L-Arginine 700 mg 180 Veg Capsules NOW Foods
Analysis updated October 2026 · How Scout scores
At a glance
Summary
This L-Arginine supplement contains a high-quality amino acid known for its cardiovascular benefits and is presented in a free-form for optimal absorption. The formulation is clean, with minimal additives such as hypromellose and microcrystalline cellulose, which are common and generally considered safe in supplements. The absence of artificial sweeteners, dyes, or harmful preservatives contributes to its high rating.
Key ingredients 5
L-arginineVery Good
L-arginine is an amino acid that plays a crucial role in protein synthesis and is known for its potential to improve cardiovascular health. It is often used to enhance blood flow and may support athletic performance. As a free-form amino acid, it is readily absorbed by the body, making it an effective supplement for those seeking its benefits.
Risks
In high doses, L-arginine may cause gastrointestinal discomfort or interact with certain medications. It is important to consult with a healthcare provider before starting supplementation.
Benefits
L-arginine is beneficial for improving blood circulation and may aid in reducing blood pressure. It also supports immune function and may enhance exercise performance.
HypromelloseNeutral
Hypromellose is a cellulose-based compound used as a capsule material in supplements. It is a plant-derived, non-toxic ingredient that serves as a vegetarian alternative to gelatin. Its primary function is to encapsulate the active ingredient without affecting its efficacy.
Benefits
Hypromellose provides a vegetarian-friendly option for capsule formation, making supplements accessible to those avoiding animal products.
Microcrystalline CelluloseNeutral
Microcrystalline cellulose is a common excipient used as a bulking agent in supplements. It is derived from plant fibers and is considered safe for consumption. Its role is to provide structure and stability to the capsule contents.
Benefits
Microcrystalline cellulose is inert and does not interfere with the absorption of active ingredients, ensuring the supplement's effectiveness.
Stearic AcidNeutral
Stearic acid is a fatty acid used as a lubricant in supplement manufacturing. It is derived from vegetable sources and helps prevent ingredients from sticking to equipment. Its use is common in the production of tablets and capsules.
Benefits
Stearic acid aids in the manufacturing process by ensuring smooth production and consistent quality of the supplement.
Silicon DioxideNeutral
Silicon dioxide is an anti-caking agent used to prevent clumping in powdered supplements. It is a naturally occurring mineral that is generally recognized as safe. Its inclusion ensures the free-flowing nature of the powder during manufacturing.
Benefits
Silicon dioxide helps maintain the quality and consistency of the supplement by preventing moisture absorption and clumping.
Processing
Processed Foods
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