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L-Arginine L-Citrulline Complex

Source Naturals
4.6
★ ★ ★ ★ ★
(4020 ratings)
Arginine 750 mg
Citrulline 250 mg
Product Image
Score91

A reliable and balanced arginine and citrulline tablet for supporting healthy blood flow and nitric oxide levels.

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

Score 91

A reliable and balanced arginine and citrulline tablet for supporting healthy blood flow and nitric oxide levels.

How scoring works

Also available as

1 option
240 servings Arginine 750 mg, Citrulline 250 mg • 240 Tablet(s) • 240 servings $30.79 ($0.12 per serving)
$18.19($0.15 per serving)
iHerb
$ 18.19
Amazon
$ 18.19
Pure Formulas
$ 18.19
Vitacost
$ 18.19
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Analysis

Each tablet provides 750mg of L-arginine hydrochloride and 250mg of L-citrulline. This 3:1 ratio supports the production of nitric oxide, which is essential for maintaining healthy vascular tone and blood flow. It is a very clean and straightforward formula that delivers exactly what is needed for circulatory health.

The tablet format is practical for those who prefer them over capsules. It is an affordable and effective supplement for consistent, long-term cardiovascular support.

Pros

  • Includes both arginine and citrulline
  • 750mg of arginine per tablet
  • Clean and focused formula
  • 120 tablets per bottle

Cons

  • Tablets are large
  • Citrulline dose is modest
  • May take longer to digest

Warnings

  • Consult a healthcare provider before use
  • Discontinue if you feel dizzy
  • Store in a dry location

Nutrient quality

86 Highest impact

Arginine Hydrochloride is used to provide good bioavailability in a concentrated tablet form. While the Citrulline dose is modest, it offers synergistic support for the primary Arginine content.

Ingredient transparency

98 Highest impact

The label provides specific milligram amounts for each active ingredient, following industry best practices. All excipients are clearly listed, and the serving directions are simple to follow.

Customer satisfaction

92 Highest impact

A high volume of reviews and a strong average rating reflect a dependable product with satisfied long-term users. Feedback is consistent with expectations for general circulatory support and amino acid supplementation.

Value for money

89 Highest impact

The price per serving is competitive, especially given the brand's established reputation. It provides a reliable and cost-effective option for individuals seeking daily amino acid support.

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Ingredients

IngredientAmount per serving
Calories
5 Calorie(s)
L-Arginine (L-Arginine Hydrochloride)
 750 mg
L-Citrulline
250 mg
Gluten Free Adults 18–50 Dairy Free
Report overview
Arginine (L-Arginine Hydrochloride) · 750 mg OverallScore68
C- Active Ingredient Quality & BioavailabilityB- Dose, Safety & Label TransparencyB+ Value
This dual-amino acid formula enhances nitric oxide production more efficiently than arginine alone. It is a solid choice for those seeking foundational support for vascular and muscle health.
View ingredientView products
Citrulline · 250 mg OverallScore44
B- Active Ingredient Quality & BioavailabilityD- Dose, Safety & Label TransparencyF Value
This is a basic L-Arginine and L-Citrulline complex in a tablet form. The low dose and lack of specific quality markers make it an entry-level supplement with limited effectiveness.
View ingredientView products
96 Value

L-Citrulline 1000 mg

Nutricost
4.6
★★★★★
(520 ratings)
Offering a high 1000mg dose of citrulline per capsule ensures superior value and efficacy for those seeking consistent circulatory support. This concentrated format provides more active ingredients per dose while remaining highly affordable.
Other sellers (1)
94 Value

L-Arginine 1000 mg

21st Century
4.7
★★★★★
(9825 ratings)
Delivering a high-strength dose of arginine hydrochloride in a single tablet provides better long-term value for maintaining vascular flexibility. It is an ideal way to ensure a potent daily intake of vascular-supporting building blocks at a great price.
Other sellers (2)
92 Value

L-Arginine L-Citrulline Complex

Source Naturals
4.6
★★★★★
(4012 ratings)
Selecting the larger format version of this formula ensures a better value for long-term daily use of these amino acid building blocks. It provides the same reliable ratio of ingredients to support vascular tone and circulatory wellness over many months.
Other sellers (2)
97 Performance

