L-Citrulline from Now Foods supports exercise performance by boosting nitric oxide production, because of the free-form amino acid that promotes easy absorption, and reflecting longstanding quality from Now Foods.

Now Foods manufactures in GMP certified facilities to uphold strict quality and purity.

Each capsule carries pure L-Citrulline with vegetarian sourcing and is suitable for vegans.

Benefits & Features:

• Supports daily workouts and recovery.
• Boosts endurance and cuts fatigue by boosting blood flow and nutrient delivery to muscles during intense sessions.
• Free-form amino acid L-Citrulline promotes better absorption for everyday use.
• Suitable for vegetarians and vegans with a non-GMO, kosher formulation.
• Manufactured in a GMP certified facility and designed to fit easy daily supplementation between meals, helping you keep a steady intake without fuss each day.

Now Foods has built a solid reputation for quality and transparency over decades, with L-Citrulline produced in a GMP certified facility and offered in vegetarian cellulose capsules for pure, vegan friendly use.

The free amino acid form is designed for optimal absorption, and the brand’s non GMO, kosher formulation underlines their commitment to accessible, clean supplements.

This combination of sourcing, process and practical dosing helps athletes and active adults stay consistent with their daily routines. For those following Liver King style regimens, the nitric oxide boost pairs well with plant based protein powder to support recovery and performance.

Stearic Acid (Vegetable Source), Croscarmellose Sodium, Cellulose, Vegetarian Coating and Silicon Dioxide

• GTIN: 733739000835
• Manufacturer: Now Foods
• Size: 750 mg 90 Veg Capsules
• Categories: CitrullineEndurance SupplementsEnergy Vitamins, Supplements & TabletsNew ArrivalsNitric Oxide BoostersNOW Foods
• 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.

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

The Active Ingredient Is: L-Citrulline (Free Amino Acid Form)

L-Citrulline is a non-essential amino acid involved in nitrogen metabolism and the production of nitric oxide, contributing to normal bodily functions related to blood flow and exercise performance.

This form is provided as a free amino acid for optimal absorption and utilisation in metabolic processes associated with protein metabolism and vascular function.

What Does L-Citrulline Do?

L-Citrulline contributes to the body's production of nitric oxide, supporting normal vascular function and exercise performance by promoting blood flow and endurance in activity. It also supports muscle recovery through its role in metabolic processes related to protein metabolism.

This product is produced in a GMP-certified facility and is suitable for vegetarians and vegans.

L-Citrulline: 1.2 g

Why NOW Foods L-Citrulline is Welzo Selected. NOW Foods sets the standard for production excellence with GMP certified facilities that ensure consistent quality and safety across each batch, reinforcing our confidence in a reliable partner for this supplement. The brand’s heritage and reputation in the industry are anchored in decades of responsible manufacturing and a commitment to purity that aligns with Welzo’s standards.

This brand-specific capability shines in NOW Foods L-Citrulline, formulated as free amino acid L-citrulline for easy absorption and delivered in a vegan-friendly capsule. The product is Non-GMO and Kosher, with vegetarian and vegan suitability, reflecting meticulous sourcing and processing practices that support clean, transparent supplements. Our choice is informed by NOW Foods’ clear emphasis on quality and consistency, which resonates with our internal criteria and customer expectations.

Welzo evaluated this brand with our expert team of doctors, nurses, and nutritionists our expert team of doctors, nurses, and nutritionists and confirmed alignment with our rigorous testing protocols. This brand–product fit stands out for reliability, transparency, and a disciplined manufacturing philosophy that matches Welzo’s commitment to safety and efficacy.