HomeLab Tests Peptide Crafters, Retatrutide
Purity · passBatch · PC-J4-RT10Shop-provided sample

Retatrutide × Peptide Crafters — Lab Test, March 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
99.635%
Excellent purity only
↓ Download COA
Independent verification available

Janoshik Labs publishes a public verification portal. Any test attributed to this lab can be looked up and confirmed directly with the lab — so this result doesn't rest on our review alone.

This certificate carries no lookup code.

Test results

6 data points
Purity
99.635%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
10 mg
Tested qty
10.97 mg
Qty match
110% of labeled · +10%
0label125%
Batch / Lot
PC-J4-RT10
Tested by
Janoshik LabsView 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 Retatrutide from Peptide Crafters, performed by Janoshik Labs on March 12, 2026. Reported purity: 99.635%. Net content: 10.97 mg against 10 mg labeled (110% of label). Batch PC-J4-RT10. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
HPLC certificate of analysis for Retatrutide 10 from Peptide Crafters showing 99.635 purity
Issued by Janoshik Labs · Mar 12, 2026 · Batch PC-J4-RT10

Related lab tests

8 tests

The 1024 other Retatrutide tests on Peptigrity range from 64.06% to 100.00%. This one sits at 99.64%.

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 →