Doctor's BEST L-Arginine Sustained Release, 500 mg supplement bottle
Doctor's BEST

L-Arginine Sustained Release, 500 mg

What We Researched
1 active ingredient analyzed · 1 retailer compared · Last updated: Mar 2026
62
Product Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
L-Arginine 1000 mg
Bioavailability Excellent

Absorption Rating

  • L-Arginine Good
Other Ingredients Fair

Fillers & Additives

No inactive ingredient data available.

Efficacy Very Poor

Dosage Analysis

  • L-Arginine 1000 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
L-Arginine 1000 mg

Price Comparison

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Frequently Asked Questions
Is Doctor's BEST L-Arginine Sustained Release, 500 mg a good supplement?

Doctor's BEST L-Arginine Sustained Release, 500 mg received a product quality score of 62/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 1 active ingredients with 120 servings per container.

What are the ingredients in Doctor's BEST L-Arginine Sustained Release, 500 mg?

Doctor's BEST L-Arginine Sustained Release, 500 mg contains 1 active ingredients: L-Arginine (1000 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Doctor's BEST L-Arginine Sustained Release, 500 mg safe to take?

Doctor's BEST L-Arginine Sustained Release, 500 mg has been analyzed for ingredient safety across all its components. 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.