GNC 100% Whey Protein Pro Performance supplement bottle
GNC

100% Whey Protein Pro Performance

What We Researched
· 8 inactive ingredients decoded · 5 brand certifications checked · Last updated: Mar 2026
61
Product Score Fair
88
Brand Score Good

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

  • Cookie Crumbs (Refined Wheat Flour, Sugar & Cocoa Solids)
  • Nature Identical Cookies & Cream Flavor
  • Sodium Chloride
  • Thickener (INS 415)
  • Di-potassium Hydrogen Phosphate
  • Thickeners (INS 466 & INS 407)
  • Anti-Caking Agent (INS 551)
  • Sweeteners (INS 955 & INS 950)
Efficacy N/A

Dosage Analysis

Dosage data not available for assessment.

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Cookie Crumbs (Refined Wheat Flour, Sugar & Cocoa Solids) Unknown
Nature Identical Cookies & Cream Flavor Unknown
Sodium Chloride Safe

Provides sodium, stabilizes formulations.

Thickener (INS 415) Unknown
Di-potassium Hydrogen Phosphate Unknown
Thickeners (INS 466 & INS 407) Unknown
Anti-Caking Agent (INS 551) Unknown
Sweeteners (INS 955 & INS 950) Unknown
Brand Trust Report
GNC

Founded 1935 · Pittsburgh, Pennsylvania, USA · 200 products · gnc.com

Certifications

5 certifications
Informed Sport Verified Source
Consumerlab Verified Source
Fda Gmp Inspections Verified Source
Usda Organic Verified Source
Vegan Certified Verified Source

Transparency

3 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Verified Source
In House Testing — Claimed
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Frequently Asked Questions
Is GNC 100% Whey Protein Pro Performance a good supplement?

GNC 100% Whey Protein Pro Performance received a product quality score of 61/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. Of the 8 inactive ingredients, 1 are rated safe and 0 are flagged for review. The manufacturer, GNC, holds a brand trust score of 88/100 with 5 verified certifications including Informed Sport, Consumerlab, Fda Gmp Inspections, Usda Organic.

Is GNC 100% Whey Protein Pro Performance safe to take?

GNC 100% Whey Protein Pro Performance 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 GNC a trustworthy supplement brand?

GNC receives a brand trust score of 88/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1935 and headquartered in Pittsburgh, Pennsylvania, USA, the company offers 200 products in their lineup. They hold 5 verified certifications including Informed Sport, Consumerlab, Fda Gmp Inspections, Usda Organic. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.

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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.