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Rankings
NG
Nantong Guangyuan Chemical GYC

Rank #313 · Peptide vendor

Not yet reviewed Lab-verified
34/100
Poor

PepAssure Vendor Score — recalculated daily from lab and community data.

How PVS works

Published score

4 independent lab results · newest 14 Oct 2026 · 2 below 70

Is Nantong Guangyuan Chemical GYC legit? Here's the evidence.

Mixed evidence

Computed from independent records only — no vendor can pay to change it. How to tell if a peptide vendor is legit. Are you Nantong Guangyuan Chemical GYC? Respond or add evidence →

Score breakdown
Purity Testing (35% of this score)81
CoA Verification (25% of this score)81
Community Sentiment No data
Vendor Transparency No data
Order Experience No data

This score uses 2 of 5 pillars (Purity Testing 35%, CoA Verification 25%). Pillars with no data count as 0 and keep their published weight, so 60% of the scale is measured and the rest is not added to these pillars.

Score inputs: 4 lab CoAs · 0 community reviews (0 verified) · 0 Trustpilot · 0 X posts · 0 Reddit mentions (shown, not scored)

How we score →
What the data shows

4 independent lab results on file (Finnrick), latest 14 Oct 2026. No buyer reviews yet. Listing not yet claimed by the vendor.

Latest lab reports

Independent lab results, synced from the issuing lab.

tirzepatide
Finnrick · Oct 2026
88/100
retatrutide
Finnrick · Oct 2026
90/100
cagrilintide
Finnrick · Jul 2026
59/100
Community sentiment
—
No community sentiment score yet. Reddit mentions are shown and do not score.

No Reddit, X, or Trustpilot mentions synced yet for this vendor.

Unverified listing

Nantong Guangyuan Chemical GYC hasn’t confirmed its listing, so we can’t vouch for the link, prices or CoAs being current. We’ll email you once it verifies.

Trust Analytics

Final PVS

34

30d Trend

0

Liquidity

0

0 alternatives

Defect Rate (sub-70 independent scores)50%

2 of 4 tested batches

Independent labs have published 4 CoAs for Nantong Guangyuan Chemical GYC. Claim your listing to respond and unlock your dashboard.

Claim This Listing

Independent Lab Tests

Finnrick ratings and Janoshik results, plus certificates the vendor published on its own site (marked vendor-published; those never count toward the score). Each row links to its source. We never edit them. How each lab's results are weighted: testing labs.

Finnrick
avg 75/100 · 4 CoAs
  • tirzepatide
    Finnrick · 2026-10-14
    88
  • retatrutide
    Finnrick · 2026-10-14
    90
  • cagrilintide
    Finnrick · 2026-07-17
    59
  • semaglutide
    Finnrick · 2025-12-05
    62

Community-Verified CoAs0 verified

No community-verified CoAs yet for Nantong Guangyuan Chemical GYC.

Have a CoA from a recent order? Submit it above to help other researchers.

Community ReviewsNo reviews yet — be the first

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Independent Lab Score

81/100

avg 81/100 across 4 reports

Verified by Finnrick

Peptide Catalog

Frequently asked

Is Nantong Guangyuan Chemical GYC legit?

Mixed evidence. Regulatory record: none on record. Independent lab tests: 4 tests. Rankings on PepAssure come from independent evidence only — no vendor can pay for placement.

Has Nantong Guangyuan Chemical GYC been tested by an independent lab?

Yes — 4 tests. Newest Oct 14, 2026; lowest result 59/100.

Is Nantong Guangyuan Chemical GYC under FDA or DOJ action?

No record on PepAssure's Enforcement Watch as of today.

Something wrong on this page? Lab result on the wrong vendor, a misread purity figure, an outdated status: dispute this record. We acknowledge within 72 hours; independent test results are never removed on request.