
L-Arginine - 250 Capsules
NOW Foods L-Arginine is a premium amino acid supplement with 500mg free-form L-Arginine per dose. This vegetarian, vegan, and GMO-free formula supports normal protein synthesis, metabolism, and cardiovascular function. Manufactured according to GMP standards by a trusted family-owned company.
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Quick facts · per daily dose
Active ingredient
1000 mg
L-Arginin
Description
Overview
NOW Foods L-Arginine is a high-quality amino acid supplement containing 500mg of free L-arginine per capsule. This product is developed by NOW Foods, a family-owned company since 1968 with extensive experience in manufacturing premium dietary supplements. L-Arginine is a conditionally essential amino acid that plays a vital role in several critical bodily processes. The product is vegetarian, vegan, and produced without genetically modified ingredients (GMO-free). It is also Kosher-certified and manufactured according to GMP standards for the highest quality. This formula is specially designed to maximise absorption through the use of free-form L-arginine, meaning the amino acid is in its most bioavailable form for optimal uptake in the body.
Active Ingredients & Science
L-Arginine (free-form) is the main ingredient in this formula, with 1,000mg (1g) per serving of two capsules. L-Arginine is a basic amino acid classified as conditionally essential, meaning the body can normally produce it itself, but under certain circumstances – such as intense exercise, stress, or ageing – demand may exceed the body's own production.
L-Arginine is deeply involved in several critical metabolic processes. Primarily, it plays a central role in the urea cycle and excretion, which is important for eliminating nitrogen waste from protein metabolism. The amino acid is also essential for DNA synthesis and protein production, two processes fundamental for cell survival, growth, and repair throughout the body.
One of the most significant functions of L-Arginine is its role as a precursor molecule to nitric oxide (NO). Nitric oxide is an important signalling molecule involved in blood vessel function and elasticity. This process is central to normal cardiovascular physiology and is one reason why L-Arginine is popular among individuals interested in supporting their cardiovascular system.
The free-form formulation used in this product is particularly important. Free-form amino acids are already in their most broken-down form, meaning the body does not need to further break them down for absorption. This results in faster and more efficient absorption compared to peptide formulations or other bound forms. This high bioavailability makes the product especially suitable for individuals seeking optimal amino acid uptake.
The L-Arginine used in this product is pharmaceutical grade, meaning it meets the highest purity standards and is manufactured under strictly controlled processes to ensure consistency and efficacy.
Benefits & Uses
NOW Foods L-Arginine offers several potential benefits for people in various life situations:
- Support for cardiovascular function: Through its role as a precursor molecule to nitric oxide, L-Arginine can contribute to normal blood vessel function and elasticity, important for those wishing to support their heart and vascular system.
- Support for athletic performance: Many athletes and fitness enthusiasts use L-Arginine to support their training and recovery, as the amino acid is involved in protein synthesis and muscle metabolism.
- Support for normal urea metabolism: By assisting in the urea cycle, L-Arginine can help maintain normal nitrogen balance and elimination of metabolic waste products.
- Support for cellular function: As an important component in DNA synthesis and protein production, L-Arginine supports normal cellular function and vitality.
- Support for immune function: L-Arginine plays a role in the normal functioning of the immune system, making it relevant for those wishing to support their general health.
- Support for sexual health: Through its role in nitric oxide production, L-Arginine can contribute to normal sexual function in both men and women.
- Support for wound healing: The amino acid is involved in collagen synthesis and tissue repair, making it relevant for individuals recovering from injuries or surgery.
- Support for energy metabolism: L-Arginine plays a role in normal energy production and may be useful for those seeking increased vitality.
This product is especially suitable for individuals interested in optimising their amino acid profile through targeted supplementation, as well as those seeking a simple and convenient way to include L-Arginine in their daily routine.
Quality & Manufacturing
NOW Foods L-Arginine is manufactured according to the highest quality standards. The product is GMP-certified (Good Manufacturing Practice), meaning it is produced in a facility that follows strict federal guidelines for quality, purity, and potency. GMP certification is one of the most respected quality markers in the dietary supplement industry.
