L-ARGININE PRO L-Arginine, 5,500 mg supplement bottle
L-ARGININE PRO

L-Arginine, 5,500 mg

What We Researched
14 active ingredients analyzed · 5 inactive ingredients decoded · 1 retailer compared · Last updated: Mar 2026
80
Product Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C (as ascorbic acid) 60 mg 67%
Vitamin D (as cholecalciferol) 62.5 mcg 313%
Vitamin K (as phylloquinone) 20 mcg 17%
Vitamin B6 (as pyridoxine HCI) 2 mg 118%
Folate 667 mcg DFE 167%
(400 mcg folic acid)
Vitamin B12 (as cyanocobalamin) 6 mcg 250%
Calcium 30 mg 2%
Magnesium (as magnesium citrate) 20 mg 5%
L-Arginine 5.5 g
L-Citrulline 1.1 g
Stevia leaf extract 125 mg
Aquamin™ [from mineralized seaweed extract (Lithothamnion sp.)] 100 mg
Bioavailability Very Good

Absorption Rating

  • Vitamin C (as ascorbic acid) Fair
  • Vitamin D (as cholecalciferol) Good
  • Vitamin K (as phylloquinone) Fair
  • Vitamin B6 (as pyridoxine HCI) Fair
  • Folate Fair
  • (400 mcg folic acid) Fair
  • Vitamin B12 (as cyanocobalamin) Fair
  • Calcium Good
  • Magnesium (as magnesium citrate) Good
  • L-Arginine Good
  • L-Citrulline Good
  • Stevia leaf extract Good
  • Aquamin™ [from mineralized seaweed extract (Lithothamnion sp.)] Good
Other Ingredients Excellent

Fillers & Additives

  • Citric Acid
  • Xylitol
  • Natural Orange Flavor
  • Beta Carotene (For Color)
  • Silica
Efficacy Fair

Dosage Analysis

  • Vitamin C (as ascorbic acid) 60 mg Under-dosed
  • Vitamin D (as cholecalciferol) 62.5 mcg Effective
  • Vitamin K (as phylloquinone) 20 mcg Under-dosed
  • Vitamin B6 (as pyridoxine HCI) 2 mg Effective
  • Folate 667 mcg DFE Effective
  • Vitamin B12 (as cyanocobalamin) 6 mcg Effective
  • Calcium 30 mg Under-dosed
  • Magnesium (as magnesium citrate) 20 mg Under-dosed
  • L-Arginine 5.5 g Effective
  • L-Citrulline 1.1 g Under-dosed
  • Stevia leaf extract 125 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Calories 45
Vitamin C (as ascorbic acid) 60 mg 67%
Vitamin D (as cholecalciferol) 62.5 mcg 313%
Vitamin K (as phylloquinone) 20 mcg 17%
Vitamin B6 (as pyridoxine HCI) 2 mg 118%
Folate 667 mcg DFE 167%
(400 mcg folic acid)
Vitamin B12 (as cyanocobalamin) 6 mcg 250%
Calcium 30 mg 2%
Magnesium (as magnesium citrate) 20 mg 5%
L-Arginine 5.5 g
L-Citrulline 1.1 g
Stevia leaf extract 125 mg
Aquamin™ [from mineralized seaweed extract (Lithothamnion sp.)] 100 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Citric Acid Safe

Adds tartness and acts as a natural preservative. Also aids in ingredient stability.

Xylitol Safe

Provides sweetness with reduced calorie content. Does not promote tooth decay.

Natural Orange Flavor Safe

It is used to add orange flavor to the supplement.

Beta Carotene (For Color) Safe

It provides a yellow or orange color to the product.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Price Comparison

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
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Frequently Asked Questions
Is L-ARGININE PRO L-Arginine, 5 a good supplement?

L-ARGININE PRO L-Arginine, 5,500 mg received a product quality score of 80/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 14 active ingredients with 30 servings per container. All 5 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives.

What are the ingredients in L-ARGININE PRO L-Arginine, 5?

L-ARGININE PRO L-Arginine, 5 contains 14 active ingredients: Calories (45), Vitamin C (as ascorbic acid) (60 mg), Vitamin D (as cholecalciferol) (62.5 mcg), Vitamin K (as phylloquinone) (20 mcg), Vitamin B6 (as pyridoxine HCI) (2 mg), Folate (667 mcg DFE), and 8 more. Notable high-dose ingredients include Vitamin D at 313% DV, Vitamin B12 at 250% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is L-ARGININE PRO L-Arginine, 5 safe to take?

L-ARGININE PRO L-Arginine, 5,500 mg has been analyzed for ingredient safety across all its components. All 5 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.