L-Citrulline 2000 mg

AN Amazing Nutrition Amazing Formulas
4.4
★★★★★
(1269 ratings)
Delivering a potent 2000mg dose of citrulline provides much more significant support for sustained vascular performance than lower-dose complexes. High-potency citrulline is often the most effective single nutrient for optimizing the body's nitric oxide production.
Other sellers (2)
97 Performance

L-Arginine Pure Powder

Best Naturals
4.7
★★★★★
(134 ratings)
Using a pharmaceutical-grade arginine powder enables clinical-level dosing that far exceeds typical tablet formulas, maximizing the support for blood flow. The pure powder format ensures high bioavailability and avoids the need for multiple binders.
Other sellers (0)
95 Performance

L-Arginine 3000 mg

Natrol
4.5
★★★★★
(8160 ratings)
Supplying a high dose of arginine alongside essential B vitamins like folate and B6 supports comprehensive cardiovascular and metabolic health. This clinical-strength approach provides far more robust support than entry-level amino acid blends.
Other sellers (3)
92 Budget

L-Arginine + L-Citrulline 750 mg

Nutricost
4.7
★★★★★
(1904 ratings)
Providing a very similar blend of amino acids in a higher count format reduces the daily cost of supporting vascular health. This formulation ensures consistent delivery of the precursors needed for nitric oxide production while being more budget-friendly.
Other sellers (0)
94 Budget

L-Arginine 500 mg

Swanson
4.7
★★★★★
(4118 ratings)
Switching to this high-volume single-active capsule provides a foundational dose for blood flow at one of the lowest price points available. It is a clean and reliable way to maintain basic circulatory wellness over an extended period.
Other sellers (1)
94 Budget

L-Arginine 500 mg

California Gold Nutrition
4.7
★★★★★
(10698 ratings)
Choosing this straightforward amino acid formula in a convenient size helps maintain foundational nitric oxide levels at a very affordable price. It provides high-purity arginine to support cardiovascular integrity and daily vascular tone.
Other sellers (1)
96 Value

L-Citrulline 1000 mg

Nutricost
4.6
★★★★★
(520 ratings)
Offering a high 1000mg dose of citrulline per capsule ensures superior value and efficacy for those seeking consistent circulatory support. This concentrated format provides more active ingredients per dose while remaining highly affordable.
Other sellers (1)
94 Value

L-Arginine 1000 mg

21st Century
4.7
★★★★★
(9825 ratings)
Delivering a high-strength dose of arginine hydrochloride in a single tablet provides better long-term value for maintaining vascular flexibility. It is an ideal way to ensure a potent daily intake of vascular-supporting building blocks at a great price.
Other sellers (2)
92 Value

L-Arginine L-Citrulline Complex

Source Naturals
4.6
★★★★★
(4012 ratings)
Selecting the larger format version of this formula ensures a better value for long-term daily use of these amino acid building blocks. It provides the same reliable ratio of ingredients to support vascular tone and circulatory wellness over many months.
Other sellers (2)
97 Performance

L-Citrulline 2000 mg

AN Amazing Nutrition Amazing Formulas
4.4
★★★★★
(1269 ratings)
Delivering a potent 2000mg dose of citrulline provides much more significant support for sustained vascular performance than lower-dose complexes. High-potency citrulline is often the most effective single nutrient for optimizing the body's nitric oxide production.
Other sellers (2)
97 Performance

L-Arginine Pure Powder

Best Naturals
4.7
★★★★★
(134 ratings)
Using a pharmaceutical-grade arginine powder enables clinical-level dosing that far exceeds typical tablet formulas, maximizing the support for blood flow. The pure powder format ensures high bioavailability and avoids the need for multiple binders.
Other sellers (0)
95 Performance

L-Arginine 3000 mg

Natrol
4.5
★★★★★
(8160 ratings)
Supplying a high dose of arginine alongside essential B vitamins like folate and B6 supports comprehensive cardiovascular and metabolic health. This clinical-strength approach provides far more robust support than entry-level amino acid blends.
Other sellers (3)
Report alternatives