ON Optimum Nutrition Gold Standard Whey 100% supplement bottle
ON Optimum Nutrition

Gold Standard Whey 100%

What We Researched
· 5 inactive ingredients decoded · 8 brand certifications checked · Last updated: Mar 2026
66
Product Score Fair
92
Brand Score Excellent

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

  • Fat-Reduced Cocoa Powder
  • Flavourings
  • Thickener (Xanthan Gum)
  • Emulsifier: Soy Lecithin
  • Sweeteners (Sucralose, Acesulfame K)
Efficacy N/A

Dosage Analysis

Dosage data not available for assessment.

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Fat-Reduced Cocoa Powder Unknown
Flavourings Unknown
Thickener (Xanthan Gum) Unknown
Emulsifier: Soy Lecithin Unknown
Sweeteners (Sucralose, Acesulfame K) Unknown
Brand Trust Report
ON Optimum Nutrition

Founded 1986 · Downers Grove, IL, United States · 149 products · optimumnutrition.com

Certifications

8 certifications
Consumerlab Verified
Informed Sport Verified Source
Labdoor Verified Source
Usda Organic Verified Source
Fda Gmp Inspections Verified Source
Non Gmo Project Verified Source
Nsf Gmp Verified Source
Vegan Certified Verified Source

Transparency

4 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Claimed
In House Testing — Verified Source

Violation History

5 incidents
Recall Various nutritional and beverage products2022-07-28Source
Prop 65 Lead2017-03-10Source
Lawsuit Deceptive packaging with excessive empty space ('slack-fill').2015Source
Lawsuit Deceptive claims about the ingredient 'Aminogen' and its ability to improve protein digestion and absorption.2013Source
Fda Warning Unapproved use of stevia and product misbranding.2001-05-07Source
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Frequently Asked Questions
Is ON Optimum Nutrition Gold Standard Whey 100% a good supplement?

ON Optimum Nutrition Gold Standard Whey 100% received a product quality score of 66/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. Of the 5 inactive ingredients, 0 are rated safe and 0 are flagged for review. The manufacturer, ON Optimum Nutrition, holds a brand trust score of 92/100 with 8 verified certifications including Consumerlab, Informed Sport, Labdoor, Usda Organic.

Is ON Optimum Nutrition Gold Standard Whey 100% safe to take?

ON Optimum Nutrition Gold Standard Whey 100% 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 ON Optimum Nutrition a trustworthy supplement brand?

ON Optimum Nutrition receives a brand trust score of 92/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1986 and headquartered in Downers Grove, IL, United States, the company offers 149 products in their lineup. They hold 8 verified certifications including Consumerlab, Informed Sport, Labdoor, Usda Organic. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: ON Optimum Nutrition has 5 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.