PT-141

methodology · Purity focus

33 vendors120 tests16 Mar 2025 first5 Sept 2026 latest

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Peptide SciencesGet report

$5.50

80%

Bulk Peptide WholesaleGet report

$1.50

4.5⭐️ (1)

78%

UtherGet report

77%

HK PeptidesGet report

4.5⭐️ (2)

75%

PeptidologyGet report

$9.00

75%

Reta-PeptideGet report

$0.60

4.5⭐️ (1)

74%

Biolongevity LabsGet report

$9.59

72%

Zenith Jove Peptide ZJGet report

72%

Private result 9

$3.74

4.2⭐️ (17)

71%

Hidden vendor 10

$8.39

4.2⭐️ (11)

63%

Locked supplier 11

$0.95

4.3⭐️ (2)

61%

Subscriber row 12

$3.61

4.4⭐️ (1)

58%

Verified preview 13

$3.94

4.5⭐️ (10)

56%

Restricted row 14

$6.60

4.6⭐️ (9)

62%

Member preview 15

$6.93

4.7⭐️ (18)

60%

Private result 16

$1.82

4.8⭐️ (17)

57%

Hidden vendor 17

$2.15

4.9⭐️ (8)

55%

Locked supplier 18

$4.81

3.4⭐️ (7)

52%

Subscriber row 19

$5.14

3.5⭐️ (16)

50%

Verified preview 20

$6.95

4.1⭐️ (14)

