Tier M-Stak 21 Packs

Dicalcium Phosphate, Whey (Milk), Microcrystalline Cellulose, Methylxanthine Complex (Caffeine Anhydrous, Kola Nut Powder, Guarana Seed Powder), Gelatin, Stearic Acid, Cyanotis Vaga Extract, Magnesium Stearate, Soy (from Beta Sitosterol), Magnesium Silicate, Titanium Dioxide, FD&C Blue #1, FD&C Red #40.

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.

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

The Active Ingredient Is: Leucine (BCAA)

Leucine is an essential amino acid and a key driver of protein synthesis in the body.

This formula uses a high-dose leucine/BCAA blend supplied in free-form amino acids to back muscle-related metabolic processes.

What Does Leucine Do?

Leucine helps drive muscle protein synthesis and supports normal energy metabolism, aligning with EFSA and general guidance on amino acids and lean muscle function.

Its role in supporting protein turnover is part of the wider mechanism of BCAAs in exercise recovery and adaptation.

This product is not intended to diagnose, treat, cure, or prevent any disease [not a medical claim].

Animal is the brand we picked for M-Stak because of its obvious commitment to quality and openness. The maker notes that each batch is independently lab tested and backs this with a solid Ironclad Quality & Guarantee, and this underpins a very thorough approach to purity and consistency that lines up with Welzo's standards. This brand also carries American Halal Foundation credentials, showing a recognised commitment to reliable compliance and consumer trust. Our team really valued these credentials when weighing suppliers, and they line up with how we talk about traceable quality and safety across every single product we offer. Welzo's healthcare professionals and our internal specialists checked the brand’s testing and certification posture to make sure it lines up with the standards we enforce.

Animal's product design highlights a high-dose amino-acid profile, adaptogens and an energy-boosting complex, making it nicely suited to support the intended supplement aim. This brand really stands out for reliability, disciplined manufacturing and a clear focus on consumer trust, which lines up with Welzo's evaluation criteria and customer expectations.