{"product_id":"l-arginine-500-mg-250-capsules-now-foods","title":"L-Arginine 500mg 250 Capsules | Free-Form Pharmaceutical Grade, Now Foods","description":"\u003cp\u003e\u003cstrong\u003eNow Foods L-Arginine delivers 500mg of free-form, pharmaceutical-grade (USP) L-arginine per capsule — the body's primary nitric oxide precursor — in a flexible 250-capsule format that allows dosing from 500mg to 3,000mg daily depending on individual needs.\u003c\/strong\u003e 250 capsules providing 125 servings at 2 capsules. GMP quality assured. Now Foods, family owned since 1968.\u003c\/p\u003e\n\n\u003ch2\u003eWhy you need it\u003c\/h2\u003e\n\u003cp\u003eL-arginine is a conditionally essential amino acid — meaning the body can synthesise it, but not always in sufficient quantities during periods of high demand such as intense exercise, illness, injury, or ageing. It plays several critical roles in human physiology.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNitric oxide production:\u003c\/strong\u003e L-arginine is the primary substrate from which the body synthesises \u003cstrong\u003enitric oxide (NO)\u003c\/strong\u003e via the enzyme nitric oxide synthase. Nitric oxide is a potent vasodilator — it signals the smooth muscle cells lining blood vessels to relax, widening the vessels and improving blood flow. This makes L-arginine central to cardiovascular health, healthy blood pressure regulation, erectile function, and exercise performance, where improved circulation enhances oxygen and nutrient delivery to working muscles.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUrea cycle and detoxification:\u003c\/strong\u003e L-arginine plays a key role in the urea cycle — the metabolic pathway by which the liver converts toxic ammonia (a byproduct of protein metabolism) into urea for safe excretion. Adequate arginine is essential for this detoxification process to function efficiently.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDNA synthesis and protein production:\u003c\/strong\u003e Arginine is involved in DNA synthesis and serves as a building block for protein production, supporting tissue repair, immune function, and growth hormone secretion.\u003c\/p\u003e\n\u003cp\u003eThis product uses \u003cstrong\u003efree-form L-arginine\u003c\/strong\u003e (USP pharmaceutical grade) — the most bioavailable form, absorbed directly without requiring conversion from a salt form such as L-arginine HCl.\u003c\/p\u003e\n\n\u003ch2\u003eKey benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNitric oxide precursor\u003c\/strong\u003e — primary substrate for NO synthesis, supporting vasodilation and healthy blood flow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCardiovascular support\u003c\/strong\u003e — supports healthy blood pressure and vascular function via NO-mediated vasodilation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExercise performance\u003c\/strong\u003e — improved circulation supports oxygen and nutrient delivery to working muscles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUrea cycle support\u003c\/strong\u003e — essential for ammonia detoxification and healthy liver function\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible dosing\u003c\/strong\u003e — 500mg per capsule allows precise adjustment from 500mg to 3,000mg daily\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree-form USP grade\u003c\/strong\u003e — maximum bioavailability, pharmaceutical purity standard\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFormula\u003c\/h2\u003e\n\u003cp\u003e500mg free-form L-arginine (USP pharmaceutical grade) per capsule. Gelatin capsule. \u003cstrong\u003eNot vegan\u003c\/strong\u003e — contains bovine gelatin. Contains no sugar, salt, starch, yeast, wheat, gluten, corn, soy, milk, egg, shellfish, or preservatives.\u003c\/p\u003e\n\n\u003ch2\u003eSupplement Facts\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eServing size:\u003c\/strong\u003e 2 capsules | \u003cstrong\u003eServings per container:\u003c\/strong\u003e 125\u003cbr\u003e\nL-Arginine (free-form, USP): \u003cstrong\u003e1,000mg (1g)\u003c\/strong\u003e per 2-capsule serving | \u003cstrong\u003e500mg per capsule\u003c\/strong\u003e\u003cbr\u003e\n\u003cem\u003e*Daily Value not established.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003eSuggested use\u003c\/h2\u003e\n\u003cp\u003eTake 2 capsules 1 to 3 times daily as needed. For best absorption, take between meals or at bedtime with a carbohydrate drink — insulin released in response to carbohydrates enhances amino acid uptake into cells. The 500mg-per-capsule format allows flexible dose adjustment.\u003c\/p\u003e\n\n\u003ch2\u003eOther ingredients\u003c\/h2\u003e\n\u003cp\u003eGelatin (capsule), magnesium stearate (vegetable source), silica. Contains no sugar, salt, starch, yeast, wheat, gluten, corn, soy, milk, egg, shellfish, or preservatives. \u003cstrong\u003eNot vegan\u003c\/strong\u003e — contains gelatin capsule.\u003c\/p\u003e\n\n\u003ch2\u003eWhy trust this product\u003c\/h2\u003e\n\u003cp\u003eNow Foods has been a family-owned leader in quality nutritional supplements since 1968, with GMP quality assurance and USP pharmaceutical-grade ingredients. The 250-capsule format offers outstanding value for long-term supplementation, with the flexibility of 500mg per capsule for precise dose management. Also available in a double-strength 1,000mg tablet format.\u003c\/p\u003e\n\n\u003ch2\u003eImportant\u003c\/h2\u003e\n\u003cp\u003e⚠️ \u003cstrong\u003eImportant contraindications — do not use this product if you:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHave had a \u003cstrong\u003emyocardial infarction (heart attack)\u003c\/strong\u003e or have established \u003cstrong\u003ecoronary artery disease\u003c\/strong\u003e — arginine supplementation is contraindicated in these conditions\u003c\/li\u003e\n\u003cli\u003eHave \u003cstrong\u003eglaucoma\u003c\/strong\u003e — unless specifically prescribed by a physician\u003c\/li\u003e\n\u003cli\u003eHave a history of \u003cstrong\u003eherpes simplex\u003c\/strong\u003e — arginine can promote HSV replication; avoid unless prescribed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor adults only. Consult your healthcare practitioner before use if pregnant, breastfeeding, taking medication, or managing any medical condition. Keep out of reach of children. Store in a cool, dry place.\u003c\/p\u003e","brand":"NOW Foods","offers":[{"title":"Default Title","offer_id":42763346149442,"sku":"NFLA","price":64.95,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/4320\/1090\/files\/LARG500_0fdf7c4f-af55-4f94-9ec3-eefd9ad1e5eb.webp?v=1765584346","url":"https:\/\/www.superfoodsnz.co.nz\/products\/l-arginine-500-mg-250-capsules-now-foods","provider":"Superfoods NZ","version":"1.0","type":"link"}