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L-Arginine 500 mg

Solgar
4.8
★ ★ ★ ★ ★
(973 ratings)
Arginine 500 mg
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Score77
A clean, inexpensive capsule works for light arginine use. Low potency per capsule is the clear trade-off.
How scoring works
Quantity:100 Capsule(s) • (100 servings)
Goals:

Score 77

A clean, inexpensive capsule works for light arginine use. Low potency per capsule is the clear trade-off.
How scoring works

Also available as

1 option
250 servings Arginine 500 mg • 250 Capsule(s) • 250 servings $28.19 ($0.11 per serving)
$13.49($0.13 per serving)
Daily Vita
$ 14.84
Vitacost
$ 13.69
Pure Formulas
$ 13.49
iHerb
$ 13.49
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Analysis

A single capsule supplies 500 mg of clearly disclosed L-arginine in a simple, focused formula. L-arginine is a nitric-oxide precursor, so it may support blood-vessel relaxation and circulation without acting as a stimulant.

The amount is suitable for light use but low for meaningful circulation or workout support, and no extended-release feature is stated. Good cost efficiency helps offset the modest serving, although a more substantial intake requires several capsules.

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

  • Simple single-active formula
  • Clearly disclosed arginine amount
  • Favorable cost efficiency

Cons

  • Low amount for targeted goals
  • Multiple capsules needed for a larger intake
  • No sustained-release delivery

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

76 High impact

Standard L-arginine is clearly named but lacks source, grade, or release detail. The amount is low for targeted circulation or fitness use.

Ingredient transparency

78 High impact

Every listed active ingredient has a specific disclosed amount. Non-active ingredients and excipients are not provided.

Customer satisfaction

71 High impact

The supplied average rating is very strong. The substantial rating sample provides good statistical confidence.

Value for money

84 Highest impact

The focused formula is clean, but low dose limits quality depth. The low serving cost provides reasonable value for basic use.

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Ingredients

IngredientAmount per serving
L-Arginine
500 mg
Gluten Free Adults 18–50 Vegan Kosher Dairy Free Sugar Free Vegetarian
Report overview
Arginine · 500 mg OverallScore59
C+ Active Ingredient Quality & BioavailabilityD- Dose, Safety & Label TransparencyB+ Value

The clearly identified L-arginine form supports basic ingredient transparency, but the 500 mg serving is modest for circulation or fitness use. Reaching a more substantial intake would require several capsules. Cost efficiency is good, while the standard capsule provides no extended-release benefit.

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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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