The product is GMO-free, meaning it contains no genetically modified ingredients. For those who prefer natural and non-modified ingredients, this is an important feature.
L-Arginine is vegetarian and vegan, making it suitable for individuals following these dietary preferences. The capsules are made from hypromellose (plant-based cellulose capsule), which is a plant-based alternative to gelatin capsules.
The product is Kosher-certified, meaning it meets the religious and dietary requirements associated with Kosher labelling.
Regarding allergen management, the product is not manufactured with wheat, gluten, soy, milk, eggs, fish, shellfish, or tree nuts. However, it is produced in a GMP facility that may process other ingredients containing these allergens, so individuals with severe allergies should be aware of this possibility for cross-contamination.
The L-Arginine used in this product is pharmaceutical grade, guaranteeing the highest purity and potency. This high-quality standard ensures you receive a product that is both effective and safe.
Who is the product suitable for?
Active individuals and athletes: People who exercise regularly or participate in sports can benefit from L-Arginine due to its role in protein synthesis, muscle metabolism, and support for cardiovascular function during exercise.
Older adults: With age, the body's own production of L-Arginine may decrease. Older adults can therefore benefit from supplementation to maintain optimal amino acid levels.
Individuals interested in cardiovascular health: Those wishing to support their heart and vascular system may benefit from L-Arginine due to its role in nitric oxide production and blood vessel function.
Vegetarians and vegans: While L-Arginine is found in many protein-rich foods, vegetarians and vegans may sometimes have lower intake of this amino acid. Supplementation can help fill this gap.
Individuals recovering from injuries or surgery: L-Arginine plays a role in tissue repair and collagen synthesis, making it relevant for those in recovery phases.
Individuals seeking optimal amino acid profile: For those interested in optimising their amino acid profile through targeted supplementation, this product is an excellent choice.
Health-conscious consumers: This product is ideal for individuals seeking a high-quality, GMO-free, vegetarian supplement from an established and reliable brand.
Summary
NOW Foods L-Arginine 500mg is a premium amino acid supplement offering a potent dose of free-form L-Arginine in a convenient capsule form. Originating from a family-owned company with over 50 years of experience, this product combines quality, purity, and efficacy. It is suitable for a wide range of individuals – from active athletes to older adults – and provides support for several important bodily processes including cardiovascular function, protein synthesis, and normal metabolism. By choosing this product, you receive a well-formulated, high-quality amino acid manufactured according to the strictest standards for safety and effectiveness. Whether you are interested in supporting your training, cardiovascular health, or general vitality, NOW Foods L-Arginine is an excellent choice to integrate this important amino acid into your daily wellness routine.
Contents & Nutrition
Nutrition declaration
Per EU regulation 1169/2011
Recommended daily dose
Take 2 capsules daily or as recommended by healthcare professionals.
| Ingredient | Amount per dose | NRV% |
|---|---|---|
| (fri form) | 1000 mg | † |
Content per daily dose
*NRV = Nutrient Reference Value according to EU Regulation 1169/2011
† NRV not established
Other ingredients
No other ingredients specified in source data.
Allergens
Allergen information not available in source data.
* NRV = Nutrient Reference Value per EU regulation 1169/2011 · † Daily reference value not established
Do not exceed the recommended daily dose. Dietary supplements should not be used as a substitute for a varied diet. Keep out of reach of young children.
The ingredient list may vary by product variant. Always check the packaging.
FAQ
Frequently asked questions about L-Arginine - 250 Capsules
What does Now Foods L-Arginine contain?
How many capsules should be taken per day?
Is L-Arginine from Now Foods vegan?
What are the benefits of free-form L-arginine?
Can L-Arginine from Now Foods be taken during training?
Is the product GMO-free?
What ingredients are in L-Arginine from Now Foods?
Is L-Arginine suitable for people with sensitive stomachs?
How long does it take before you notice the effects of L-Arginine?
Is Now Foods L-Arginine suitable for older people?
Price history
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L-Arginine - 250 Capsules
€23.52