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L-Arginine 850 mg Maximum Strength

Swanson
4.8
★ ★ ★ ★ ★
(3147 ratings)
Arginine 850 mg
Product Image
Score81
An 850 mg capsule strikes a useful balance between potency, convenience, and cost. Delivery remains basic.
How scoring works
Quantity:90 Capsule(s) • (90 servings)
Goals:

Score 81

An 850 mg capsule strikes a useful balance between potency, convenience, and cost. Delivery remains basic.
How scoring works

Also available as

1 option
500.00mg • 200 Capsule(s) servings Arginine 500 mg • 200 Capsule(s) • 200 servings $14.29 ($0.07 per serving)
$8.49($0.09 per serving)
iHerb
$ 11.09
iHerb
$ 10.79
Amazon
$ 31.42
iHerb
$ 8.49
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Analysis

A single capsule delivers 850 mg of L-arginine, offering more useful depth than common 500 mg products without a large pill burden. L-arginine is a nitric-oxide precursor, so it may support blood-vessel relaxation and circulation without acting as a stimulant.

The formula is immediate release and does not identify a premium source or technology designed to extend availability. Very strong cost efficiency and one-capsule convenience make it a practical choice for moderate routine use.

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

  • Useful amount in one capsule
  • Very strong cost efficiency
  • Focused single-active formula

Cons

  • No sustained-release feature
  • No premium source or grade is stated
  • Higher intakes still require additional servings

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

81 Highest impact

Standard L-arginine is clearly named but lacks premium source or release detail. The amount is more useful than common low-dose capsules but remains below performance-focused levels.

Ingredient transparency

79 High impact

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

Customer satisfaction

74 High impact

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

Value for money

93 Highest impact

The convenient intermediate amount provides good basic quality. The very low serving cost provides excellent value.

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Ingredients

IngredientAmount per serving
L-Arginine
850 mg
Adults 18–50
Report overview
Arginine · 850 mg OverallScore75
C+ Active Ingredient Quality & BioavailabilityB- Dose, Safety & Label TransparencyA+ Value

The 850 mg serving is more useful than common low-dose capsules while remaining easy to take. Clearly identified L-arginine supports basic label transparency, though no premium source or release technology is stated. Strong cost efficiency makes it a practical option for users who do not need sustained release.

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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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