The Vitamin Shoppe Arginine & Ornithine 2000 MG supplement bottle
The Vitamin Shoppe

Arginine & Ornithine 2000 MG Review

What We Researched
2 active ingredients analyzed · 5 inactive ingredients decoded · 4 brand certifications checked · Last updated: Aug 2026
75
Product Score Fair
83
Brand Score Good

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
L-Ornithine 750 mg
L-Arginine base 1250 mg
Bioavailability Excellent

Absorption Rating

  • L-Ornithine Good
  • L-Arginine base Good
Other Ingredients Excellent

Fillers & Additives

  • Gelatin
  • Microcrystalline Cellulose
  • Magnesium Stearate
  • Stearic Acid
  • Silicon Dioxide
Efficacy Very Poor

Dosage Analysis

  • L-Ornithine 750 mg Under-dosed
  • L-Arginine base 1250 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
L-Ornithine 750 mg
L-Arginine base 1250 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Gelatin Safe

Forms the capsule shell that holds the supplement contents.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Brand Trust Report
The Vitamin Shoppe

Founded 1977 · Secaucus, New Jersey, U.S. · 1050 products · vitaminshoppe.com

Certifications

4 certifications
Nsf Certified For Sport Verified Source
Fda Gmp Inspections Verified Source
Usda Organic Verified Source
Non-GMO Project Verified Verified

Transparency

4 claims
Third Party Testing Claim — Verified Source
Coa Availability — Verified Source
Contains Proprietary Blend — True

Violation History

6 incidents
Lawsuit Understating the sodium content of its Plnt Organic Protein Bar.2025Source
Prop 65 Lead2024-02-08Source
Lawsuit Failure to pay accurate wages and provide proper breaks.2023Source
Lawsuit False and misleading labeling on BodyTech glutamine supplements.2023Source
Recall Vthrive Bioactive Women's One-Daily Multi vitamins2020-09-24Source
Recall The Vitamin Shoppe Energy Formula multivitamins2020-04-16Source
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Frequently Asked Questions
Is The Vitamin Shoppe Arginine & Ornithine 2000 MG a good supplement?

The Vitamin Shoppe Arginine & Ornithine 2000 MG received a product quality score of 75/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 2 active ingredients with 100 servings per container. All 5 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, The Vitamin Shoppe, holds a brand trust score of 83/100 with 4 verified certifications including Nsf Certified For Sport, Fda Gmp Inspections, Usda Organic, Non-GMO Project Verified.

What are the ingredients in The Vitamin Shoppe Arginine & Ornithine 2000 MG?

The Vitamin Shoppe Arginine & Ornithine 2000 MG contains 2 active ingredients: L-Ornithine (750 mg), L-Arginine base (1250 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is The Vitamin Shoppe Arginine & Ornithine 2000 MG safe to take?

The Vitamin Shoppe Arginine & Ornithine 2000 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.

Is The Vitamin Shoppe a trustworthy supplement brand?

The Vitamin Shoppe receives a brand trust score of 83/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1977 and headquartered in Secaucus, New Jersey, U.S., the company offers 1050 products in their lineup. They hold 4 verified certifications including Nsf Certified For Sport, Fda Gmp Inspections, Usda Organic, Non-GMO Project Verified. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: The Vitamin Shoppe has 6 historical regulatory incidents on record, which are factored into the trust score.

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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 — read our methodology. 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.