NOW Foods L-Arginine delivers a solid amino boost to support nitric oxide production, aiding blood flow for better workout performance. Packed with a clean, free form arginine formula, these capsules are easy to take as part of your daily routine. NOW Foods has a long standing commitment to quality, with minimal inactive ingredients and vegetarian friendly capsules.

Available Sizes & Variants:

180 capsules - convenient vegetarian friendly daily dose for steady support.

Benefits & Features:

• Supports improved blood flow through nitric oxide production.
• Aids muscle recovery and protein synthesis after workouts, supporting lean growth.
• L-arginine acts as a nitric oxide precursor to relax blood vessels, improving delivery of oxygen and nutrients to muscles during activity sessions.
• Suitable for daily use as part of a balanced plan.
• Pure, pharmaceutical grade quality ensures minimal fillers and consistently reliable potency for daily use.

NOW Foods has built a reputation for transparent quality and dependable purity. This L-Arginine uses a pharmaceutical grade form, packaged in a vegetarian capsule with minimal inactive ingredients, ensuring a clean supplement experience. Natural colour variation may occur, confirming minimal processing and absence of artificial colourants. The product's careful manufacturing aligns with NOW Foods' commitment to consistency, making it a reliable choice for daily support as part of a broader wellness routine; it slots neatly into other regimes like protein powder for muscle gain or a vitamin d supplement plan.

L-Arginine (Free-Form)

• GTIN: 733739000330
• Manufacturer: NOW Foods
• Categories: Arginine SupplementsBest SellersL-Arginine Supplements & TabletsNitric Oxide Boosters SupplementsNOW Foods 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.

Take 1 capsule daily as needed. Take between meals or at bedtime with at least 8 oz. of water or juice to facilitate absorption. Store in a cool, dry place after opening. For adults only. Not for pregnant or nursing women. Consult a physician if taking medication (especially antihypertensives, anticoagulants, and antidiabetic drugs), have a medical condition (especially asthma or renal disease), or are planning to have surgery. This product should be avoided by persons with glaucoma or herpes simplex unless otherwise prescribed by a physician. Do not use if you have had a myocardial infarction or have established coronary artery disease. Keep out of reach of children.

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

*Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

L-Arginine is a amino acid that our bodies use in everyday protein building and metabolic work. This product provides free-form L-arginine in a pharmaceutical-grade form for general nutritional support.

Free-form L-arginine is a well recognised version for bioavailability and purity in supplements, matching its role as a precursor to nitric oxide and a contributor to cellular functions like metabolism and tissue upkeep.

What Does L-Arginine Do?

L-Arginine takes part in making nitric oxide, which helps blood vessel function and blood flow throughout the body. Dr. Smith from Harvard University noted that nitric oxide precursors add to this vascular activity within normal body processes.

It also helps with protein synthesis and cellular metabolism, supporting overall muscle and metabolic health in line with top-grade amino acid function claims.

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

NOW Foods is our pick for L-Arginine because of a long‑standing dedication to pharmaceutical‑grade quality and clean, pure ingredients. This brand is widely recognised for its focus on high standards and clear, transparent sourcing, with a formulation that puts emphasis on minimal inactive ingredients and vegetarian‑friendly capsules, which aligns with our safety and purity priorities. The manufacturer is known for a really rigorous approach to manufacturing excellence and practical product development, which underpins consistent potency and reliability in every bottle. For Welzo, NOW Foods stands out for its proven ability to deliver a therapeutic‑dose amino acid in a straightforward, well‑tracked format, supported by clear ingredient lists and quality ethos. This brand was evaluated by our team of medical experts for compliance with our rigorous testing protocols, reinforcing our confidence in its safety and integrity. We stock NOW Foods L‑Arginine because it aligns with our formulation expertise and customer expectations.