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L-Citrulline 500 mg

4.7
★ ★ ★ ★ ★
(3781 ratings)
Citrulline 500 mg
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Score77
A clean and inexpensive low-dose citrulline capsule, but 500 mg per serving is impractical for most exercise-oriented intake.
How scoring works
Quantity:60 Capsule(s) • (60 servings)
Goals:

Score 77

A clean and inexpensive low-dose citrulline capsule, but 500 mg per serving is impractical for most exercise-oriented intake.
How scoring works
$7.56($0.12 per serving)
iHerb
$ 7.56
Amazon
$ 7.90
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Analysis

L-citrulline is the only listed active, with 500 mg in each serving. Clear labeling and a focused formula are useful for people who want small dose increments.

The amount is too modest to serve as a convenient exercise dose on its own. Reaching a larger intake would require many capsules and could be harder on the stomach.

The low initial serving cost looks attractive, but cost and convenience should be judged at the amount a user actually intends to take. It best fits low-dose use rather than a full pre-workout routine.

Who is it for
  • Adults wanting small citrulline dose increments
  • Users testing tolerance before increasing intake
Best for
  • Low-dose citrulline use
  • Fine-grained capsule dosing

Pros

  • Uses one clearly disclosed active
  • Allows small dose adjustments
  • Has a low cost per listed serving

Cons

  • The 500 mg serving is very modest
  • Exercise-focused amounts require many capsules
  • No branded source or purity marker is disclosed

Warnings

  • Taking many capsules at once to reach a larger amount may cause stomach discomfort or loose stools.
  • L-citrulline may add to the effects of antihypertensive medicine and cause lightheadedness.
  • Combining larger citrulline amounts with nitrate medicine or erectile-dysfunction medicine may lower blood pressure further.

Nutrient quality

76 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

72 High impact

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

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Value for money

72 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
500 mg
Gluten Free Adults 18–50 Dairy Free
Report overview
Citrulline · 500 mg OverallScore66
A- Active Ingredient Quality & BioavailabilityD- Dose, Safety & Label TransparencyB Value

The clean single-ingredient capsule clearly identifies free-form L-citrulline and its exact amount. A 500 mg serving is too low for the collection’s intended exercise or blood-flow use without taking multiple capsules. Cost per gram is good, although no branded, fermented, pharmaceutical-grade, or tested-purity marker is disclosed.

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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 500 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 500 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 500 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 500 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 500 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 500 mg makes it a more economical choice, although both serving amounts are far below targeted performance ranges.</p>
79 Value

L-Citrulline 1000 mg

Nutricost
<p>Pure L-citrulline provides a clean and transparent single-ingredient formula. Compared with L-Citrulline 500 mg, its ingredient advantages and the simple formula and clearly disclosed citrulline amount support a more favorable quality-to-cost balance, although the amount remains 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 500 mg, its ingredient advantages 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 500 mg, its ingredient advantages 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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