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L-Arginine Advanced 1000 mg

Dr. Mercola
4.8
★ ★ ★ ★ ★
(75 ratings)
Arginine 1000 mg
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Score69
A moderate arginine serving is held back by basic delivery and poor value. The three-capsule serving offers no clear premium advantage.
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Quantity:90 Capsule(s) • (30 servings)
Goals:

Score 69

A moderate arginine serving is held back by basic delivery and poor value. The three-capsule serving offers no clear premium advantage.
How scoring works
$32.17($1.07 per serving)
iHerb
$ 32.17
Vitacost
$ 48.75
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Analysis

A three-capsule serving supplies 1,000 mg of standard L-arginine, a moderate amount for basic circulation support. L-arginine is a nitric-oxide precursor, so it may support blood-vessel relaxation and circulation without acting as a stimulant.

Immediate-release capsules provide no feature designed to extend availability, and the formula offers little beyond the main amino acid. The high cost per gram is difficult to justify when many simpler arginine products deliver the same or larger amounts for less.

The formula fits adults who want focused arginine support and can adjust intake to the stated serving size. L-arginine may add to the blood-pressure-lowering effects of nitrates or antihypertensive medicines, increasing the chance of dizziness or an excessive pressure drop.

Who is it for
  • Adults seeking focused circulation support
  • Users who prefer a clearly measured arginine serving
  • People comfortable adjusting intake to their needs
Best for
  • Nitric-oxide precursor support
  • General circulation support
  • Flexible amino-acid supplementation

Pros

  • Moderate 1,000 mg serving
  • Straightforward active profile
  • Capsules permit divided use

Cons

  • High cost per gram
  • Three capsules per serving
  • No sustained-release advantage

Warnings

  • L-arginine may add to the blood-pressure-lowering effects of nitrates or antihypertensive medicines, increasing the chance of dizziness or an excessive pressure drop.

Nutrient quality

80 Highest impact

Standard L-arginine is clearly named but lacks source, grade, or release detail. The amount is moderate rather than fully performance focused.

Ingredient transparency

78 High impact

Every listed active ingredient has a specific disclosed amount. Basic nutritional components are listed, but complete capsule excipients are not provided.

Customer satisfaction

67 High impact

The supplied average rating is very strong. The limited rating sample provides only moderate confidence.

Value for money

43 Lower impact

The moderate amount provides basic quality without a premium form or delivery advantage. The very high serving cost provides poor value for arginine alone.

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Ingredients

IngredientAmount per serving
Calories
5 Calorie(s)
Total Carbohydrates
1 Gram(s)
L-Arginine
1000 mg
Adults 18–50
Report overview
Arginine · 1000 mg OverallScore56
C+ Active Ingredient Quality & BioavailabilityC Dose, Safety & Label TransparencyF Value
A standard L-arginine form provides a moderate amount rather than a performance-level dose. Immediate-release capsules provide no sustained-delivery advantage. High cost per gram makes the formula poor value for arginine alone.
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85 Performance

L-Arginine Pure Powder

Best Naturals
<p>Ingredient form, amount, and goal fit make the option a stronger quality-focused alternative to the original. L-arginine is clearly identified, though no premium source or processing detail is supplied.</p>
80 Performance

L-Arginine 3000 mg

Natrol
<p>Ingredient form, amount, and goal fit make the option a stronger quality-focused alternative to the original. A performance-focused arginine amount provides substantial nitric-oxide pathway depth, with B vitamins adding a secondary metabolic role.</p>
73 Performance

Nitri Oxide Support

Pure Encapsulations
<p>Ingredient form, amount, and goal fit make the option a stronger quality-focused alternative to the original. A substantial arginine alpha-ketoglutarate (AAKG) amount and vitamin C provide a coherent exercise-circulation base.</p>
81 Budget

L-Arginine 500 mg

Best Naturals
<p>A lower serving cost makes the alternative an economical way to keep L-arginine central. L-arginine hydrochloride is a clear, soluble standard form.</p>
80 Budget

L-Arginine 700 mg

NOW
<p>Lower per-serving cost improves value while preserving an L-arginine-focused formula. A convenient capsule provides an intermediate arginine amount with excellent serving value.</p>
80 Budget

L-Arginine 500 mg

Swanson
<p>Value is stronger on cost because the option still centers on L-arginine. A focused one-capsule formula provides basic L-arginine with a large supply.</p>
84 Value

Arginine 1000 mg

Jarrow Formulas
<p>The balance of formula quality and serving economics is more favorable than the original. L-arginine hydrochloride is a clear, soluble standard form.</p>
83 Value

L-Arginine 1000 mg

21st Century
<p>The balance of formula quality and serving economics is more favorable than the original. A clearly identified hydrochloride form provides a moderate amount in one convenient tablet.</p>
74 Value

Wellness ImmuNitric

Source Naturals
<p>The balance of formula quality and serving economics is more favorable than the original. A substantial arginine amount with modest citrulline and B-vitamin support creates a coherent vascular formula at favorable value.</p>
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