Precision Engineered: Lab Test Results

Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by Precision Engineered.

398
CoAs on file
n/a
Avg reported purity
42
Compounds tested
Oct 9, 2026
Latest test

Results by compound

CompoundCoAsAvg purityLatest
Creatine Monohydrate 700mg27n/aSep 15, 2026
Whey Protein26n/aSep 14, 2026
Tan Tablets26n/aOct 9, 2026
L-Lysine 1000mg22n/aAug 17, 2026
L-Carnitine 500mg19n/aJul 13, 2026
L-Glutamine 500mg19n/aJul 13, 2026
L-Arginine 1000mg15n/aJul 16, 2026
Electrolyte14n/aJun 24, 2026
Pure Creatine Monohydrate14n/aJul 7, 2026
BCAA13n/aJun 25, 2026
L-Arginine 500mg13n/aOct 6, 2026
L-Tyrosine 500mg13n/aJul 17, 2026
L-Arginine L-Ornithine L-Lysine12n/aApr 29, 2026
100% Whey Protein Isolate12n/aApr 24, 2026
Lean Protein12n/aJul 13, 2026
Amino 100011n/aSep 28, 2026
Essential Amino Acids11n/aOct 2, 2026
Magnesium & Zinc10n/aJun 17, 2026
Plant Protein9n/aJul 7, 2026
N-Acetyl Cysteine 600mg9n/aAug 10, 2026
Choline & Inositol8n/aJun 30, 2026
Performance BCAA8n/aJul 7, 2026
Gainer8n/aSep 19, 2025
Protein Bar7n/aAug 10, 2026
L-Taurine 500mg6n/aJan 20, 2026
Performance Pre Workout6n/aJun 12, 2026
ZMA6n/aAug 7, 2026
Plant Protein Bar5n/aAug 6, 2026
Creatine Powder 5000mg5n/aMar 30, 2026
Effervescent Hydration & Energy4n/aMay 15, 2025

Top 30 of 42 compounds shown.

Recent CoAs

CompoundBatchPurityLabTested
Tan Tablets00972303n/aInformed-SportOct 9, 2026verify
L-Arginine 500mg00510702n/aInformed-SportOct 6, 2026verify
Essential Amino Acids00662301n/aInformed-SportOct 2, 2026verify
Creatine Gummies00616203n/aInformed-SportOct 1, 2026verify
Amino 100000793002n/aInformed-SportSep 28, 2026verify
Creatine Monohydrate 700mg00702401n/aInformed-SportSep 15, 2026verify
Whey ProteinF06841n/aInformed-SportSep 14, 2026verify
Creatine Monohydrate 700mg00186703n/aInformed-SportSep 14, 2026verify
Tan Tablets00972302n/aInformed-SportSep 11, 2026verify
Creatine Monohydrate 700mg00689403n/aInformed-SportSep 10, 2026verify
Tan Tablets00972301n/aInformed-SportSep 10, 2026verify
Whey ProteinF06753n/aInformed-SportAug 20, 2026verify
L-Lysine 1000mg00952902n/aInformed-SportAug 17, 2026verify
Whey ProteinF06752n/aInformed-SportAug 13, 2026verify
N-Acetyl Cysteine 600mg00843202n/aInformed-SportAug 10, 2026verify
Protein Bar150583n/aInformed-SportAug 10, 2026verify
CLA 1200mg5963701n/aInformed-SportAug 7, 2026verify
ZMA00818302n/aInformed-SportAug 7, 2026verify
ZMA00818301n/aInformed-SportAug 7, 2026verify
Plant Protein Bar145585n/aInformed-SportAug 6, 2026verify
Plant Protein Bar145584n/aInformed-SportAug 6, 2026verify
Protein Bar150576n/aInformed-SportAug 6, 2026verify
Amino 100000793001n/aInformed-SportJul 27, 2026verify
Creatine Gummies00616202n/aInformed-SportJul 27, 2026verify
L-Tyrosine 500mg00683802n/aInformed-SportJul 17, 2026verify

Showing 25 most recent of 398. 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.