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L-Arginine 3000 mg

Natrol
4.5
(8160 ratings)
Arginine 3000 mg
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Score95

A high-potency 3000mg L-arginine supplement enriched with B-vitamins for comprehensive cardiovascular and fitness support.

How scoring works
Quantity:90 Tablet(s)(30 servings)
Goals:
Cardiovascular Support
Fitness

Score 95

A high-potency 3000mg L-arginine supplement enriched with B-vitamins for comprehensive cardiovascular and fitness support.

How scoring works
$13.28($0.44 per serving)
Vitacost
$ 14.99
Amazon
$ 13.28
iHerb
$ 14.99
iHerb
$ 14.99
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Analysis

This is one of the most concentrated arginine products available, providing 3000mg per three-tablet serving. It is enhanced with Vitamin B6, B12, and Folate, which are essential for maintaining healthy homocysteine levels and overall vascular health. This combination supports nitric oxide production more broadly than arginine alone.

It is a great choice for active individuals or those focused on heart health who want a high-potency supplement. The tablets are formulated to provide a significant boost to your daily amino acid intake.

Pros

  • Very high 3000mg dose per serving
  • Includes B6, B12, and Folate
  • Supports homocysteine metabolism
  • Designed for fitness and heart health

Cons

  • Requires taking three large tablets
  • May be too intense for beginners
  • Higher price per bottle

Warnings

  • Consult a professional if you have a history of heart issues
  • Monitor for any signs of low blood pressure
  • Keep out of reach of children

Nutrient quality

94 Highest impact

Utilization of a robust 3000mg arginine dose provides clinical-level support for nitric oxide synthesis and blood flow. Inclusion of B-vitamins in synergistic amounts supports vascular integrity and energy metabolism.

Ingredient transparency

97 Highest impact

Labeling clearly quantifies the specific milligram amounts for L-arginine and every B-vitamin included. Serving size and intake directions are transparent, providing clear guidance for metabolic support.

Customer satisfaction

93 Highest impact

High average rating of 4.54 across over 8,100 reviews confirms massive consumer trust and product reliability. Strong feedback confirms the effectiveness of this supplement for vascular and performance goals.

Value for money

96 Highest impact

Cost per serving of 0.44 offers significant value for a 3000mg dose of L-arginine with added B-vitamins. Potency of the active ingredients and the large quantity of reviews justify the overall price point.

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Goals

Impact
Highest effect
A+ Goal FitA- Strength of SupportB- CoverageA+ Formula Quality

This potent formulation provides a high 3000mg dose of L-arginine to support nitric oxide production and cardiovascular health. Arginine is a direct precursor to nitric oxide, which helps maintain healthy blood flow and vascular tone by supporting endothelial function.

The inclusion of B-vitamins like pyridoxine and folate provides complementary support for vascular integrity and healthy homocysteine levels. With an exceptional price-per-gram for the active ingredient, this formulation is an efficient choice for those seeking to support healthy circulatory function through increased nitric oxide synthesis.

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Impact
Highest effect
B+ Goal FitA Strength of SupportC+ CoverageA+ Formula Quality

L-arginine supports the production of nitric oxide which may contribute to improved blood flow during exercise. This mechanism is essential for delivering oxygen and nutrients to active muscle tissues.

B vitamins are included to support metabolic energy pathways during physical training. The arginine-focused profile appears well aligned with the fitness goal of supporting endurance and circulatory health.

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Ingredients

IngredientAmount per serving
Vitamin B6 (Pyridoxine Hydrochloride)
10 mg
Folate
333 mcg DFE
Vitamin B12 (Cyanocobalamin)
50 mcg
L-Arginine
3000 mg
Men 18–50 Dairy Free Vegetarian
Report overview
Arginine · 3000 mg OverallScore80
C- Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyA+ Value
This potent formulation delivers high doses of arginine alongside B-vitamins for enhanced energy metabolism. It is specifically designed for those seeking significant athletic performance and circulatory benefits.
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