Isopure

Founded 1998 · Downers Grove, IL, United States · 62 products · theisopurecompany.com/

69
Brand Score

Certifications

1 certification
Informed Sport Source available Primary evidence

Transparency Claims

3 claims
Third Party Testing Claim — Brand claim; evidence unavailable
In House Testing — Brand claim; evidence unavailable

Violation History

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

Isopure receives a brand trust score of 69/100 in GoodSupp's independent analysis. The company was founded in 1998 and is headquartered in Downers Grove, IL, United States. Our research did not find independently verified third-party certifications for this brand. While this doesn't mean their products are low quality, third-party testing is considered a strong indicator of commitment to quality assurance. Note: Isopure has 3 historical regulatory incidents on record. These are factored into the overall trust score and are detailed in the violation history section above.

Is Isopure third-party tested?

GoodSupp's research did not find verified third-party testing certifications for Isopure. Third-party testing by organizations like NSF International, USP, or Informed Sport is considered one of the strongest indicators of supplement quality. Without it, consumers must rely more heavily on the brand's own quality claims. This doesn't necessarily mean Isopure's products are low quality, but it does mean there's less independent verification of their claims.

What are the best Isopure supplements?

Based on GoodSupp's quality analysis, the highest-rated Isopure supplements are: Creatine Monohydrate, Unflavored (score: 93/100); Zero Carb Protein Powder Drink Mix Creamy Vanilla (score: 71/100); Whey Protein Isolate Natural Vanilla Flavor (score: 68/100). These scores are calculated from ingredient quality, dosage adequacy, bioavailability, label transparency, and inactive ingredient safety. Scores can vary significantly across a brand's product line — a high brand trust score doesn't guarantee every individual product is top-quality.

Where is Isopure located?

Isopure is headquartered in Downers Grove, IL, United States. The company was founded in 1998. They currently offer 62 products in their supplement lineup. Their official website is theisopurecompany.com. Manufacturing location may differ from corporate headquarters — look for GMP certification to verify manufacturing quality standards.

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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.