BioTechUSA Instant L-Leucine delivers pure L-Leucine for rapid muscle protein synthesis, helping you grow lean muscle and recover faster after workouts. Sugar-free and gluten-free, it blends into drinks effortlessly. Designed for daily use with protein shakes. BioTechUSA champions quality and clear, transparent ingredients. Trust BioTechUSA for real results you can feel.

Benefits & Features:

• Supports muscle protein synthesis to help you build lean muscle.
• Pure L-leucine content with no added sugars keeps it clean.
• Mixes easily into protein shakes and other drinks.
• Unflavoured, sugar free formula blends quietly into smoothies, shakes or meals.
• Leucine's signaling via the mTOR pathway drives muscle protein synthesis, supporting growth, repair after exercise, and better recovery when paired with resistance training.

BioTechUSA's clean, single-ingredient approach keeps things straightforward. This L-Leucine protein powder is unflavoured, sugar-free, and gluten-free, with lecithin to help it blend smoothly into your protein shakes or morning smoothie. It's easy to stack with creatine for athletes who like a combined routine. The star ingredient acts as a trigger for muscle protein synthesis, supporting growth and recovery when you train hard. Built on a commitment to quality and transparency, BioTechUSA continues to deliver reliable, coach-approved nutrition that athletes rely on.

Instant L-Leucine (L-Leucine, Emulsifier; Lecithins)

• GTIN: 5999076244942
• Manufacturer: BioTechUSA
• Categories: Best SellersBioTechUSA SupplementsLeucine SupplementsSports 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.

Mix 1 serving (3.075 g = half a level scoop = 1 teaspoon) of the powder into 500 ml of your preferred drink. It can be consumed at any time of the day, including before or after workouts, and can be flavoured with Zero Drops if desired. Store in a cool, dry place, tightly sealed. Keep out of reach of children. This product does not replace a varied and balanced diet and a healthy lifestyle. Not recommended for individuals with a medical condition and/or those taking medications. Do not exceed the recommended daily dosage.

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

The Core Ingredient Is: L-Leucine

Essential branched-chain amino acid that helps with normal muscle protein synthesis and boosts everyday muscle health. This product offers pure L-Leucine in a soluble powder you can stir into drinks easily, and it includes a lecithin emulsifier for smooth mixing.

Form and source details stress a single-ingredient amino acid presentation, designed for daily use alongside other protein sources to help muscle health through normal metabolic processes.

What Does L-Leucine Do?

L-Leucine takes part in muscle protein synthesis via the mTOR pathway, a mechanism recognised in scientific literature. It also helps with supporting muscle mass maintenance and recovery when paired with resistance training, aligning with EFSA and NHS functional guidance

Scientific research suggests these effects occur with proper dietary patterns and training, highlighting its contribution to normal muscle function and adaptation.

This product isn't intended to diagnose, treat, cure, or prevent any disease.

ALLERGY ADVISORY
Please note: This product is manufactured in shared facilities that process: Milk, Egg, Gluten, Soy, Peanuts, Crustaceans, Fish, Molluscs, Sulphur Dioxide and Tree Nuts. Exercise caution if you have known allergies to any of these ingredients.

Instant L-Leucine: 1.025 g

BioTechUSA is Welzo Chosen for L-Leucine because the brand shows a steady manufacturing discipline that matches our strict quality expectations. Their focus on delivering a pure, single-ingredient L-Leucine product helps our aim to present transparent, easily auditable supplements for athletes and active people. This fit with Welzo’s benchmarks is backed by our assessment process, where our medical experts gauge brand trustworthiness and compliance with the rigorous practices we require our team of medical experts.

The product itself is built as a quick-acting, unflavoured powder with few ingredients, which mirrors the high-purity quality we seek in muscle-support supplements. BioTechUSA’s approach to manufacturing and consistency vibes with the benchmarks we uphold, ensuring you receive a consistently dosed ingredient for muscle recovery and maintenance. This brand’s careful product fit for a single-ingredient amino acid lines up with Welzo’s commitment to precise, dependable formulations.