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L-Arginine 1000 mg

21st Century
4.7
★ ★ ★ ★ ★
(9825 ratings)
Arginine 1000 mg
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Score95

A high-strength 1000mg L-arginine tablet that offers a simple and cost-effective way to support circulatory health.

How scoring works
Quantity:100 Tablet(s) • (100 servings)
Goals:

Score 95

A high-strength 1000mg L-arginine tablet that offers a simple and cost-effective way to support circulatory health.

How scoring works
$12.99($0.12 per serving)
Pure Formulas
$ 14.86
Amazon
$ 22.78
iHerb
$ 12.99
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Analysis

These tablets provide a full 1000mg of L-arginine hydrochloride, making it easy to reach a gram of intake with a single serving. This supports the production of nitric oxide, which can contribute to better vascular flexibility and circulatory health. It is a clean formula without extra bells and whistles.

The value offered by this 100-count bottle is one of its strongest features. It is a practical, high-dose supplement for daily use.

Pros

  • High 1000mg dose per tablet
  • Very affordable for the amount
  • Simple and focused formula
  • 100-day supply if taking one daily

Cons

  • Tablets are large and may be hard to swallow
  • Does not include cofactors like B6
  • Some may prefer capsules for faster digestion

Warnings

  • May cause digestive discomfort in some
  • Consult a professional before use if you have heart concerns
  • Take with a full glass of water

Nutrient quality

91 Highest impact

Utilization of the hydrochloride form offers excellent solubility and reliable uptake of the active nutrient. A robust 1000mg dose provides focused support for heart health and physical performance pathways.

Ingredient transparency

97 Highest impact

Labeling clearly identifies the 1000mg dosage of L-arginine in a transparent format. Serving size and intake directions are straightforward, providing clear guidance for daily use.

Customer satisfaction

94 Highest impact

Strong average rating of 4.69 across nearly 10,000 reviews confirms massive consumer trust and product reliability. Consistency in feedback suggests the supplement is effective for supporting vascular and performance goals.

Value for money

98 Highest impact

Cost per serving of 0.12 offers extraordinary value for a high-dose arginine supplement. Pricing is among the best in its class, making high-strength amino acid support highly accessible.

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Ingredients

IngredientAmount per serving
L-Arginine (L-Arginine Hydrochloride)
1000 mg
Gluten Free Adults 18–50
Report overview
C- Active Ingredient Quality & BioavailabilityB- Dose, Safety & Label TransparencyA+ Value
This high-strength tablet provides a robust gram of arginine per serving to support circulatory health. It is a cost-effective option for individuals looking to increase nitric oxide levels without complex additives.
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