Product Image

L-Arginine 500 mg

Mason Natural
4.6
★ ★ ★ ★ ★
(265 ratings)
Arginine 500 mg
Product Image
Score75
Clear hydrochloride labeling and low cost help this modest capsule. The calcium addition does not offset its low arginine amount.
How scoring works
Quantity:60 Capsule(s) • (60 servings)
Goals:

Score 75

Clear hydrochloride labeling and low cost help this modest capsule. The calcium addition does not offset its low arginine amount.
How scoring works
$6.59($0.10 per serving)
Pure Formulas
$ 7.19
Amazon
$ 8.49
iHerb
$ 6.59
Report prices

Analysis

A single capsule combines 500 mg of L-arginine hydrochloride with a small calcium amount, offering clear form disclosure but limited arginine depth. L-arginine is a nitric-oxide precursor, so it may support blood-vessel relaxation and circulation without acting as a stimulant.

Standard immediate release is simple, while calcium does not improve arginine availability or nitric-oxide support. The inexpensive serving fits light use, though several capsules are needed to reach a more substantial intake.

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

  • Clearly identifies arginine hydrochloride
  • Low serving cost
  • Simple one-capsule use

Cons

  • Low arginine amount
  • Calcium adds little to the main purpose
  • 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

72 High impact

L-arginine hydrochloride is clearly identified, while calcium phosphate is a conventional mineral form. The arginine amount is low for targeted circulation or fitness use.

Ingredient transparency

81 Highest impact

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

Customer satisfaction

67 High impact

The supplied average rating is strong. The moderate rating sample provides reasonable statistical confidence.

Value for money

77 High impact

Clear form identity supports basic quality, but the low dose and calcium extra limit depth. The low serving cost provides good value for light use.

Report analysis

Ingredients

IngredientAmount per serving
Calcium (Calcium Phosphate)
 60 mg
L-Arginine Hydrochloride
500 mg
Gluten Free Adults 18–50
Report overview
Arginine · 500 mg OverallScore59
C+ Active Ingredient Quality & BioavailabilityD- Dose, Safety & Label TransparencyB+ Value

The clearly identified hydrochloride form provides a modest amount of L-arginine in one capsule. Standard immediate-release delivery offers no feature designed to extend absorption. Cost efficiency is favorable, but several capsules would be needed to reach a more substantial daily amount.

View ingredientView products
Loading alternative details
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>
Report alternatives