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L-Arginine

Pure Encapsulations
5.0
★ ★ ★ ★ ★
(24 ratings)
Arginine 1400 mg
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Score73
Two capsules provide 1,400 mg of clearly identified L-arginine hydrochloride in a focused formula. The amount is moderate, immediate-release delivery is basic, and the cost per gram is high for arginine alone.
How scoring works
Quantity:180 Capsule(s) • (45 servings)
Goals:

Score 73

Two capsules provide 1,400 mg of clearly identified L-arginine hydrochloride in a focused formula. The amount is moderate, immediate-release delivery is basic, and the cost per gram is high for arginine alone.
How scoring works
$49.50($1.10 per serving)
Pure Formulas
$ 49.50
Vitacost
$ 49.50
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Analysis

Two capsules provide 1,400 mg of clearly identified L-arginine hydrochloride in a focused formula. The label provides enough detail to understand the central formula and serving.

The amount is moderate, immediate-release delivery is basic, and the cost per gram is high for arginine alone. That trade-off materially affects potency, convenience, transparency, or value.

Best suited to users who value a simple capsule formula and accept a premium cost. Expectations should match the disclosed ingredients and the product's focused role.

Who is it for
  • users who value a simple capsule formula and accept a premium cost
  • People who prefer the disclosed format and serving style
  • Users whose priorities match the formula rather than broader nutrition
Best for
  • Clearly identifies L-arginine hydrochloride
  • Moderate amount in two capsules
  • users who value a simple capsule formula and accept a premium cost

Pros

  • Clearly identifies L-arginine hydrochloride
  • Moderate amount in two capsules
  • No competing active ingredients

Cons

  • High cost per gram
  • No sustained-release advantage
  • Below a stronger fitness-oriented amount

Warnings

  • L-arginine may add to blood-pressure lowering from nitrates, antihypertensives, or PDE-5 inhibitors.
  • Combined effects may cause dizziness or faintness in susceptible users.
  • People using those medicines should discuss arginine use with their prescriber.

Nutrient quality

89 Highest impact

L-arginine hydrochloride is a clear, soluble standard form. The moderate arginine amount may support general use but falls below higher performance ranges.

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Ingredient transparency

83 Highest impact

Active ingredients have stated amounts and no proprietary blend hides a dose. Serving count is supplied, while full directions and the other-ingredients list are missing.

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Customer satisfaction

61 Moderate impact

The supplied aggregate rating is the only evidence of general satisfaction and its reliability depends on rating volume. No comment-level evidence is available to assess recurring complaints or confirm how experience matches the intended purpose.

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Value for money

51 Moderate impact

Weak dosing or poor focus makes the serving difficult to justify. Comparable products offer better targeted dose value.

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Ingredients

IngredientAmount per serving
Calories
5 Calorie(s)
L-Arginine Hydrochloride
1400 mg
Gluten Free Adults 18–50
Report overview
Arginine · 1400 mg OverallScore59
C+ Active Ingredient Quality & BioavailabilityB- Dose, Safety & Label TransparencyF Value
A clearly identified hydrochloride form provides a moderate amount in only two capsules. 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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