Research
Nantong Guangyuan Chemical GYC
Peptides
6
Tests
42
Grade
A
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Every condition page links to both the research profile and the dosing protocol.
9,872
samples lab-tested
252
vendors ranked
50
dosing protocols
12
safety categories
7
conditions
Same Peptide. Wildly Different Quality.
BPC-157 vendor scores range from 2.8 to 8.2 across 291 vendors
BPC-157 Vendor Rankings
800 samples tested across 291 vendors. Refreshed weekly from independent testing programs.
| Provider | Avg Score | $/mg | Tests | Score |
|---|---|---|---|---|
| HK Peptides | 8.2 | $0.82 | 22 | B+ 8.2 |
| LiliPeptide | 7.8 | $0.70 | 23 | B+ 7.8 |
| Zenith Jove Peptide ZJ | 7.4 | $0.65 | 10 | B 7.4 |
| HkRoids | 7.1 | $0.94 | 10 | B 7.1 |
Latest Research Profiles
Browse all peptide profiles →Regenerative
BPC-157
Body protection compound. 200+ animal studies on tissue repair, gut healing, tendon recovery. Vendor quality varies wildly.
291 vendors
800 samples
GLP-1 Agonist
Tirzepatide
Dual GIP/GLP-1 agonist approved for diabetes and obesity. Most-tested peptide in our database.
429 vendors
2433 samples
GLP-1 Agonist
Semaglutide
GLP-1 receptor agonist for weight management. One of the most-tested peptides in our database.
123 vendors
336 samples
GH Secretagogue
Ipamorelin
Selective growth hormone secretagogue with minimal side effects. Label accuracy varies by vendor.
192 vendors
368 samples
New: Vendor grades hub
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A high-level view of every peptide we cover and every vendor we track. Daily refresh from independent testing programs.
Top vendors overall
Browse all 252 vendors →Research
Chimera Peptides
Peptides
3
Tests
23
Grade
B+
Research
Aavant Research
Peptides
4
Tests
21
Grade
B+
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The peptide market has an accountability problem. Vendors make claims about purity and potency that consumers can't verify. “99% pure” is printed on labels that have never seen the inside of a lab. Prices vary 400% for the same compound. And most review sites take money from the brands they rank.
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