VerifiedSample
Consistent purity on independent COA
Independent lab report came back 98.4%. Vials sealed clean, no visible oxidation; lyophilized cake intact after transit.
Date
2026-05-12
Helpful
142
— Quality reports
Purity, not hype.
Receipt-verified.
Community quality reports from people who uploaded a receipt. We OCR-verify the purchase, then publish the purity, packaging and handling notes with a verified badge — a transparency log, not a shopping guide. pinning sells nothing and links to no source.
5 verified · 6 total
Sample reports shown below. Real, receipt-verified reports replace these as the community submits them.
VerifiedSample
Quality matched the published COA
Purity matched the HPLC report. Stoppers tight, no leakage. Transit was slow (~19 days to DE).
Date
2026-05-08
Helpful
88
VerifiedSample
Reference-grade on third-party testing
Third-party COA matched their published numbers. Slight overfill (~10%) noted on weigh-out.
Date
2026-04-29
Helpful
67
VerifiedSample
Excellent copper-peptide quality
Blue tint consistent, no precipitation after reconstitution. Held up well through international transit.
Date
2026-04-21
Helpful
54
Sample
Average — no COA provided
No certificate of analysis available, so purity is unverified. Reconstitution and clarity were fine.
Date
2026-04-15
Helpful
12
VerifiedSample
Cold chain intact on arrival
Pen format, refrigerated chain intact on arrival. Packaging and labeling consistent with the listing.
Date
2026-04-02
Helpful
211
pinning does not sell, supply, source, or link to any product or vendor. Reports are user-submitted experiences for quality transparency and harm reduction only — not an endorsement, a recommendation, or medical advice.