Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by Precision Engineered.
| Compound | CoAs | Avg purity | Latest |
|---|---|---|---|
| Whey Protein | 26 | n/a | Sep 13, 2026 |
| Creatine Monohydrate 700mg | 26 | n/a | Sep 13, 2026 |
| Tan Tablets | 25 | n/a | Sep 10, 2026 |
| L-Lysine 1000mg | 22 | n/a | Aug 16, 2026 |
| L-Carnitine 500mg | 19 | n/a | Jul 12, 2026 |
| L-Glutamine 500mg | 19 | n/a | Jul 12, 2026 |
| L-Arginine 1000mg | 15 | n/a | Jul 15, 2026 |
| Electrolyte | 14 | n/a | Jun 23, 2026 |
| Pure Creatine Monohydrate | 14 | n/a | Jul 6, 2026 |
| BCAA | 13 | n/a | Jun 24, 2026 |
| L-Tyrosine 500mg | 13 | n/a | Jul 16, 2026 |
| L-Arginine L-Ornithine L-Lysine | 12 | n/a | Apr 28, 2026 |
| L-Arginine 500mg | 12 | n/a | Mar 19, 2026 |
| 100% Whey Protein Isolate | 12 | n/a | Apr 23, 2026 |
| Lean Protein | 12 | n/a | Jul 12, 2026 |
| Amino 1000 | 10 | n/a | Jul 26, 2026 |
| Magnesium & Zinc | 10 | n/a | Jun 16, 2026 |
| Essential Amino Acids | 10 | n/a | Jun 3, 2026 |
| Plant Protein | 9 | n/a | Jul 6, 2026 |
| N-Acetyl Cysteine 600mg | 9 | n/a | Aug 9, 2026 |
| Choline & Inositol | 8 | n/a | Jun 29, 2026 |
| Performance BCAA | 8 | n/a | Jul 6, 2026 |
| Gainer | 8 | n/a | Sep 18, 2025 |
| Protein Bar | 7 | n/a | Aug 9, 2026 |
| L-Taurine 500mg | 6 | n/a | Jan 19, 2026 |
| Performance Pre Workout | 6 | n/a | Jun 11, 2026 |
| ZMA | 6 | n/a | Aug 6, 2026 |
| Plant Protein Bar | 5 | n/a | Aug 5, 2026 |
| Creatine Powder 5000mg | 5 | n/a | Mar 29, 2026 |
| Effervescent Hydration & Energy | 4 | n/a | May 14, 2025 |
Top 30 of 42 compounds shown.
| Compound | Batch | Purity | Lab | Tested | |
|---|---|---|---|---|---|
| Whey Protein | F06841 | n/a | Informed-Sport | Sep 13, 2026 | verify |
| Creatine Monohydrate 700mg | 00186703 | n/a | Informed-Sport | Sep 13, 2026 | verify |
| Tan Tablets | 00972302 | n/a | Informed-Sport | Sep 10, 2026 | verify |
| Creatine Monohydrate 700mg | 00689403 | n/a | Informed-Sport | Sep 9, 2026 | verify |
| Tan Tablets | 00972301 | n/a | Informed-Sport | Sep 9, 2026 | verify |
| Whey Protein | F06753 | n/a | Informed-Sport | Aug 19, 2026 | verify |
| L-Lysine 1000mg | 00952902 | n/a | Informed-Sport | Aug 16, 2026 | verify |
| Whey Protein | F06752 | n/a | Informed-Sport | Aug 12, 2026 | verify |
| N-Acetyl Cysteine 600mg | 00843202 | n/a | Informed-Sport | Aug 9, 2026 | verify |
| Protein Bar | 150583 | n/a | Informed-Sport | Aug 9, 2026 | verify |
| CLA 1200mg | 5963701 | n/a | Informed-Sport | Aug 6, 2026 | verify |
| ZMA | 00818302 | n/a | Informed-Sport | Aug 6, 2026 | verify |
| ZMA | 00818301 | n/a | Informed-Sport | Aug 6, 2026 | verify |
| Plant Protein Bar | 145585 | n/a | Informed-Sport | Aug 5, 2026 | verify |
| Plant Protein Bar | 145584 | n/a | Informed-Sport | Aug 5, 2026 | verify |
| Protein Bar | 150576 | n/a | Informed-Sport | Aug 5, 2026 | verify |
| Amino 1000 | 00793001 | n/a | Informed-Sport | Jul 26, 2026 | verify |
| Creatine Gummies | 00616202 | n/a | Informed-Sport | Jul 26, 2026 | verify |
| L-Tyrosine 500mg | 00683802 | n/a | Informed-Sport | Jul 16, 2026 | verify |
| L-Lysine 1000mg | 00436502 | n/a | Informed-Sport | Jul 15, 2026 | verify |
| L-Arginine 1000mg | 00810401 | n/a | Informed-Sport | Jul 15, 2026 | verify |
| L-Lysine 1000mg | 00436507 | n/a | Informed-Sport | Jul 12, 2026 | verify |
| L-Glutamine 500mg | 00714301 | n/a | Informed-Sport | Jul 12, 2026 | verify |
| Lean Protein | F06410 | n/a | Informed-Sport | Jul 12, 2026 | verify |
| Lean Protein | F06411 | n/a | Informed-Sport | Jul 12, 2026 | verify |
Showing 25 most recent of 392. 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.