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L-Arginine L-Citrulline Complex 1000 mg

Best Naturals
4.8
★ ★ ★ ★ ★
(372 ratings)
Arginine 750 mg
Citrulline 250 mg
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Score78
Strong arginine value and a moderate one-tablet amount stand out, but citrulline remains token-level.
How scoring works
Quantity:250 Tablet(s) • (250 servings)
Goals:

Score 78

Strong arginine value and a moderate one-tablet amount stand out, but citrulline remains token-level.
How scoring works
$21.51($0.08 per serving)
Vitacost
$ 21.79
iHerb
$ 21.51
iHerb
$ 21.51
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Analysis

One tablet provides 750 mg of L-arginine hydrochloride and 250 mg of L-citrulline. The arginine portion is moderate for a single unit, and the pairing remains logically aligned with nitric-oxide production.

Citrulline is still too low to make a strong independent contribution to exercise blood flow. Arginine hydrochloride is clearly identified, but the label gives no purity standard or sustained-release feature.

A very large tablet count and low ongoing cost make the product economical for adjustable use. It fits users prioritizing arginine value more than those shopping for a properly dosed citrulline supplement.

Who is it for
  • Adults prioritizing arginine supplementation
  • People who prefer tablets and adjustable dosing
  • Value-focused long-term users
Best for
  • Arginine-led nitric-oxide support
  • Large-supply supplementation
  • Users treating citrulline as a minor addition

Pros

  • Moderate arginine amount per tablet
  • Very large tablet supply
  • Strong cost efficiency for arginine

Cons

  • Citrulline is substantially underdosed
  • No sustained-release technology
  • Compressed tablets may be harder to swallow

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

78 High impact

Specific amino-acid forms and a focused nitric-oxide purpose support basic quality. Modest arginine and very low citrulline sharply limit dose depth.

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

69 High impact

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

Value for money

81 Highest impact

The formula provides fair value for its cost. It remains moderately competitive but does not clearly lead the category.

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Ingredients

IngredientAmount per serving
L-Arginine Hydrochloride
750 mg
L-Citrulline
250 mg
Gluten Free Adults 18–50 Sugar Free
Report overview
Arginine · 750 mg OverallScore68
C- Active Ingredient Quality & BioavailabilityC Dose, Safety & Label TransparencyA+ Value

L-arginine hydrochloride is clearly identified, but the compressed tablet has no stated release technology. The serving provides a moderate amount that may still require additional tablets for performance-level use. A large total supply of arginine gives the bottle strong cost efficiency.

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Citrulline · 250 mg OverallScore52
B- Active Ingredient Quality & BioavailabilityD- Dose, Safety & Label TransparencyD- Value

Pure L-citrulline is a well-defined form, but the amount per tablet is far below an effective performance dose. The label makes the citrulline amount clear, while sourcing and purity standards remain undisclosed. Its low serving cost masks a relatively high cost per gram of active L-citrulline.

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Loading alternative details
67 Performance

Pump-Ocalypse Blue Raz

Bucked Up
Glycerol, citrulline, arginine, and agmatine form a coherent stimulant-free pump formula, but several amounts are moderate rather than full strength. An opaque mushroom blend and low betaine amount weaken dose quality and disclosure. Compared with the original, its Arginine and Citrulline coverage and stronger formulation depth make it a better quality-focused match.
74 Performance

Wellness ImmuNitric

Source Naturals
A substantial arginine amount with modest citrulline and B-vitamin support creates a coherent vascular formula at favorable value. Duplicate folate entries reduce clarity, and the three-tablet serving may add to the effects of 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

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.
79 Budget

L-Arginine + L-Citrulline 750 mg

Nutricost
A large supply of clearly separated L-arginine and L-citrulline provides economical but basic nitric-oxide support. Both amounts are too low for targeted performance use without taking multiple capsules. Compared with the original, its lower serving cost improves affordability while retaining Arginine and Citrulline support.
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.
80 Budget

L-Arginine 700 mg

NOW
A convenient capsule provides an intermediate arginine amount with strong serving value. No premium grade or sustained release is identified, and multiple capsules would be needed for stronger targeted use. Compared with the original, its lower serving cost improves affordability while retaining Arginine support.
73 Value

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 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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