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All peptides · DSIP · COAs

DSIP COA & lab test results

56 certificates of analysis published by 48 vendors, newest first.

31with readable numbers
99.41%median purity
110%median measured vs label
13testing labs

Labs: Accumark Labs, Analytical Formulations, Bioviridian, Ethos Analytics, Finnrick Analytics, Freedom Diagnostics, ILS Laboratories, Janoshik, Kovera Labs, Krause Analytical, MDx BioAnalytical Laboratory, Qorix Labs (Tianjin), Vanguard Laboratory.

VendorLabDateLabelMeasuredPurity
Pure Peptide LabsKovera Labs2026-10-015 mg5.49 mg (110%)99.483%View
Polaris PeptidesAccumark Labs2026-09-305 mg6.48 mg (130%)99.25%View
CertaPeptidesJanoshik2026-09-185 mg5.67 mg (113%)99.307%View
Evolve BioPepEthos Analytics2026-09-145 mg––View (image)
Peptide Group Buy PGBJanoshik2026-09-075 mg6.06 mg (121%)99.19%View
Ion PeptideFreedom Diagnostics2026-09-0510 mg8.11 mg (81%)99.63%View
Crush ResearchILS Laboratories2026-09-03––99.07%View
Longevity ProsJanoshik2026-09-03–––View (image)
NextGen HealthILS Laboratories2026-08-2730 mg30 mg (100%)–View
NovapureQorix Labs (Tianjin)2026-08-275 mg–99.76%View
Alpha BioMed–2026-08-2110 mg––View (image)
My Pure PeptideJanoshik2026-08-2110 mg11.48 mg (115%)99.526%View
Paramount PeptidesAccumark Labs2026-08-2110 mg––View (image)
NextGen HealthILS Laboratories2026-08-1410 mg10.73 mg (107%)99.9%View
Peptide CraftersAccumark Labs2026-08-115 mg6.12 mg (122%)99.11%View
NuLife PeptidesFreedom Diagnostics2026-08-0910 mg11.2 mg (112%)99.41%View
Qingdao Sigma Chemical QSC–2026-07-295 mg––View (image)
Hangzhou Mandy BiotechnologyJanoshik2026-07-2510 mg––View (image)
Amplified AminoJanoshik2026-07-2410 mg11.84 mg (118%)99.661%View
NexaphJanoshik2026-07-2410 mg11.84 mg (118%)99.66%View
PeptagonAccumark Labs2026-07-245 mg7.1 mg (142%)99.092%View
PeptagonAccumark Labs2026-07-2410 mg14.76 mg (148%)99.024%View
BioPrecise LLCCOA concernsFinnrick Analytics2026-07-225 mg–98.3%View
Core PeptidesVanguard Laboratory2026-07-225 mg–99.14%View
Onyx ResearchFreedom Diagnostics2026-07-175 mg4.7 mg (94%)99.7%View
TydesAccumark Labs2026-07-096 mg6.85 mg (114%)99.026%View
NextGen HealthILS Laboratories2026-07-0810 mg10.69 mg (107%)99.87%View
Domestic PepsILS Laboratories2026-07-0710 mg10.55 mg (106%)99.88%View
Paramount PeptidesAccumark Labs2026-07-0610 mg––View (image)
Paramount PeptidesAccumark Labs2026-07-065 mg––View (image)
DMV PeptidesILS Laboratories2026-07-0210 mg10.59 mg (106%)99.36%View
Mei PeptideJanoshik2026-06-2215 mg––View (image)
Modern AminosFreedom Diagnostics2026-06-155 mg5.16 mg (103%)99.36%View
Simple PeptideFreedom Diagnostics2026-06-155 mg5.95 mg (119%)99.71%View
Bluebonnet PeptidesILS Laboratories2026-05-265 mg5.27 mg (105%)98.93%View
Nuscience PeptidesFreedom Diagnostics2026-05-125 mg6.51 mg (130%)98.56%View
Alpha PeptidesAnalytical Formulations2026-05-015 mg5.2 mg (104%)99.2%View
Regenerative ResearchKrause Analytical2026-03-3110 mg10.4 mg (104%)99.9%View
Licensed PeptidesVanguard Laboratory2026-03-2510 mg10.58 mg (106%)99.8%View
Loti LabsBioviridian2026-02-272 mg––View (image)
Liyu DailyJanoshik2026-02-195 mg––View (image)
LN Peptides–2025-12-1910 mg––View (image)
Hydro ResearchJanoshik2025-04-285 mg4.93 mg (99%)99.856%View
Atomik Labz––5 mg––View (image)
BarnJanoshik–10 mg––View (image)
Biolongevity LabsMDx BioAnalytical Laboratory––––View (image)
Domestic PepsJanoshik–10 mg––View (image)
InjectifyJanoshik––––View (image)
LP Peptide––10 mg––View (image)
NextechLabsILS Laboratories––––View (image)
Noble DragonsJanoshik–10 mg––View (image)
Noble DragonsJanoshik–10 mg––View (image)
Peptides 4 Research––10 mg––View (image)
Shanghai Sigma Audley SSAJanoshik–15 mg––View (image)
WKC Walker ChemicalsJanoshik–10 mg––View (image)
WKC Walker ChemicalsJanoshik–5 mg––View (image)

A vendor's COA shows one tested sample, not every batch. Numbers are filled in only where the document is readable text; image-only COAs are linked without numbers. Vendors banned for fake reports are excluded. Compare DSIP prices and lab-verified vendors.