46%

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PT-141 test history

120 tests · 75 pass · 43 fail · 2 incomplete

COA-backed lab tests

Date	Result	Test	Lab	COA
5 Sep 2026	Pass	Shanxi Qianyecao Biotech QYC PT-141	lab name	View COA
4 Sep 2026	Pass	Qing Li Peptide PT-141	lab name	View COA
28 Aug 2026	Pass	Bulk Peptide Wholesale PT-141	lab name	View COA
15 Aug 2026	Pass	Reta-Peptide PT-141	lab name	View COA
23 Jul 2026	Pass	Zenith Jove Peptide ZJ PT-141	lab name	View COA
23 Jul 2026	Pass	Zenith Jove Peptide ZJ PT-141	lab name	View COA
17 Jul 2026	Pass	Orbitrex Peptides PT-141	lab name	View COA
17 Jul 2026	Pass	Orbitrex Peptides PT-141	lab name	View COA
13 Jul 2026	Fail	Oupeptide PT-141	lab name	View COA
17 Jun 2026	Pass	Bulk Peptide Wholesale PT-141	lab name	View COA
1 Jun 2026	Pass	LiliPeptide PT-141	lab name	View COA
6 May 2026	Fail	NuLife Peptides PT-141	lab name	View COA
6 May 2026	Pass	NuLife Peptides PT-141	lab name	View COA
28 Apr 2026	Pass	Uther PT-141	lab name	View COA
18 Mar 2026	Pass	Qing Li Peptide PT-141	lab name	View COA
10 Mar 2026	Fail	HK Peptides PT-141	lab name	View COA
6 Mar 2026	Pass	Uther PT-141	lab name	View COA
2 Mar 2026	Fail	Qing Li Peptide PT-141	lab name	View COA
1 Mar 2026	Pass	HK Peptides PT-141	lab name	View COA
20 Feb 2026	Pass	HK Peptides PT-141	lab name	View COA
20 Feb 2026	Pass	Allen Biotechnology Co ABC PT-141	lab name	View COA
10 Feb 2026	Pass	LiliPeptide PT-141	lab name	View COA
9 Feb 2026	Pass	Oupeptide PT-141	lab name	View COA
6 Feb 2026	Pass	Bulk Peptide Wholesale PT-141	lab name	View COA
6 Feb 2026	Pass	LiliPeptide PT-141	lab name	View COA
6 Feb 2026	Pass	Bulk Peptide Wholesale PT-141	lab name	View COA
4 Feb 2026	Pass	LiliPeptide PT-141	lab name	View COA
2 Feb 2026	Fail	LiliPeptide PT-141	lab name	View COA
2 Feb 2026	Fail	Allen Biotechnology Co ABC PT-141	lab name	View COA
26 Jan 2026	Fail	Pure Tested Peptides PT-141	lab name	View COA
26 Jan 2026	Fail	Pure Tested Peptides PT-141	lab name	View COA
19 Jan 2026	Fail	Wuhan Wansheng Biotechnology PT-141	lab name	View COA
15 Jan 2026	Pass	Reta-Peptide PT-141	lab name	View COA
1 Jan 2026	Pass	Allen Biotechnology Co ABC PT-141	lab name	View COA
29 Dec 2025	Pass	Qing Li Peptide PT-141	lab name	View COA
29 Dec 2025	Pass	Reta-Peptide PT-141	lab name	View COA
29 Dec 2025	Pass	Qing Li Peptide PT-141	lab name	View COA
17 Dec 2025	Fail	LiliPeptide PT-141	lab name	View COA
6 Dec 2025	Pass	Wuhan Wansheng Biotechnology PT-141	lab name	View COA
25 Nov 2025	Fail	Reta-Peptide PT-141	lab name	View COA
25 Nov 2025	Fail	LiliPeptide PT-141	lab name	View COA
25 Nov 2025	Pass	HK Peptides PT-141	lab name	View COA
17 Nov 2025	Pass	Reta-Peptide PT-141	lab name	View COA
17 Nov 2025	Pass	Oupeptide PT-141	lab name	View COA
29 Oct 2025	Pass	HK Peptides PT-141	lab name	View COA
23 Oct 2025	Fail	Shanghai Sigma Audley SSA PT-141	lab name	View COA
23 Oct 2025	Fail	Shanghai Sigma Audley SSA PT-141	lab name	View COA
23 Oct 2025	Pass	HK Peptides PT-141	lab name	View COA
21 Oct 2025	Pass	Qing Li Peptide PT-141	lab name	View COA
14 Oct 2025	Pass	Shanghai Sigma Audley SSA PT-141	lab name	View COA
9 Oct 2025	Pass	Uther PT-141	lab name	View COA
9 Oct 2025	Pass	Uther PT-141	lab name	View COA
3 Oct 2025	Pass	Bulk Peptide Supply PT-141	lab name	View COA
3 Oct 2025	Pass	Bulk Peptide Supply PT-141	lab name	View COA
3 Oct 2025	Pass	Allen Biotechnology Co ABC PT-141	lab name	View COA
3 Oct 2025	Pass	LiliPeptide PT-141	lab name	View COA
2 Oct 2025	Fail	Wuhan Wansheng Biotechnology PT-141	lab name	View COA
2 Oct 2025	Fail	Shanghai Sigma Audley SSA PT-141	lab name	View COA
