Peptide Sciences
Independent testing record for Peptide Sciences: 135 third-party lab reports across 12 compounds, tested by 9 analytical laboratories. Built entirely from certificates submitted to ResearchVerify — the vendor has no input into this page.
Total COAs
135
Compounds
12
Testing Labs
9
Avg RV Score
4.84
Purity Range
98.6%–100.0%
19 batches from this vendor have been independently tested by 2 or more labs — 19 where the labs closely agreed.
Melanotan II (batch 052462A) tested at 98.62 by MZ Biolabs. Shown for completeness — every batch on file is counted here, not only the strongest results.
Purity Tier Distribution
87
Tier 1 (≥99.5%)
36
Tier 2 (≥98.5%)
0
Tier 3 (≥95%)
0
Tier 4 (<95%)
Recent Tests
- Retatrutide · BTLabs · · RV 5.0/10 · 99.80% · #FNR-f74xe9h
- CJC-1295 · Krause Analytical · · RV —/10 · — · #FNR-mwasbzb
- Retatrutide · BTLabs · · RV 1.0/10 · — · #FNR-tzr2h9t
- Tirzepatide · Krause Analytical · · RV 5.8/10 · — · #FNR-n8ejnpe
- Retatrutide · Krause Analytical · · RV 5.6/10 · — · #FNR-ercwp62
- Semaglutide · BTLabs · · RV 5.3/10 · — · #FNR-rdcuvme
- Tirzepatide · BTLabs · · RV 5.0/10 · — · #FNR-tvufesq
- GHK-Cu · Krause Analytical · · RV 5.8/10 · — · #FNR-vnj3pfh
- Tirzepatide · BTLabs · · RV 5.0/10 · — · #FNR-4dhfgvs
- Tesamorelin · BTLabs · · RV 4.9/10 · — · #FNR-ykumd54
- CJC-1295 (no-DAC) · BTLabs · · RV 4.7/10 · — · #FNR-d2esnuv
- Tirzepatide · BTLabs · · RV 5.3/10 · — · #FNR-mr9dms9
- Retatrutide · Krause Analytical · · RV 5.2/10 · — · #FNR-tsxnhwr
- Retatrutide · Krause Analytical · · RV 5.2/10 · — · #FNR-fru5vat
- GHK-Cu · BTLabs · · RV 5.1/10 · — · #FNR-ns7vuqc
Compounds Tested
- Retatrutide · 42 tests
- Tirzepatide · 17 tests
- Semaglutide · 16 tests
- BPC-157 · 14 tests
- CJC-1295 (no-DAC) · 10 tests
- Melanotan II · 10 tests
- Ipamorelin · 9 tests
- GHK-Cu · 6 tests
- PT-141 · 6 tests
- Tesamorelin · 3 tests
- TB-500 · 1 tests
- CJC-1295 · 1 tests
Testing Labs
- Chromate · 28 tests
- TrustPointe · 28 tests
- Krause Analytical · 23 tests
- MZ Biolabs · 19 tests
- Janoshik · 16 tests
- BTLabs · 13 tests
- Frontage · 5 tests
- Lab D · 2 tests
- Freedom Diagnostics · 1 tests
This page is generated automatically from independently-submitted certificates of analysis. ResearchVerify is not affiliated with Peptide Sciences. Vendors cannot pay to appear here, alter their results, or have this page removed.