Growth Guys

Growth Guys is a Canada-based vendor operating under a retail and bulk sales model with a minimum order quantity of one vial. The company maintains a broad catalogue of 52 peptides and provides Janoshik-verified COAs for 49 of those products, with reported purity levels reaching 99.5%. Community feedback regarding product quality is currently mixed based on a limited sample, though reports concerning shipping experiences and testing transparency lean positive. Because these observations stem from a small number of sources, the overall consensus remains in the early stages of development.

Data last updated

Anecdotal signals

Growth Guys lab testing & COAs

Testing coverage

Coverage
34 / 39
products carry a certificate (87%)
Test panel — products documenting each test
0 with the full safety panel
Identity / purity30/39
Fill weight / content32/39
Sterility0/39
Endotoxin13/39
Heavy metals0/39
AOD-9604
Latest Mar 25, 2026
Identity —Purity ✓Weight —Endotoxin —Sterility —Metals —Independent lab ✓
ARA 290
Latest Mar 30, 2026
Identity —Purity ✓Weight ✓ 11.96 mgEndotoxin —Sterility —Metals —Independent lab ✓
Cagrilintide
Latest Jul 16, 2025stale
Identity —Purity ✓Weight ✓ 10.60 mgEndotoxin —Sterility —Metals —Independent lab ✓
Cardiogen
Latest Jan 02, 2026
Identity —Purity ✓Weight ✓ 22.31 mgEndotoxin —Sterility —Metals —Independent lab ✓
Cerebrolysin
Latest —
—
Identity —Purity —Weight —Endotoxin —Sterility —Metals —Independent lab —
Chonluten
Latest Jan 02, 2026
Identity —Purity ✓Weight ✓ 31.09 mgEndotoxin —Sterility —Metals —Independent lab ✓
1–6 of 39

Common questions

Is Growth Guys legit?

We don't issue verdicts — we publish the evidence and let it speak. For Growth Guys we have 13 substantiated community mentions from real, linkable sources. We hold 119 captured lab documents (COAs) for this vendor. Our automated site audit has verified the vendor's published catalogue and COA surface. The sections on this page hold the evidence behind each of those numbers.

What do customers say about Growth Guys?

We have captured 13 substantiated community mentions of Growth Guys across product quality (7, mostly positive), customer service (1, mostly positive), shipping (4, mostly positive), testing transparency (1, mostly positive). Each count reflects real, linkable reports — the quotes behind every number are in the community sections on this page.

Does Growth Guys publish third-party lab tests (COAs)?

36 of 39 observed peptides have a COA mapped to them. Latest captured reports are from Janoshik.