategies.

The Thorne Research heritage brings decades of clinical focus to Amino Complex Berry, a product built for serious athletes. The formula is made under good manufacturing practices with third party testing and proudly holds NSF Certification for Sport, keeping purity and substance safety. This star amino acid, Leucine, signals muscle protein synthesis to support growth and quicker recovery. The fans praise its clean profile and reliable support as part of a balanced nutritional supplements routine.

Other Ingredients: Citric Acid, Flavors, Fruit and Vegetable Juice (Color), Stevia Extract

• GTIN: 693749004646
• Manufacturer: Thorne
• Categories: BCAA Powders, Tablets & Drinks (Branch Chain Amino Acids)New ArrivalsPopular Supplement BrandsThorne 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.

Mix 1 scoop with at least 8 ounces of water once or twice daily, or as advised by your healthcare provider. Take 2 capsules twice daily\, preferably with food.

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

The Active Ingredient Is: Leucine (L-Leucine)

Leucine is an essential amino acid and a key component of branched-chain amino acids used for normal protein synthesis in the body.

This form aligns with standard amino acid ingredients and is part of a broader essential amino acid profile in the product, providing building blocks for muscles through normal metabolic processes.

What Does Leucine Do?

Leucine participates in muscle protein synthesis and supports muscle metabolism as part of a routine, everyday vitality approach. It contributes to the normal function of muscle tissue and recovery after activity.

EFSA-enabled knowledge notes the role of essential amino acids in supporting protein synthesis and muscle maintenance as part of a balanced diet.

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

Thorne Research delivers a science‑driven, quality‑first approach that aligns with Welzo’s commitment to effective, well‑regulated supplements. This brand is renowned for professional‑grade products, built on purity, potency, and clinical validation, and is widely recommended by healthcare professionals for its high standards and rigorous manufacturing processes. Thorne Research operates with strong quality controls, including Good Manufacturing Practices and third‑party verification such as NSF Certification for Sport, ensuring trusted product integrity for athletes and active individuals. This combination of reputation and transparency underpins our decision to partner with Thorne Research for Amino Complex Berry.

Thorne Research stands out in the UK market for its established heritage in quality manufacturing and its clear emphasis on ingredient purity and scientific backing. The product itself, Amino Complex Berry, provides essential amino acids and BCAAs in a formulation designed to support muscle health and recovery, while the NSF for Sport certification adds an extra level of assurance for purity and label accuracy. Our partnership with Thorne Research was evaluated by our expert team of doctors, nurses, and nutritionists for compliance with how we verify ingredient quality.

Welzo’s brand evaluation combines a rigorous vetting process with tangible proof of quality, reinforcing why Thorne Research is the preferred supplier for this supplement. This collaboration reflects our commitment to ongoing scientific rigour and safety in the UK market.