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Peptide testing

Ordered peptides from Kits4less? Mail in a sample (US only) and let us test it.

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70%
Finnrick rating
#306 of 498 ranked vendors
11 of 11 classifiable tests passed
methodology · Purity focus
Finnrick analysis

Kits4less shows its clearest purity-focused evidence in Retatrutide, with Tirzepatide also supported but by a much thinner record. Semaglutide and Tesamorelin remain harder to read from single recent results, while Retatrutide's otherwise consistent identity/purity signal is tempered by early missing batch IDs and one high-fill vial.

methodology →
vendor intelligence report
Vendor Intelligence Report: Kits4less

The investigation traces a privacy-shielded domain, missing corporate anchor, and a staging FAQ tying a house brand to Kits4less infrastructure. It also maps non-brand COA visibility, forum operators, reseller/pricing sentiment, and affiliate-code promotion.

23 pages6 risk factors assessed2 Jul 2026
read the report
Peptides
#
Peptide
$/MG
Rating
N
1
Retatrutide
$3.90
84%
8
4
Tesamorelin
$5.95
50%
1
5
Testosterone
$0.18
-
0
Contact channels
Rating trend
CUMULATIVE FINNRICK RATING
83%+65%+48%+30%+<30%16 Jul 2025: 63%21 Aug 2025: 70%7 Oct 2025: 78%9 Oct 2025: 80%11 Dec 2025: 54%16 Dec 2025: 54%18 Dec 2025: 63%1 Jan 2026: 63%3 Mar 2026: 64%28 Apr 2026: 65%20 Oct 2026: 65%12 Nov 2026: current 70%63%63%70%Jul 25Nov 26
Kits4less test history
COA-backed lab tests
DateResultTestLabPurityDosageLabelCOA
20 Oct 2026
Pass
Retatrutide
lab nameView COA
28 Apr 2026
Pass
Semaglutide
lab nameView COA
3 Mar 2026
Pass
Retatrutide
lab nameView COA
1 Jan 2026
Pass
Retatrutide
lab nameView COA
18 Dec 2025
Pass
Tirzepatide
lab nameView COA
16 Dec 2025
Pass
Retatrutide
lab nameView COA
11 Dec 2025
Pass
Tesamorelin
lab nameView COA
9 Oct 2025
Pass
Retatrutide
lab nameView COA
7 Oct 2025
Pass
Retatrutide
lab nameView COA
21 Aug 2025
Pass
Retatrutide
lab nameView COA
1-10 of 11

About Kits4less test results from Finnrick

Kits4less is a peptide vendor tracked in Finnrick's independent testing dataset. This page compiles batch-level results across 4 peptides and 11 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 Kits4less peptides in this dataset are Retatrutide (8 tests), Semaglutide (1 test) and Tesamorelin (1 test). 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 11 recent tests.

Corrections
No corrections.
Peptide testing

Ordered peptides from Kits4less? Mail in a sample (US only) and let us test it.

Test my supply