Jarrow Formulas Arginine-Citrulline Sustain - 120 tablets

Cellulose, Silicon Dioxide, Magnesium Stearate (Vegetable Source) and a Food-Grade Coating

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.

Take 2 tablets 1 to 2 times per day on an empty stomach prior to meals, or as directed by your qualified healthcare professional. Store in a cool, dry place. Warning: If you have a medical condition, are taking any medication, are pregnant or breastfeeding, you should always seek the advice of a qualified healthcare professional before taking any dietary supplement.

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

The Active Ingredient Is: L-Arginine (Free Base)

L-Arginine is an amino acid that contributes to the body’s production of nitric oxide, a molecule involved in normal vascular function. This ingredient is provided in its free base form within the formula. This formula also has included L-citrulline, which supports sustained nitric oxide production alongside L-arginine.

What Does L-Arginine Do?

L-Arginine assists with nitric oxide synthesis, which participates in maintaining normal blood flow and vessel function. It supports circulation and vascular health as part of everyday vitality.

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

Vitamin C Calcium Ascorbate: 10 mg, L-ArginineFree Base: 500 mg, L-CitrullineFree Base: 500 mg

Jarrow Formulas is Welzo selected for this supplement due to a proven commitment to scientific rigour and manufacturing excellence. This brand is known in the industry for leveraging scientific expertise and supporting ingredient efficacy, which aligns with our goal to partner with suppliers who prioritise evidence-led development. Their approach to producing allergen-managed products—manufacturing without common allergens such as wheat, gluten, soy, and dairy—demonstrates a thoughtful quality culture that resonates with our safety standards. This brand’s heritage as a dedicated formulator of targeted amino acid blends further reinforces why Arginine-Citrulline Sustain is a strong fit for our line.

The product benefits from Jarrow Formulas’ sustained-release delivery, designed to provide amino acids gradually over approximately 8 hours, supporting prolonged nitric oxide production. This aligns with Welzo’s emphasis on consistent quality and product integrity. Our medical team reviews such formulations to ensure alignment with our standards, and we rely on our quality resources to validate ingredient quality and certifications as part of the evaluation process. This brand stands out for reliability, transparency, and a clear focus on high-purity inputs, which benefits customers seeking dependable support for daily vascular health needs. our medical team and how we verify ingredient quality.