HomeLab Tests Peptide Crafters, Retatrutide
Purity · passBatch · PC-J-RT20Shop-provided sample

Retatrutide × Peptide Crafters — Lab Test, January 2026

Tested · submitted by @Frank 👑 Legend
Sample source: shop-provided. The shop chose and sent this vial. Samples bought at retail by a member carry more weight.How we weigh evidence →
HPLC Purity
99.559%
Excellent purity only
↓ Download COA
COA on file — not portal-verified

This lab doesn't publish a public lookup, so we can't confirm the certificate against the lab's own record. The document was reviewed before publication, but it rests on our review alone.

What portal verification means →

Test results

6 data points
Purity
99.559%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
20 mg
Tested qty
23.19 mg
Qty match
116% of labeled · +16%
0label125%
Batch / Lot
PC-J-RT20
Tested by
Vanguard LaboratoryView profile →

This is a purity and identity analysis. Sterility, endotoxins, and heavy metals were not screened — a high purity figure says nothing about those.

About this test

Independent HPLC purity analysis of GLP-3 from Peptide Crafters, performed by Vanguard Laboratory on January 9, 2026. Reported purity: 99.559%. Net content: 23.19 mg against 20 mg labeled (116% of label). Tested content exceeds the labeled amount by 16%. Batch PC-J-RT20. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
HPLC certificate of analysis for GLP-3 20mg from Peptide Crafters showing 99.559 purity
Issued by Vanguard Laboratory · Jan 09, 2026 · Batch PC-J-RT20

Related lab tests

8 tests

The 1024 other Retatrutide tests on Peptigrity range from 64.06% to 100.00%. This one sits at 99.56%.

More from Peptide Crafters
More Retatrutide tests
♡ Likes · 0

Community discussion

0 comments

Join the discussion — sign in to leave a comment on this lab test.

Sign in to comment →

Have you tested this peptide?

Submit your third-party lab test to help the community verify purity claims. Every report is reviewed before publication.

Submit a lab test →