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L-Arginine + L-Citrulline 750 mg

Nutricost
4.7
★ ★ ★ ★ ★
(1904 ratings)
Citrulline 250 mg
Arginine 500 mg
Product Image
Score93

A cost-effective bulk supply of synergistic arginine and citrulline capsules for long-term circulatory support.

How scoring works
Quantity:240 Capsule(s) • (240 servings)
Goals:

Score 93

A cost-effective bulk supply of synergistic arginine and citrulline capsules for long-term circulatory support.

How scoring works
$17.95($0.07 per serving)
Vitacost
$ 17.95
iHerb
$ 18.95
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Analysis

Each capsule provides 500mg of L-arginine and 250mg of L-citrulline. This combination targets nitric oxide production through two different pathways, which may help maintain healthy levels more consistently. The bulk supply is ideal for long-term daily users who want to save money on their heart health routine.

The formula is clean and straightforward, fitting well into a cardiovascular maintenance plan. It is a sensible choice for those who value both quality and affordability.

Pros

  • Large 240-count bottle
  • Includes both arginine and citrulline
  • Very low cost per serving
  • Convenient capsule form

Cons

  • Modest citrulline dose per capsule
  • Gelatin-based capsules
  • Bottle is quite large

Warnings

  • Talk to a professional before use if on medication
  • Stop use if you experience persistent headaches
  • Keep away from children

Nutrient quality

83 Highest impact

The inclusion of both Citrulline and Arginine follows established nutritional logic for vascular support. While the Citrulline concentration is low for performance, it serves as a helpful adjunct to the Arginine content.

Ingredient transparency

99 Highest impact

The label provides full transparency regarding the amounts of each active ingredient, allowing users to know exactly what they are consuming. All non-active components are clearly listed without ambiguity.

Customer satisfaction

93 Highest impact

Strong ratings and a significant review volume suggest high levels of consumer trust and perceived efficacy. Feedback typically indicates satisfaction with the product's value and ease of use.

Value for money

98 Highest impact

This product offers exceptional value, providing a high count of servings at a very low price point. It is one of the most competitive options available for daily nitric oxide support.

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Ingredients

IngredientAmount per serving
L-Arginine
500 mg
L-Citrulline
250 mg
Gluten Free Adults 18–50
Report overview
Citrulline · 250 mg OverallScore71
A+ Active Ingredient Quality & BioavailabilityD- Dose, Safety & Label TransparencyB Value
This supplement combines L-Arginine and L-Citrulline in a cost-effective capsule format. However, the dose of L-Citrulline per serving is too low to provide significant exercise performance benefits.
View ingredientView products
Arginine · 500 mg OverallScore67
C+ Active Ingredient Quality & BioavailabilityD+ Dose, Safety & Label TransparencyA+ Value
Combining arginine and citrulline provides comprehensive support for heart health and nitric oxide levels. This foundational formula is balanced for both daily wellness and moderate fitness support.
View ingredientView products
96 Value

L-Citrulline 1000 mg

Nutricost
4.6
★★★★★
(520 ratings)
Supplying a concentrated dose of citrulline in each capsule ensures a high value-to-potency ratio for vascular wellness. It provides a more robust amount of this critical amino acid for a very competitive price point.
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94 Value

L-Arginine 1000 mg

21st Century
4.7
★★★★★
(9825 ratings)
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Nitric Oxide Booster

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4.8
★★★★★
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Combining multiple forms of both arginine and citrulline, including malate and AKG forms, offers superior value for those seeking comprehensive nitric oxide support. This multi-ingredient approach ensures diverse pathways are supported for optimal vascular health.
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L-Citrulline 2000 mg

AN Amazing Nutrition Amazing Formulas
4.4
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N.O. Pro with Beet Root

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4.2
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L-Arginine 3000 mg

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4.5
★★★★★
(8160 ratings)
Pairing a robust 3000mg dose of arginine with B vitamins like folate and B6 supports not just nitric oxide synthesis but also broader metabolic cardiovascular health. This clinical-strength approach provides far more comprehensive support than entry-level blends.
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L-Arginine 500 mg

Swanson
4.7
★★★★★
(4118 ratings)
Choosing a single-ingredient arginine supplement in a bulk format allows for a focused and highly affordable way to support nitric oxide pathways. It provides a simple, clean delivery of the amino acid needed for healthy circulatory function.
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L-Arginine 500 mg

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Providing foundational support for blood flow in a high-count format ensures consistent nutrient delivery at a very low cost. This formula is ideal for long-term daily use without adding complexity to a wellness routine.
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L-Arginine 700 mg

NOW
4.8
★★★★★
(941 ratings)
Providing a slightly higher dose per capsule than basic 500mg versions while remaining very economical helps support vascular tone efficiently. It offers excellent purity for those seeking to maintain healthy cardiovascular pathways.
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96 Value

L-Citrulline 1000 mg

Nutricost
4.6
★★★★★
(520 ratings)
Supplying a concentrated dose of citrulline in each capsule ensures a high value-to-potency ratio for vascular wellness. It provides a more robust amount of this critical amino acid for a very competitive price point.
Other sellers (1)
94 Value

L-Arginine 1000 mg

21st Century
4.7
★★★★★
(9825 ratings)
Offering a high-strength dose of arginine hydrochloride in a single tablet provides better long-term value for maintaining vascular flexibility. It provides a simple and effective way to reach daily amino acid goals for circulatory support.
Other sellers (2)
92 Value

Nitric Oxide Booster

Nutricost Performance
4.8
★★★★★
(690 ratings)
Combining multiple forms of both arginine and citrulline, including malate and AKG forms, offers superior value for those seeking comprehensive nitric oxide support. This multi-ingredient approach ensures diverse pathways are supported for optimal vascular health.
Other sellers (1)
97 Performance

L-Citrulline 2000 mg

AN Amazing Nutrition Amazing Formulas
4.4
★★★★★
(1269 ratings)
Delivering a highly potent dose of citrulline provides much more significant support for nitric oxide levels and vascular endurance than a lower-dose blend. This concentrated single ingredient is often more effective for those with higher circulatory performance needs.
Other sellers (2)
93 Performance

N.O. Pro with Beet Root

ZHOU
4.2
★★★★★
(3554 ratings)
Combining diverse arginine sources like AKG with citrulline malate and beet root creates a powerful synergy for supporting blood flow. This specialized blend is designed to maximize vascular support through multiple biological mechanisms.
Other sellers (4)
95 Performance

L-Arginine 3000 mg

Natrol
4.5
★★★★★
(8160 ratings)
Pairing a robust 3000mg dose of arginine with B vitamins like folate and B6 supports not just nitric oxide synthesis but also broader metabolic cardiovascular health. This clinical-strength approach provides far more comprehensive support than entry-level blends.
Other sellers (3)
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