Optimum Nutrition: Lab Test Results
Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by Optimum Nutrition.
86
CoAs on file
n/a
Avg reported purity
62
Compounds tested
Jun 23, 2026
Latest test
Results by compound
| Compound | CoAs | Avg purity | Latest |
|---|---|---|---|
| GOLD STANDARD 100% WHEY ELITE SERIES | 20 | n/a | Jun 23, 2026 |
| GOLD STANDARD PRE WORKOUT - ELITE SERIES | 3 | n/a | May 22, 2025 |
| Essential Amino Energy - Elite Series | 2 | n/a | May 29, 2025 |
| Micronised Creatine Powder - Elite Series | 2 | n/a | Jun 10, 2025 |
| Gold Standard BCAA Train + Sustain - Elite Series | 2 | n/a | May 29, 2025 |
| Amino Energy Aspac | 1 | n/a | |
| Gold Standard Pre Workout India | 1 | n/a | |
| Essential Amino Energy Plus Collagen | 1 | n/a | |
| Micronized Creatine Powder India | 1 | n/a | |
| Gold Standard 100 Whey | 1 | n/a | |
| Gold Standard 100% Whey Vanilla Ice Cream | 1 | n/a | |
| Micronized Creatine Powder | 1 | n/a | |
| Platinum Pump Pre Workout | 1 | n/a | |
| Serious Mass Can | 1 | n/a | |
| Creatine | 1 | n/a | |
| 100 Casein Gold Standard Aus | 1 | n/a | |
| Essential Amino Energy Hydration Focus | 1 | n/a | |
| Gold Standard Pre Workout Shot | 1 | n/a | |
| Platinum Pre Workout | 1 | n/a | |
| Essential Amino Energy Naturally Flavored | 1 | n/a | |
| Essential Amino Energy Plus Electrolytes Usa | 1 | n/a | |
| Glutamine Powder | 1 | n/a | |
| Gold Standard 100 Casein Usa | 1 | n/a | |
| Performance Whey Isolate Naturally Flavored And Sweetened | 1 | n/a | |
| Mass Gainer China | 1 | n/a | |
| Glutamine Powder India | 1 | n/a | |
| Gs Pro Gainer Usa Saudi Arabia | 1 | n/a | |
| Performance Whey Aspac | 1 | n/a | |
| 100 Gold Standard Casein Uk | 1 | n/a | |
| Essential Amino Energy Advanced | 1 | n/a |
Top 30 of 62 compounds shown.
Recent CoAs
Showing 25 most recent of 86. Search the full database on the CoA page.
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<a href="https://ascendpeptide.org/coa/vendor/optimum-nutrition/" rel="noopener"> <img src="https://ascendpeptide.org/coa/badge/optimum-nutrition.svg" alt="Optimum Nutrition: lab tested, 86 CoAs on file at ASCEND Peptide" width="230" height="54"> </a>
Data comes from publicly posted third-party lab certificates (Janoshik, MZ Biolabs, and others) and community submissions. Purity figures are as reported by the testing lab for the specific batch tested; they are not a guarantee of any other batch. For research and informational purposes only.