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Testing laboratory

Vanguard Laboratory

Vanguard Laboratory, Olympia, Washington, signed 18 of the certificates behind these rankings, covering 3 vendors and 17 compounds, at a mean reported purity of 99.43%. Its own site claims ISO/IEC 17025 accreditation by A2LA. We have found no public lookup for this laboratory, so its reports can be read but not independently re-pulled.

18 certificates · 3 vendors · 17 compounds · assays 10 Dec 2025 to 15 Jun 2026

Accreditation and verification

Location
Olympia, Washington
Website
vanguardlaboratory.com
ISO/IEC 17025
Claimed on its own site · body: A2LA · certificate 6377.01.01Its certificates carry the ISO/IEC 17025:2017 accreditation mark and direct the reader to “A2LA Certificate #6377.01.01 for a list of accredited tests”. Read off the certificate, not off the laboratory’s own site, which returns 403 to us; the certificate number is the thing to check, in A2LA’s public directory.laboratory site read 1 Oct 2026
Attributed by vendors
No vendor using only this laboratory records an accreditation for it.
Report lookup
No public lookup found

What its certificates report

18 lots
Assayed purity

16 of 18 lots at 99% or above; mean 99.43%.

0510<95%: 0 lots<95%95–97%: 0 lots95–97%97–98%: 0 lots97–98%98–99%: 2 lots98–99%99–99.5%: 6 lots99–99.5%≥99.5%: 10 lots10≥99.5%
Assayed purity
Rangelots
<95%0
95–97%0
97–98%0
98–99%2
99–99.5%6
≥99.5%10
Assayed mass vs label

33% of lots within 5% of the labelled mass; median gap 7.9%.

0510≤2%: 2 lots≤2%2–5%: 3 lots2–5%5–10%: 7 lots75–10%10–20%: 5 lots10–20%>20%: 1 lots>20%
Assayed mass vs label
Rangelots
≤2%2
2–5%3
5–10%7
10–20%5
>20%1

These figures describe what the laboratory reported about the samples it received. They are a property of those samples and of the vendors that sent them, not a rating of the laboratory.

Vendors using this laboratory

VendorCertificates from this lab
Licensed Peptides14
Modern Aminos3
Prime Peptides1

Certificates

All certificates
AssayedCompoundVendorLotPurityLabel → assayedDocument
15 Jun 2026ARA-290Modern AminosBX-P-D7N699.901%10 mg → 11.7 mgOpen
25 Mar 2026SemaglutidePrime Peptides2122026SM99.02%5 mg → 5.51 mgOpen
25 Mar 2026DSIPLicensed Peptides03252026199.8%10 mg → 10.58 mgOpen
20 Feb 2026CJC-1295Licensed PeptidesLP0220201699.8%60 mg → 57.87 mgOpen
10 Feb 2026IpamorelinLicensed PeptidesIPAMOR-0199.8%10 mg → 10.75 mgOpen
10 Feb 2026TB-500Licensed PeptidesTB500T-0199.8%10 mg → 10.05 mgOpen
10 Feb 20265-Amino-1MQLicensed Peptides5AMINO-0199.8%5 mg → 5.39 mgOpen
10 Feb 2026KPVLicensed PeptidesKPV-XXX-0199.8%10 mg → 10.21 mgOpen
10 Feb 2026EpithalonLicensed PeptidesEPITHA-0199.8%50 mg → 54.7 mgOpen
10 Feb 2026KisspeptinLicensed PeptidesKISSPE-0199.8%5 mg → 5.03 mgOpen
10 Feb 2026IGF-1 LR3Licensed PeptidesIGF1LR3-0199.03%100 mg → 92.07 mgOpen
24 Dec 2025TesamorelinLicensed PeptidesTESA12062599.04%10 mg → 11.4 mgOpen
18 Dec 20255-Amino-1MQModern AminosBX-C-Q7G299.064%50 mg → 54.83 mgOpen
18 Dec 2025GHK-CuModern AminosGH2511A99.8%2 mg → 2.22 mgOpen
18 Dec 2025AOD-9604Licensed Peptides1201AOR99.21%5 mg → 4.77 mgOpen
18 Dec 2025SS-31Licensed Peptides1201SSB98.81%50 mg → 69.1 mgOpen
12 Dec 2025SermorelinLicensed Peptides1024S1098.36%5 mg → 5.25 mgOpen
10 Dec 2025Thymosin Alpha-1Licensed Peptides10241599.13%5 mg → 5.96 mgOpen