Precision Engineered: Lab Test Results
Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by Precision Engineered.
221
CoAs on file
n/a
Avg reported purity
25
Compounds tested
Jul 16, 2026
Latest test
Results by compound
| Compound | CoAs | Avg purity | Latest |
|---|---|---|---|
| Tan Tablets | 23 | n/a | Mar 10, 2026 |
| L-Lysine 1000mg | 21 | n/a | Jul 15, 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 |
| 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 |
| Essential Amino Acids | 10 | n/a | Jun 3, 2026 |
| Choline & Inositol | 8 | n/a | Jun 29, 2026 |
| N-Acetyl Cysteine 600mg | 8 | n/a | Jun 24, 2026 |
| L-Taurine 500mg | 6 | n/a | Jan 19, 2026 |
| Performance Pre Workout | 6 | n/a | Jun 11, 2026 |
| Creatine Powder 5000mg | 5 | n/a | Mar 29, 2026 |
| Creapure | 4 | n/a | Aug 7, 2025 |
| ZMA | 4 | n/a | Apr 16, 2026 |
| Performance Whey Protein | 4 | n/a | Oct 6, 2025 |
| Plant Protein Bar | 3 | n/a | May 28, 2026 |
| CLA 1200mg | 3 | n/a | Jun 24, 2026 |
| Pump Zero Pre-Workout | 2 | n/a | May 18, 2026 |
| Cream of Rice | 2 | n/a | Jun 25, 2025 |
| 100 Whey Protein Isolate | 1 | n/a | |
| Cultures Complex for Sport | 1 | n/a | Sep 16, 2025 |
Recent CoAs
| Compound | Batch | Purity | Lab | Tested | |
|---|---|---|---|---|---|
| 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 |
| L-Lysine 1000mg | 00680001 | n/a | Informed-Sport | Jul 9, 2026 | verify |
| L-Lysine 1000mg | 000680401 | n/a | Informed-Sport | Jul 9, 2026 | verify |
| Choline & Inositol | 77199401 | n/a | Informed-Sport | Jun 29, 2026 | verify |
| L-Glutamine 500mg | 00685001 | n/a | Informed-Sport | Jun 25, 2026 | verify |
| CLA 1200mg | 77031205 | n/a | Informed-Sport | Jun 24, 2026 | verify |
| BCAA | 6014301 | n/a | Informed-Sport | Jun 24, 2026 | verify |
| N-Acetyl Cysteine 600mg | 00680301 | n/a | Informed-Sport | Jun 24, 2026 | verify |
| Electrolyte | 00400602 | n/a | Informed-Sport | Jun 23, 2026 | verify |
| L-Glutamine 500mg | 7155205 | n/a | Informed-Sport | Jun 17, 2026 | verify |
| L-Glutamine 500mg | 8103603 | n/a | Informed-Sport | Jun 17, 2026 | verify |
| L-Arginine 1000mg | 00466202 | n/a | Informed-Sport | Jun 16, 2026 | verify |
| L-Tyrosine 500mg | 11592303 | n/a | Informed-Sport | Jun 16, 2026 | verify |
| L-Tyrosine 500mg | 00683801 | n/a | Informed-Sport | Jun 16, 2026 | verify |
| L-Arginine 1000mg | 11152902 | n/a | Informed-Sport | Jun 16, 2026 | verify |
| L-Lysine 1000mg | 00436503 | n/a | Informed-Sport | Jun 15, 2026 | verify |
| Performance Pre Workout | F06178 | n/a | Informed-Sport | Jun 11, 2026 | verify |
| Essential Amino Acids | 00280802 | n/a | Informed-Sport | Jun 3, 2026 | verify |
| Plant Protein Bar | 145928 | n/a | Informed-Sport | May 28, 2026 | verify |
| Performance Pre Workout | F05852 | n/a | Informed-Sport | May 18, 2026 | verify |
| Pump Zero Pre-Workout | F06062 | n/a | Informed-Sport | May 18, 2026 | verify |
Showing 25 most recent of 221. 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.