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Peptide testing

Ordered peptides from Purely Pep Lab? Mail in a sample (US only) and let us test it.

Test my supply
70%
Finnrick rating
#311 of 498 ranked vendors
0 of 2 classifiable tests passed
methodology · Purity focus
Finnrick analysis

Purely Pep Lab's Purity focus record is narrow but current, centered entirely on Retatrutide rather than a broad catalog signal. Retatrutide is weak but consistent in the available evidence, with identity failures in the Krause and PharmLabs COAs for batches Mbym1052 and 2026.8.22, so the vendor score remains heavily prior-smoothed.

methodology →
Peptides
#
Peptide
$/MG
Rating
N
2
MOTS-c
-
-
0
3
NAD+
-
-
0
Contact channels
Rating trend
CUMULATIVE FINNRICK RATING
83%+65%+48%+30%+<30%12 Oct 2026: 74%21 Oct 2026: 70%13 Nov 2026: current 70%74%70%Oct 26Nov 26
Purely Pep Lab test history
COA-backed lab tests
DateResultTestLabPurityDosageLabelCOA
21 Oct 2026
Fail
Retatrutide
lab nameView COA
12 Oct 2026
Fail
Retatrutide
lab nameView COA

About Purely Pep Lab test results from Finnrick

Purely Pep Lab is a peptide vendor tracked in Finnrick's independent testing dataset. This page compiles batch-level results across 1 peptide and 2 tests, including ratings, observed price signals, recent test dates, and correction history where available.

Finnrick ratings are calculated from published sample data using the selected rating standard. The default standard evaluates purity, dose accuracy, and label quality, then adjusts low-volume results so small sample counts do not appear more certain than the data supports.

The most visible Purely Pep Lab peptides in this dataset are Retatrutide (2 tests), MOTS-c (0 tests) and NAD+ (0 tests). Use the peptide table above to compare the current Finnrick rating, price per mg, and sample volume for each peptide.

Recent tests and corrections are shown below when available. Samples may be acquired by Finnrick directly or submitted through Finnrick testing programs; the goal is to make safety and supply-chain evidence easier to evaluate than vendor marketing claims alone. This page currently lists 2 recent tests.

Corrections
No corrections.
Peptide testing

Ordered peptides from Purely Pep Lab? Mail in a sample (US only) and let us test it.

Test my supply