Forumshangdong yixin · Shop talk · 8 replies
✓ Purity · passShop-provided sample

VIP (Vasoactive Intestinal Peptide) × Instant Peptides — lab test, December 2025

Tested · submitted by Peptigrity Team Member 02PEPTIGRITY TEAM
Sample source: shop-provided. The shop chose and sent this vial. The Trust Score counts it like any other published test; who sourced the vial is shown so you can weigh it yourself.How we weigh evidence →
HPLC Purity
99.622%
✓ Excellent purity only
Counts toward Instant Peptides's Trust Score until 17 Dec 2027
PeptideVIP (Vasoactive Intestinal Peptide)
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Independent verification available

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Test results

7 data points
Purity
99.622%
Endotoxins
2025-0301-A
Sterility
Not on file
Heavy metals
Not tested
Stated qty
10 mg
Tested qty
10.92 mg
Qty match
109% of labeled · +9%
Batch / Lot
N/A
Container
White Lyophilized Powder
Tested by
Freedom DiagnosticsView profile →

Not on file for this certificate: sterility and heavy metals. A purity figure says nothing about those.

About this test

What’s in the vial

Label 10 mg · Lab measured 10.92 mg

109% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 2.7 mg using the measured mass, against 2.5 mg on the label — 9% more.

One vial from this lot was weighed by the laboratory, not yours. This page reports what the certificate says; it does not recommend a dose.

Independent HPLC purity analysis of VIP (Vasoactive Intestinal Peptide) from Instant Peptides, performed by Freedom Diagnostics on December 17, 2025. Reported purity: 99.622%. Net content: 10.92 mg against 10 mg labeled (109% of label). Endotoxins: 2025-0301-A. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by Freedom Diagnostics · Dec 17, 2025 · Batch N/A

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