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L-Arginine + L-Citrulline 750 mg

Nutricost
4.7
★ ★ ★ ★ ★
(2652 ratings)
Arginine 500 mg
Citrulline 250 mg
Product Image
Score79
Exceptional bottle value and clear forms help, but meaningful dosing still requires several capsules.
How scoring works
Quantity:240 Capsule(s) • (240 servings)
Goals:

Score 79

Exceptional bottle value and clear forms help, but meaningful dosing still requires several capsules.
How scoring works
$17.95($0.07 per serving)
Vitacost
$ 17.95
iHerb
$ 18.95
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Analysis

One capsule contains 500 mg of L-arginine and 250 mg of L-citrulline. The forms are straightforward and their combination is coherent for nitric-oxide support.

Neither amount approaches a strong performance serving on its own, with citrulline especially low. Several capsules would be necessary, increasing pill burden even though the bottle contains many units.

Excellent cost efficiency is the main advantage over similar low-dose products. It suits users who want control over a gradually adjusted dose and are comfortable calculating intake beyond the label serving.

Who is it for
  • Budget-conscious amino-acid users
  • Adults who want flexible capsule dosing
  • People comfortable using multiple capsules
Best for
  • Low-cost adjustable dosing
  • Basic nitric-oxide support
  • Long-term capsule supply

Pros

  • Excellent cost efficiency
  • Large 240-capsule supply
  • Clear L-arginine and L-citrulline amounts

Cons

  • Single serving is underdosed
  • Citrulline amount is especially low
  • No enhanced delivery technology

Warnings

  • Arginine and citrulline may add to nitrates, blood-pressure medicines, or PDE-5 inhibitors and cause dizziness or excessive blood-pressure lowering.
  • Arginine can trigger herpes simplex recurrences in some susceptible users.
  • Higher amino-acid intake may cause nausea, cramping, or diarrhea.

Nutrient quality

75 High impact

The clearly named amino acids form a coherent nitric-oxide combination. Very low amounts substantially limit practical dose quality.

Ingredient transparency

81 Highest impact

Active quantities and amino-acid forms are clearly disclosed without a hidden blend. Missing full directions and non-active ingredients leave the label incomplete.

Customer satisfaction

72 High impact

The supplied average rating is very strong and the rating volume is substantial. No specific experience details were provided to judge repeated complaints or purpose alignment.

Value for money

87 Highest impact

The formula provides fair value for its cost. It compares favorably within the category despite remaining limitations.

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Ingredients

IngredientAmount per serving
L-Arginine
500 mg
L-Citrulline
250 mg
Gluten Free Adults 18–50
Report overview
Arginine · 500 mg OverallScore63
C+ Active Ingredient Quality & BioavailabilityD- Dose, Safety & Label TransparencyA+ Value

The formula uses clearly identified L-arginine in a standard immediate-release capsule. Its low serving dose may require multiple capsules to approach amounts commonly used for fitness or circulation support. Cost efficiency is strong because the bottle supplies a large total amount of arginine at a low relative price.

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Citrulline · 250 mg OverallScore59
B- Active Ingredient Quality & BioavailabilityD- Dose, Safety & Label TransparencyB Value

Pure L-citrulline is a well-defined form, but the amount per serving is far below an effective performance dose. The label clearly separates it from the accompanying arginine, although no sourcing or purity marker is provided. Low total cost translates to good cost efficiency per gram despite the weak serving dose.

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73 Performance

Wellness ImmuNitric

Source Naturals
A substantial arginine amount with modest citrulline and B-vitamin support creates a coherent vascular formula at reasonable value. Duplicate folate entries reduce label clarity, and the vasodilating combination may add to nitrates or blood-pressure medicines. Compared with the original, its Arginine and Citrulline coverage and stronger formulation depth make it a better quality-focused match.
78 Performance

L-Arginine L-Citrulline Complex 1000 mg

Best Naturals
L-arginine hydrochloride and free-form citrulline provide a focused combination with good supply economy. The arginine amount is only moderate and the citrulline amount is far below targeted performance use. Compared with the original, its Arginine and Citrulline coverage and stronger formulation depth make it a better quality-focused match.
78 Performance

Arginine & Citrulline 500 mg / 250 mg

NOW Sports
A large supply of clearly disclosed L-arginine and L-citrulline offers efficient routine value. Very low serving amounts mean targeted nitric-oxide or exercise use would require many capsules. Compared with the original, its Arginine and Citrulline coverage and stronger formulation depth make it a better quality-focused match.
81 Budget

L-Arginine 500 mg

Best Naturals
L-arginine hydrochloride is a clear, soluble standard form. The arginine amount is low for focused circulation or fitness use. Compared with the original, its lower serving cost improves affordability while retaining Arginine support.
67 Budget

Pump-Ocalypse Blue Raz

Bucked Up
No genuinely cheaper eligible option remains for this required slot. Glycerol, citrulline, arginine, and agmatine form a coherent stimulant-free pump formula, but several amounts are moderate rather than full strength. The formula keeps Arginine and Citrulline in scope but should be viewed as a close eligible substitute rather than a lower-cost option.
74 Budget

Wellness ImmuNitric

Source Naturals
No genuinely cheaper eligible option remains for this required slot. A substantial arginine amount with modest citrulline and B-vitamin support creates a coherent vascular formula at favorable value. The formula keeps Arginine and Citrulline in scope but should be viewed as a close eligible substitute rather than a lower-cost option.
78 Value

L-Arginine L-Citrulline Complex

Source Naturals
A large supply of focused arginine and citrulline offers reasonable routine value. The arginine amount is modest, the citrulline amount is far below targeted use, and arginine may add to blood-pressure-lowering medicines. Compared with the original, its Arginine and Citrulline coverage and balance of formula depth and serving cost provide better practical value.
77 Value

Arginine & Citrulline 500 mg/250 mg

NOW Sports
Clearly disclosed L-arginine and L-citrulline provide a focused nitric-oxide formula at a low serving cost. Both amounts are far below targeted performance ranges, so meaningful use would require many capsules. Compared with the original, its Arginine and Citrulline coverage and balance of formula depth and serving cost provide better practical value.
80 Value

Nitric Oxide Booster

Nutricost Performance
Three arginine forms provide a moderate combined amount and clear nitric-oxide focus at favorable value. Citrulline remains underdosed, and the undisclosed citrulline-malate ratio makes its active contribution uncertain. Compared with the original, its Arginine and Citrulline coverage and balance of formula depth and serving cost provide better practical value.
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