25 Sep 2025	Pass	Wuhan Wansheng Biotechnology PT-141	lab name	View COA
25 Sep 2025	Pass	LiliPeptide PT-141	lab name	View COA
1 Sep 2025	Pass	Shanghai Sigma Audley SSA PT-141	lab name	View COA
31 Aug 2025	Pass	Reta-Peptide PT-141	lab name	View COA
19 Aug 2025	Fail	Polaris Peptides PT-141	lab name	View COA
19 Aug 2025	Pass	HK Peptides PT-141	lab name	View COA
19 Aug 2025	Fail	Polaris Peptides PT-141	lab name	View COA
19 Aug 2025	Pass	Polaris Peptides PT-141	lab name	View COA
19 Aug 2025	Pass	Polaris Peptides PT-141	lab name	View COA
12 Aug 2025	Pass	Peptide Sciences PT-141	lab name	View COA
12 Aug 2025	Pass	Biolabshop Limited PT-141	lab name	View COA
12 Aug 2025	Pass	Biolongevity Labs PT-141	lab name	View COA
11 Aug 2025	Pass	Polaris Peptides PT-141	lab name	View COA
11 Aug 2025	Pass	Polaris Peptides PT-141	lab name	View COA
11 Aug 2025	Pass	Peptidology PT-141	lab name	View COA
11 Aug 2025	Pass	Peptidology PT-141	lab name	View COA
10 Aug 2025	Pass	Peptidology PT-141	lab name	View COA
6 Aug 2025	Incomplete	Polaris Peptides PT-141	lab name	View COA
6 Aug 2025	Incomplete	Polaris Peptides PT-141	lab name	View COA
4 Aug 2025	Fail	Deuschem PT-141	lab name	View COA
31 Jul 2025	Pass	Peptide Sciences PT-141	lab name	View COA
31 Jul 2025	Fail	Qing Li Peptide PT-141	lab name	View COA
24 Jul 2025	Fail	Oupeptide PT-141	lab name	View COA
29 Jun 2025	Fail	SRY Labs PT-141	lab name	View COA
29 Jun 2025	Fail	Deuschem PT-141	lab name	View COA
26 Jun 2025	Fail	Deuschem PT-141	lab name	View COA
26 Jun 2025	Pass	Biolongevity Labs PT-141	lab name	View COA
26 Jun 2025	Fail	SRY Labs PT-141	lab name	View COA
13 Jun 2025	Fail	Deuschem PT-141	lab name	View COA
13 Jun 2025	Pass	Peptidology PT-141	lab name	View COA
13 Jun 2025	Fail	Biolabshop Limited PT-141	lab name	View COA
13 Jun 2025	Pass	Biolongevity Labs PT-141	lab name	View COA
21 May 2025	Pass	Atomik Labz PT-141	lab name	View COA
21 May 2025	Pass	Peptide Sciences PT-141	lab name	View COA
21 May 2025	Pass	Peptide Sciences PT-141	lab name	View COA
21 May 2025	Fail	Science PT-141	lab name	View COA
21 May 2025	Pass	Atomik Labz PT-141	lab name	View COA
21 May 2025	Fail	Science PT-141	lab name	View COA
7 May 2025	Pass	Planet Peptide PT-141	lab name	View COA
7 May 2025	Pass	Verified Peptides PT-141	lab name	View COA
7 May 2025	Pass	Peptide Sciences PT-141	lab name	View COA
7 May 2025	Fail	Atomik Labz PT-141	lab name	View COA
7 May 2025	Pass	Paramount Peptides PT-141	lab name	View COA
7 May 2025	Pass	Paramount Peptides PT-141	lab name	View COA
7 May 2025	Pass	Planet Peptide PT-141	lab name	View COA
7 May 2025	Fail	Atomik Labz PT-141	lab name	View COA
7 May 2025	Pass	Pharma Grade Peptides PT-141	lab name	View COA
7 May 2025	Fail	Nuscience Peptides PT-141	lab name	View COA
7 May 2025	Fail	Pharma Grade Peptides PT-141	lab name	View COA
7 May 2025	Pass	Peptide Sciences PT-141	lab name	View COA
7 May 2025	Pass	Verified Peptides PT-141	lab name	View COA
7 May 2025	Fail	Nuscience Peptides PT-141	lab name	View COA
25 Apr 2025	Fail	Planet Peptide PT-141	lab name	View COA
25 Apr 2025	Fail	Paramount Peptides PT-141	lab name	View COA
16 Mar 2025	Fail	Peptide Technologies PT-141	lab name	View COA
16 Mar 2025	Fail	Amino Asylum PT-141	lab name	View COA
16 Mar 2025	Fail	Verified Peptides PT-141	lab name	View COA
16 Mar 2025	Fail	Verified Peptides PT-141	lab name	View COA
16 Mar 2025	Fail	Peptide Gurus PT-141	lab name	View COA
16 Mar 2025	Pass	Peptide Technologies PT-141	lab name	View COA
16 Mar 2025	Fail	Peptide Gurus PT-141	lab name	View COA
16 Mar 2025	Fail	Peptide Gurus PT-141	lab name	View COA

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Test PT-141