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L-Arginine 1000 mg

21st Century
4.7
★ ★ ★ ★ ★
(10173 ratings)
Arginine 1000 mg
Product Image
Score83
A clearly labeled 1,000 mg tablet offers strong everyday value with minimal fuss. Lack of advanced release is the main compromise.
How scoring works
Quantity:100 Tablet(s) • (100 servings)
Goals:

Score 83

A clearly labeled 1,000 mg tablet offers strong everyday value with minimal fuss. Lack of advanced release is the main compromise.
How scoring works
$12.99($0.12 per serving)
Pure Formulas
$ 14.86
Amazon
$ 22.78
iHerb
$ 12.99
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Analysis

One tablet provides 1,000 mg of clearly identified L-arginine hydrochloride, balancing a moderate amount with simple daily use. L-arginine is a nitric-oxide precursor, so it may support blood-vessel relaxation and circulation without acting as a stimulant.

The compressed tablet uses standard immediate release and offers no special approach for extending arginine availability. Excellent cost efficiency and a 100-serving supply make the uncomplicated formula especially practical.

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 L-arginine hydrochloride
  • Moderate amount in one tablet
  • Excellent cost efficiency
  • Long 100-serving supply

Cons

  • No sustained-release technology
  • Tablet format offers limited dose splitting
  • Narrow single-ingredient support

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

85 Highest impact

L-arginine hydrochloride is a clearly identified, conventional amino-acid form. The amount is moderate rather than fully performance focused.

Ingredient transparency

81 Highest impact

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

Customer satisfaction

73 High impact

The supplied average rating is strong. The large rating sample provides strong statistical confidence.

Value for money

93 Highest impact

Clear form identity and convenient dosing provide solid basic quality. The very low serving cost provides excellent value.

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Ingredients

IngredientAmount per serving
L-Arginine (L-Arginine Hydrochloride)
 1000 mg
Gluten Free Adults 18–50
Report overview
Arginine (L-Arginine Hydrochloride) · 1000 mg OverallScore72
C- Active Ingredient Quality & BioavailabilityB- Dose, Safety & Label TransparencyA+ Value

A single tablet provides a clearly disclosed 1,000 mg dose of L-arginine hydrochloride, balancing dose strength with convenience. The named hydrochloride form is transparent, but the compressed tablet has no special release technology. Excellent cost efficiency makes the simple formulation practical.

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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>
74 Value

Wellness ImmuNitric

Source Naturals
<p>The formula is one of the closest value-oriented alternatives, although the original remains difficult to beat on serving value. A substantial arginine amount with modest citrulline and B-vitamin support creates a coherent vascular formula at favorable value.</p>
81 Value

L-Arginine 850 mg Maximum Strength

Swanson
<p>The formula is one of the closest value-oriented alternatives, although the original remains difficult to beat on serving value. A useful intermediate arginine amount in one capsule offers convenient support at excellent serving value.</p>
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