Primaforce L-Arginine, 300 Capsules (500 mg per Capsule) supplement bottle
Primaforce

L-Arginine, 300 Capsules (500 mg per Capsule)

What We Researched
1 active ingredient analyzed · 4 inactive ingredients decoded · 1 brand certification checked · 1 retailer compared · Last updated: Mar 2026
75
Product Score Fair
62
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
L-Arginine 1,000 mg *
Bioavailability Excellent

Absorption Rating

  • L-Arginine Good
Other Ingredients Excellent

Fillers & Additives

  • Rice Flour
  • Gelatin Capsule
  • Magnesium Stearate (Vegetable Source)
  • Silica
Efficacy Very Poor

Dosage Analysis

  • L-Arginine 1,000 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
L-Arginine 1,000 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Rice Flour Safe

Natural bulking agent to fill capsule space. Hypoallergenic.

Gelatin Capsule Safe

It is used as a material for making capsules.

Magnesium Stearate (Vegetable Source) Generally_safe

It is used to prevent ingredients from sticking to manufacturing equipment.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$15$14$13$12$11 Mar 12 $13.00
iHerb

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

Brand Trust Report
Primaforce

· Burlington, NC, USA / Vineyard, UT, USA · 75 products · primaforce.com/

Certifications

1 certification
Consumerlab Verified Source

Transparency

1 claim
Third Party Testing Claim — Claimed Source

Violation History

1 incident
Fda Warning Manufacturing violations at a contract manufacturer (Milk Specialties Global).2011-12-19Source
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Frequently Asked Questions
Is Primaforce L-Arginine, 300 Capsules (500 mg per Capsule) a good supplement?

Primaforce L-Arginine, 300 Capsules (500 mg per Capsule) received a product quality score of 75/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 1 active ingredients with 150 servings per container. Of the 4 inactive ingredients, 3 are rated safe and 0 are flagged for review. The manufacturer, Primaforce, holds a brand trust score of 62/100 with 1 verified certifications including Consumerlab.

What are the ingredients in Primaforce L-Arginine, 300 Capsules (500 mg per Capsule)?

Primaforce L-Arginine, 300 Capsules (500 mg per Capsule) contains 1 active ingredients: L-Arginine (1,000 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Primaforce L-Arginine, 300 Capsules (500 mg per Capsule) safe to take?

Primaforce L-Arginine, 300 Capsules (500 mg per Capsule) 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.

Is Primaforce a trustworthy supplement brand?

Primaforce receives a brand trust score of 62/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. the company offers 75 products in their lineup. They hold 1 verified certifications including Consumerlab. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Primaforce has 1 historical regulatory incident 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. 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.