Isopure Isopure Protein Powder supplement bottle
Isopure

Isopure Protein Powder

What We Researched
· 6 inactive ingredients decoded · 1 brand certification checked · Last updated: Mar 2026
56
Product Score Poor
67
Brand Score Fair

Product Analysis

Transparency Fair

Supplement Facts

No supplement facts data available.

Bioavailability N/A

Absorption Rating

No ingredient forms matched our reference database.

Other Ingredients Excellent

Fillers & Additives

  • Soy Lecithin
  • Natural and Artificial Flavor
  • Salt
  • Strawberry Powder
  • Sucralose
  • Xanthan Gum
Efficacy N/A

Dosage Analysis

Dosage data not available for assessment.

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Soy Lecithin Safe

Helps blend oil and water-based ingredients. Common allergen.

Natural and Artificial Flavor Generally_safe

It is used to improve the taste of the product.

Salt Safe

It is used as a flavoring agent.

Strawberry Powder Unknown
Sucralose Generally_safe

Adds sweetness to chewables, gummies, and powdered supplements without calories.

Xanthan Gum Safe

Thickens and stabilizes liquid and semi-solid supplements.

Brand Trust Report
Isopure

Founded 1998 · Downers Grove, IL, United States · 26 products · theisopurecompany.com/

Certifications

1 certification
Informed Sport Verified Source

Transparency

3 claims
Third Party Testing Claim — Claimed
In House Testing — Verified

Violation History

3 incidents
Prop 65 Lead2025-04-11Source
Lawsuit Deceptive packaging with approximately 30% empty space ('slack-fill').2015Source
Lawsuit Misrepresenting the amount of whey protein in products ('protein-spiking').2014Source
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Frequently Asked Questions
Is Isopure Isopure Protein Powder a good supplement?

Isopure Isopure Protein Powder received a product quality score of 56/100 in GoodSupp's independent analysis, indicating several areas of concern that consumers should review. Of the 6 inactive ingredients, 3 are rated safe and 0 are flagged for review. The manufacturer, Isopure, holds a brand trust score of 67/100 with 1 verified certifications including Informed Sport.

Is Isopure Isopure Protein Powder safe to take?

Isopure Isopure Protein Powder 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 Isopure a trustworthy supplement brand?

Isopure receives a brand trust score of 67/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1998 and headquartered in Downers Grove, IL, United States, the company offers 26 products in their lineup. They hold 1 verified certifications including Informed Sport. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Isopure has 3 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. 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.