Optimum Nutrition: Lab Test Results
Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by Optimum Nutrition.
98
CoAs on file
n/a
Avg reported purity
71
Compounds tested
Sep 25, 2026
Latest test
Results by compound
| Compound | CoAs | Avg purity | Latest |
|---|---|---|---|
| GOLD STANDARD 100% WHEY ELITE SERIES | 23 | n/a | Sep 25, 2026 |
| GOLD STANDARD PRE WORKOUT - ELITE SERIES | 3 | n/a | May 23, 2025 |
| Essential Amino Energy - Elite Series | 2 | n/a | May 30, 2025 |
| Micronised Creatine Powder - Elite Series | 2 | n/a | Jun 11, 2025 |
| Gold Standard BCAA Train + Sustain - Elite Series | 2 | n/a | May 30, 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 | |
| Gold Standard 100 Whey Elite Series | 1 | n/a | |
| Essential Amino Energy Naturally Flavored | 1 | n/a | |
| Serious Mass Elite Series | 1 | n/a | |
| Essential Amino Energy Plus Electrolytes Usa | 1 | n/a | |
| Gold Standard Pre Workout Elite Series | 1 | n/a | |
| Glutamine Powder | 1 | n/a | |
| Carb Energy Gel | 1 | n/a | |
| Gold Standard 100 Casein Usa | 1 | n/a | |
| Essential Protein | 1 | n/a | |
| Performance Whey Isolate Naturally Flavored And Sweetened | 1 | n/a | |
| Mass Gainer China | 1 | n/a |
Top 30 of 71 compounds shown.
Recent CoAs
| Compound | Batch | Purity | Lab | Tested | |
|---|---|---|---|---|---|
| GOLD STANDARD 100% WHEY ELITE SERIES | 1403715 | n/a | Informed-Sport | Sep 25, 2026 | verify |
| GOLD STANDARD 100% WHEY ELITE SERIES | 1400864 | n/a | Informed-Sport | Sep 15, 2026 | verify |
| GOLD STANDARD 100% WHEY ELITE SERIES | 1389236 | n/a | Informed-Sport | Aug 14, 2026 | verify |
| GOLD STANDARD 100% WHEY ELITE SERIES | 1383503 | n/a | Informed-Sport | Jun 24, 2026 | verify |
| GOLD STANDARD 100% WHEY ELITE SERIES | 1373668 | n/a | Informed-Sport | May 19, 2026 | verify |
| GOLD STANDARD 100% WHEY ELITE SERIES | 1375287 | n/a | Informed-Sport | May 18, 2026 | verify |
| GOLD STANDARD 100% WHEY ELITE SERIES | 1365890 | n/a | Informed-Sport | Apr 21, 2026 | verify |
| GOLD STANDARD 100% WHEY ELITE SERIES | 1358073 | n/a | Informed-Sport | Mar 12, 2026 | verify |
| GOLD STANDARD 100% WHEY ELITE SERIES | 1355626 | n/a | Informed-Sport | Feb 24, 2026 | verify |
| GOLD STANDARD 100% WHEY ELITE SERIES | 1327232 | n/a | Informed-Sport | Sep 24, 2025 | verify |
| GOLD STANDARD 100% WHEY ELITE SERIES | 1325644 | n/a | Informed-Sport | Sep 15, 2025 | verify |
| GOLD STANDARD 100% WHEY ELITE SERIES | 1316768 | n/a | Informed-Sport | Aug 12, 2025 | verify |
| GOLD STANDARD 100% WHEY ELITE SERIES | 1315231 | n/a | Informed-Sport | Aug 1, 2025 | verify |
| GOLD STANDARD 100% WHEY ELITE SERIES | 1310799 | n/a | Informed-Sport | Jul 15, 2025 | verify |
| GOLD STANDARD 100% WHEY ELITE SERIES | 1310802 | n/a | Informed-Sport | Jul 14, 2025 | verify |
| Micronised Creatine Powder - Elite Series | 1305008 | n/a | Informed-Sport | Jun 11, 2025 | verify |
| Essential Amino Energy - Elite Series | 1300602 | n/a | Informed-Sport | May 30, 2025 | verify |
| Gold Standard BCAA Train + Sustain - Elite Series | 1300597 | n/a | Informed-Sport | May 30, 2025 | verify |
| GOLD STANDARD 100% WHEY ELITE SERIES | 1300581 | n/a | Informed-Sport | May 29, 2025 | verify |
| GOLD STANDARD 100% WHEY ELITE SERIES | 1300578 | n/a | Informed-Sport | May 29, 2025 | verify |
| GOLD STANDARD PRE WORKOUT - ELITE SERIES | 1300601 | n/a | Informed-Sport | May 23, 2025 | verify |
| GOLD STANDARD 100% WHEY ELITE SERIES | 1295433 | n/a | Informed-Sport | Apr 28, 2025 | verify |
| GOLD STANDARD 100% WHEY ELITE SERIES | 1288452 | n/a | Informed-Sport | Mar 28, 2025 | verify |
| GOLD STANDARD 100% WHEY ELITE SERIES | 1288453 | n/a | Informed-Sport | Mar 28, 2025 | verify |
| GOLD STANDARD 100% WHEY ELITE SERIES | 1288067 | n/a | Informed-Sport | Mar 27, 2025 | verify |
Showing 25 most recent of 98. Search the full database on the CoA page.
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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.