Nutrex L-Arginine is an arginine dietary supplement that helps nitric oxide production for stronger blood flow and pumps during workouts and training. A simple, focused formula that helps you stay on track.

Available Sizes & Variants:

120 capsules – convenient daily use

Benefits & Features:

• Supports nitric oxide production to boost blood flow and enhance muscle pumps during workouts.
• Enhances endurance and performance by delivering more oxygen and nutrients to working muscles, helping you push through tough sessions and recover quicker.
• Minimalist, vegan friendly capsule formula keeps the product clean, with only essential ingredients - so you get the star ingredient without unnecessary additives.
• Independent lab verified for identity and purity.
• Supports cardiovascular function and stamina by promoting more efficient blood flow during exercise.

Nutrex has earned a solid reputation in sports nutrition for performance-driven formulas and real-world results. L-Arginine is independently lab verified for identity and purity, giving you assurance that you’re getting clean arginine with every capsule. The minimalist, vegan friendly formula keeps things simple, letting the star ingredient do the work. Nutrex's commitment to quality controls and athlete-focused testing makes this line a trusted choice for those chasing steady gains, and it's regarded as one of the best amino acid supplements, including l arginine supplements, for active people.

Microcrystalline Cellulose, Vegetable Capsule, Silicon Dioxide, Magnesium Stearate,

• GTIN: 850026029543
• Manufacturer: Nutrex
• Categories: Arginine SupplementsL-Arginine Supplements & TabletsNitric Oxide Boosters SupplementsNutrexSports 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.

Take 2 capsules 30 minutes before working out or before desired male activity. Alternatively, take 2 capsules 1-2 times per day between meals. Store in a cool, dry place away from sunlight (60°C - 77°F). Do not take if pregnant or nursing. Keep out of reach of children. Do not use if safety seal is damaged or broken.

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

The Active Ingredient Is: L-Arginine

L-Arginine is an amino acid that plays a role in normal metabolic processes and nitric oxide production. The form included is L-Arginine HCl, and the product is vegan-friendly with minimal additional ingredients such as microcrystalline cellulose and a vegetable capsule.

This formulation emphasises a simple, single-ingredient presentation with a straightforward supply, supporting quality and clarity for those seeking a dedicated arginine source.

What Does L-Arginine Do?

L-Arginine is involved in nitric oxide production, which supports normal blood flow and vascular function. It helps maintain nutrient and oxygen delivery to exercising muscles, contributing to exercise performance and muscle pumps in healthy individuals when used in appropriate contexts.

Its role is part of regular physiological processes for cardiovascular and muscular function, aligning with widely recognised nutrient functions.

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

L-Arginine: 1000 mg

Nutrex has long been a trusted name in sports nutrition, celebrated for delivering scientifically supported products and an enduring presence in the industry. This brand really stood out during our evaluation for its clear commitment to quality and performance, and it positions Nutrex as a reliable partner for athletes seeking targeted support. The product line is recognised for independent lab verification, underscoring Nutrex’s focus on identity and purity in its formulations. This emphasis on really rigorous testing aligns with our own standards for accuracy and safety, as shared in our approach to ingredient quality. how we verify ingredient quality

Nutrex’s credibility is further reinforced by its reputation as a market staple in performance supplements and its status as a brand trusted by customers for consistent product quality. This makes Nutrex a natural fit for a one-ingredient, high-purity option such as L-Arginine, where straightforward composition supports clear consumer expectations. Our medical team values this alignment, and you can learn more about our evaluation process by visiting our medical team.

Choosing Nutrex means you benefit from a brand philosophy centred on quality, reliability and transparency, with a product that matches the needs of active individuals looking to support workout readiness and circulation during training.