Arginine & Citrulline 500 mg/250 mg

Arginine & Citrulline 500 mg/250 mg

NOW Sports4.6 (8,129 ratings)
Format:Capsule Quantity: 120 Capsule(s) · 120 servings
$15.60 $0.13 per serving
Daily VitaLowest$15.60Pure Formulas$16.06Amazon$16.39iHerb$16.52Vitacost$17.17

Product analysis

50 out of 100

Arginine & Citrulline 500 mg/250 mg offers a focused combination of two amino acids. The unspecified forms make comparison with other preparations harder.

AI assessment of the formula, label and price. How scoring works

Nutrient Quality20

Neither amino acid has a specified form. The preparation quality of both remains uncertain.

Ingredient Transparency63

Both ingredient amounts are listed. The missing form details limit comparison beyond the serving amounts.

Value For Money60

The arginine content compares favorably for the cost, while citrulline is less competitively priced. The combination therefore offers mixed value.

Customer Satisfaction88

Feedback is positive across thousands of ratings. The large response gives a broad picture of customer satisfaction.

Product Focus40

The formula stays focused on arginine and citrulline. Its effectiveness for a particular health goal remains uncertain.

Format
Capsule
Container
120 Capsule(s)
Per serving
$0.13
Customer rating
4.6 · 8,129 ratings
Report analysis

Ingredients

IngredientAmount per servingScore
L-Arginine
500 mg 56
L-Citrulline
250 mg 52
Gluten Free Adults 18–50 Kosher Dairy Free
Report overview
Arginine · 500 mg OverallScore56
B- Active Ingredient Quality & BioavailabilityF Dose, Safety & Label TransparencyB+ Value
A serving supplies 500 mg of L-Arginine, at a low product price per gram of arginine. Assigning the full product price to arginine may overstate its individual cost. The amount is low for circulation or fitness support. The ingredient is L-Arginine.
How this ingredient is rated

Active Ingredient Quality & Bioavailability70

The ingredient is L-Arginine.
Arginine Form & Sourcing Purity
The ingredient is L-Arginine.

Dose, Safety & Label Transparency30

500 mg per serving is a low amount for circulation or fitness support.
Arginine Dose Per Serving
500 mg per serving is a low amount for circulation or fitness support.

Value80

The full product price per gram of arginine is fairly low. Assigning the full product price to arginine may overstate its individual cost.
Price Per Gram of Arginine
The full product price per gram of arginine is fairly low. Assigning the full product price to arginine may overstate its individual cost.
View ingredientView products
Citrulline · 250 mg OverallScore52
B- Active Ingredient Quality & BioavailabilityD- Dose, Safety & Label TransparencyD- Value
Each serving provides 250 mg of L-Citrulline, a low amount for exercise performance, at a moderate cost per gram. No specific citrulline purity or sourcing assurance is available.
How this ingredient is rated

Active Ingredient Quality & Bioavailability70

L-Citrulline provides the free form. No specific citrulline purity or sourcing assurance is available.
Citrulline Form Specificity
L-Citrulline is the free form of the amino acid.
Purity and Sourcing Markers
No specific citrulline purity or sourcing assurance is available.

Dose, Safety & Label Transparency40

The listed 250 mg per serving is a low amount for exercise performance.
L-Citrulline Dosage Efficacy
Each serving provides 250 mg of L-Citrulline, a low amount for exercise performance.
Label Clarity and Transparency
The L-Citrulline amount is stated separately.

Value40

The cost per gram of L-Citrulline is moderate.
Price per Gram of L-Citrulline
The cost per gram of L-Citrulline is moderate.
View ingredientView products
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.
78 Budget

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 lower serving cost improves affordability while retaining Arginine and Citrulline support.
78 Budget

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 lower serving cost improves affordability while retaining Arginine and Citrulline 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.
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.
73 Value

Nitri Oxide Support

Pure Encapsulations
A substantial AAKG amount and vitamin C provide a coherent exercise-circulation base. Citrulline malate is underdosed with an undisclosed ratio, while the relatively costly serving weakens value. 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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