Silverstone Labs Co

Silverstone Labs Co is a US-based vendor selling both retail and bulk quantities domestically. It carries around 20 peptides and lists prices for most of them. Third-party testing through ILS Laboratories shows high purity (averaging 99.8%), though only four peptides in the catalogue have COAs. Community feedback leans positive on product quality, but the evidence is thin: six comments from a single source, too early to call it a settled pattern.

Some links are affiliate links. This never affects our rankings or inclusion.

Data last updated

Silverstone Labs Co lab testing & COAs

Testing coverage

Coverage
4 / 19
products carry a certificate (21%)
Test panel — products documenting each test
2 with the full safety panel
Identity / purity4/19
Fill weight / content4/19
Sterility4/19
Endotoxin4/19
Heavy metals2/19
BPC-157
Latest May 27, 2026
Identity ✓Purity ✓Weight ✓ 11.07 mgEndotoxin ✓Sterility ✓ PASSMetals —Independent lab —
CJC-1295
Latest —
—
Identity —Purity —Weight —Endotoxin —Sterility —Metals —Independent lab —
Epithalon
Latest —
—
Identity —Purity —Weight —Endotoxin —Sterility —Metals —Independent lab —
GHK-Cu
Latest —
—
Identity —Purity —Weight —Endotoxin —Sterility —Metals —Independent lab —
Glow
Latest —
—
Identity —Purity —Weight —Endotoxin —Sterility —Metals —Independent lab —
Ipamorelin
Latest —
—
Identity —Purity —Weight —Endotoxin —Sterility —Metals —Independent lab —
1–6 of 19

Price

regional price-per-mg comparisons · prices checked 1mo ago

Some links are affiliate links. This never affects our rankings or inclusion.

1–6 of 19

Common questions

Is Silverstone Labs Co legit?

We don't issue verdicts — we publish the evidence and let it speak. For Silverstone Labs Co we have 7 substantiated community mentions from real, linkable sources. We hold 9 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 Silverstone Labs Co?

We have captured 7 substantiated community mentions of Silverstone Labs Co across product quality (6, mostly positive), customer service (1, mostly positive). Each count reflects real, linkable reports — the quotes behind every number are in the community sections on this page.

Does Silverstone Labs Co publish third-party lab tests (COAs)?

4 of 19 observed peptides have a COA mapped to them. Latest captured reports are from ILS Laboratories.