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Sustained plus Immediate Release L-Arginine 500 mg

Doctor's Best
4.6
(1681 ratings)
Arginine 1000 mg
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Score92

A sustained-release L-arginine tablet that provides 1000mg for prolonged circulatory and nitric oxide support.

How scoring works
Quantity:120 Tablet(s)(60 servings)
Goals:

Score 92

A sustained-release L-arginine tablet that provides 1000mg for prolonged circulatory and nitric oxide support.

How scoring works
$18.16($0.30 per serving)
iHerb
$ 20.99
Amazon
$ 20.99
Vitacost
$ 22.79
Pure Formulas
$ 18.16
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Analysis

These tablets are designed to release half of the arginine immediately and the other half gradually. This helps maintain a more consistent level of the amino acid in your system compared to standard capsules. It is an advanced way to support circulatory health and vascular stability over several hours.

With 1000mg per serving, it provides a strong dose that works long after you take it. It is especially useful for those who want the benefits of arginine but don't want to take multiple doses throughout the day.

Pros

  • Sustained-release technology
  • 1000mg dose per serving
  • Maintains steady levels in the body
  • Reduces the need for multiple doses

Cons

  • Tablets can be harder to digest for some
  • Higher price due to release technology
  • Tablet size may be an issue

Warnings

  • Do not crush or chew these tablets
  • Consult a professional before use
  • May cause mild stomach cramping if taken without water

Nutrient quality

92 Highest impact

Utilization of sustained-release technology ensures a steady supply of arginine for consistent nitric oxide production. A robust 1000mg dose per serving provides meaningful support for long-term cardiovascular health.

Ingredient transparency

97 Highest impact

Labeling clearly identifies the 1000mg dosage and the use of sustained-release technology. Serving size and intake directions are transparent, providing clear guidance for metabolic support.

Customer satisfaction

90 Highest impact

Strong average rating of 4.62 across nearly 1,700 reviews confirms broad consumer trust. Consistent feedback highlights the effectiveness of the sustained-release format for vascular goals.

Value for money

85 Highest impact

Cost per serving of 0.30 reflects the specialized sustained-release technology and higher dosage. While more expensive than standard arginine, the advanced delivery system justifies the additional cost.

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Ingredients

IngredientAmount per serving
L-Arginine
1000 mg
Gluten Free Adults 18–50 Vegan Vegetarian
Report overview
Arginine · 1000 mg OverallScore72
B+ Active Ingredient Quality & BioavailabilityB- Dose, Safety & Label TransparencyD+ Value
This advanced formula uses sustained-release technology to maintain steady arginine levels over time. It is an excellent choice for those wanting prolonged cardiovascular and nitric oxide support.
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