Independent. Unbiased. Unsponsored.

Peptide vendors, ranked.

Every vendor we track, scored across the peptides they sell. Aggregated from independent testing programs and vendor-published COAs, sentiment from r/Peptides community, COAs from vendor publications. How we score.

Vendors tracked

1,982

Lab reports aggregated

9,872

Peptides covered

Last sync

2026-10-19

#	Vendor	Type	Grade	Score	Peptides	Tests	COA	Updated	Profile
1	Nantong Guangyuan Chemical GYC	—	A	9.1	6	42	none	2026-09-28	Nantong Guangyuan Chemical GYC review →
2	Chimera Peptides	—	B+	8.9	3	23	none	2026-10-19	Chimera Peptides review →
3	Aavant Research	Research	B+	8.9	4	21	per-batch	2026-10-19	Aavant Research review →
4	Lotus Bio	—	B+	8.8	4	5	none	2026-09-28	Lotus Bio review →
5	Yingyou Daily Chemical	—	B+	8.8	1	7	none	2026-10-12	Yingyou Daily Chemical review →
6	Marvel Pep	—	B+	8.8	9	19	none	2026-09-28	Marvel Pep review →
7	Emlin BioScience Exchange	—	B+	8.8	1	6	none	2026-10-19	Emlin BioScience Exchange review →
8	NovaPeptide	—	B+	8.7	8	6	none	2026-09-28	NovaPeptide review →
9	Guangzhou Yuao Trading	—	B+	8.7	4	6	none	2026-09-21	Guangzhou Yuao Trading review →
10	Jinan Elitepeptide Chemical JEC JCE	—	B+	8.7	4	12	none	2026-09-28	Jinan Elitepeptide Chemical JEC JCE review →
11	SPB	—	B+	8.7	8	13	none	2026-10-05	SPB review →
12	Inno Peptides	—	B+	8.7	10	33	none	2026-09-28	Inno Peptides review →
13	GGPeps	—	B+	8.7	3	5	none	2026-10-19	GGPeps review →
14	DAHAN Peptide	—	B+	8.7	2	6	none	2026-10-19	DAHAN Peptide review →
15	Xianhong Tong XHT Peptides	—	B+	8.7	3	7	none	2026-10-12	Xianhong Tong XHT Peptides review →
16	PeptiSlim	—	B+	8.6	8	72	none	2026-10-05	PeptiSlim review →
17	Heman Peptide HM	—	B+	8.6	21	108	none	2026-09-28	Heman Peptide HM review →
18	Shanghai Huahaige Plastic	—	B+	8.6	3	5	none	2026-10-05	Shanghai Huahaige Plastic review →
19	Paradigm Peptide	Research	B+	8.6	4	18	per-batch	2026-09-28	Paradigm Peptide review →
20	Crestpeptide	—	B+	8.5	8	6	none	2026-10-19	Crestpeptide review →
21	Huayi Biotechnology	—	B+	8.5	8	43	none	2026-09-28	Huayi Biotechnology review →
22	Amino Lair	—	B+	8.5	6	19	none	2026-10-19	Amino Lair review →
23	Qingfuji Trading	—	B+	8.5	5	8	none	2026-10-05	Qingfuji Trading review →
24	Lejian Biotech Peptide	—	B+	8.5	5	8	none	2026-09-28	Lejian Biotech Peptide review →
25	SaiyanMed	—	B+	8.5	10	45	none	2026-10-05	SaiyanMed review →
26	LMR	—	B+	8.5	1	6	none	2026-09-28	LMR review →
27	Bfflist AMO	—	B+	8.5	3	67	none	2026-10-19	Bfflist AMO review →
28	Qianmiao Peptide	—	B+	8.5	7	17	none	2026-10-05	Qianmiao Peptide review →
29	Zhang TY	—	B+	8.5	3	5	none	2026-10-12	Zhang TY review →
30	Peptide Pole Hongkong	—	B+	8.4	10	25	none	2026-10-05	Peptide Pole Hongkong review →

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1,830 vendors listed — graded vendors first; "not yet graded" profiles are tracked and awaiting independent lab data. Composite scores reflect lab quality, sentiment, COA transparency, reliability, and price. How we score.