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L-Citrulline 1000 mg

4.6
★ ★ ★ ★ ★
(792 ratings)
Citrulline 1000 mg
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Score79
A clean, clearly labeled citrulline capsule with good dose flexibility, but the modest serving requires several capsules for more substantial exercise use.
How scoring works
Quantity:120 Capsule(s) • (60 servings)
Goals:

Score 79

A clean, clearly labeled citrulline capsule with good dose flexibility, but the modest serving requires several capsules for more substantial exercise use.
How scoring works
$12.95($0.21 per serving)
Vitacost
$ 12.95
iHerb
$ 12.95
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Analysis

Pure L-citrulline is clearly listed at 1,000 mg per serving, without other actives obscuring the amount. The focused formula suits people who want control over their intake.

The serving is light for the amounts often used around exercise, so one serving may offer only modest support. Taking several servings can erase the convenience of the capsule format.

Value is reasonable for a basic citrulline supplement, especially for users who prefer gradual dose adjustment. People seeking a full pre-workout amount in one serving will likely find a powder or higher-dose option more practical.

Who is it for
  • Adults wanting a simple citrulline-only supplement
  • Users who prefer to adjust intake in small steps
Best for
  • Low-to-moderate citrulline intake
  • Capsule users who value a focused formula

Pros

  • Clearly discloses the L-citrulline amount
  • Uses a single active ingredient
  • Allows flexible dose adjustment

Cons

  • One serving is modest for exercise-focused use
  • Larger amounts require several capsules
  • No branded source or purity marker is disclosed

Warnings

  • Taking several servings at once may cause stomach discomfort in sensitive users.
  • L-citrulline may add to the blood-pressure-lowering effects of antihypertensive medicine.
  • Combining larger citrulline amounts with nitrate medicine or erectile-dysfunction medicine may increase lightheadedness.

Nutrient quality

79 High impact

Pure L-citrulline is a useful and straightforward form. The low dose sharply limits practical depth.

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Ingredient transparency

85 Highest impact

The active identity and amount are clear without a hidden blend. Complete directions, inactive ingredients, and source-quality markers remain missing.

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Customer satisfaction

69 High impact

The supplied average is strong and supported by substantial volume. No review themes were provided, so consistency and purpose-specific experience cannot be assessed.

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Value for money

78 High impact

The simple formula offers modest budget value. The low amount per serving requires multiple servings for common performance use.

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Ingredients

IngredientAmount per serving
L-Citrulline
1000 mg
Gluten Free Adults 18–50
Report overview
Citrulline · 1000 mg OverallScore76
A- Active Ingredient Quality & BioavailabilityC Dose, Safety & Label TransparencyB Value

Pure L-citrulline provides a clearly identified active form without dilution from malic acid. The amount is substantially below the range commonly used for exercise performance, so multiple capsules would be needed to reach that level. Its simple formula and reasonable cost per unit of active ingredient support good value.

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83 Performance

L-Citrulline 2000 mg

AN Amazing Nutrition Amazing Formulas
<p>Pure L-citrulline provides a clean single-ingredient formula at a clearly disclosed amount. Compared with L-Citrulline 1000 mg, the larger citrulline serving without a proprietary blend provides a stronger ingredient-based fit for nitric-oxide or exercise support, although the amount still provides only moderate performance support.</p>
67 Performance

Pump-Ocalypse Blue Raz

Bucked Up
<p>Glycerol, citrulline, arginine, and agmatine form a coherent stimulant-free pump blend. Compared with L-Citrulline 1000 mg, the broader hydration and nitric-oxide ingredient profile provides a stronger ingredient-based fit for nitric-oxide or exercise support, although several amounts are moderate and a mushroom blend is opaque.</p>
65 Performance

High Volume Blue Frost

PEScience
<p>L-citrulline, arginine nitrate, and agmatine create a substantial stimulant-free pump formula. Compared with L-Citrulline 1000 mg, the broader pump-oriented combination of citrulline, nitrate, and agmatine provides a stronger ingredient-based fit for nitric-oxide or exercise support, although part of the matrix is hidden and arginine nitrate may interact with nitrate or blood-pressure medicines.</p>
79 Budget

L-Arginine + L-Citrulline 750 mg

Nutricost
<p>Clearly separated L-arginine and L-citrulline provide a simple nitric-oxide-support combination. Its lower cost per serving than L-Citrulline 1000 mg makes it a more economical choice, although both amounts are too low for targeted performance use without multiple capsules.</p>
78 Budget

L-Arginine L-Citrulline Complex 1000 mg

Best Naturals
<p>L-arginine hydrochloride and free-form L-citrulline create a focused two-amino-acid formula. Its lower cost per serving than L-Citrulline 1000 mg makes it a more economical choice, although the citrulline amount is far below targeted performance use.</p>
78 Budget

Arginine & Citrulline 500 mg / 250 mg

NOW Sports
<p>Clearly disclosed L-arginine and L-citrulline provide a concise nitric-oxide-support formula. Its lower cost per serving than L-Citrulline 1000 mg makes it a more economical choice, although both serving amounts are far below targeted performance ranges.</p>
77 Value

L-Citrulline 500 mg

California Gold Nutrition
<p>Pure L-citrulline provides a clean, easy-to-assess single-ingredient formula. Compared with L-Citrulline 1000 mg, its lower serving cost and the transparent single-ingredient design support a more favorable quality-to-cost balance, although the citrulline amount is well below common performance use.</p>
78 Value

L-Arginine L-Citrulline Complex

Source Naturals
<p>A focused L-arginine and L-citrulline combination offers clearly disclosed amino-acid support. Compared with L-Citrulline 1000 mg, its lower serving cost and the concise arginine-citrulline pairing support a more favorable quality-to-cost balance, although citrulline is far below targeted use and arginine may add to blood-pressure-lowering medicines.</p>
77 Value

Arginine & Citrulline 500 mg/250 mg

NOW Sports
<p>Clearly disclosed L-arginine and L-citrulline create a focused nitric-oxide formula. Compared with L-Citrulline 1000 mg, its lower serving cost and the transparent arginine-citrulline pairing support a more favorable quality-to-cost balance, although both amounts are far below targeted performance ranges.</p>
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