ForumApex Peptides and the North Sioux City search: what's confirmed and what buyers can check· Shop talk · last reply 3 h ago
✓ Purity · passShop-provided sample

PT-141 × Optima Supply — lab test, October 2024

Sample label: Optima Chemical Supply
Lotlook this batch up across every shop →Check another lot
Tested · submitted by Peptigrity Team Member 02PEPTIGRITY TEAM
⚠ This test is older than 2 years - results may not reflect current product quality.
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
99.928%
✓ Excellent purity only
PeptidePT-141
See Optima Supply reviews & all 39 lab tests
↓ 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
99.928%
Endotoxins
Not tested
Sterility
Not on file
Heavy metals
Not tested
Stated qty
10 mg
Tested qty
10.46 mg
Qty match
105% of labeled · +5%
Batch / Lot
PT141-001
Tested by
Janoshik LabsView profile →

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

About this test

What’s in the vial

Label 10 mg · Lab measured 10.46 mg

105% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 2.6 mg using the measured mass, against 2.5 mg on the label — 5% 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 PT-141 from Optima Supply, performed by Janoshik Labs on October 4, 2024. Reported purity: 99.928%. Net content: 10.46 mg against 10 mg labeled (105% of label). Batch PT141-001. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by Janoshik Labs · Oct 04, 2024 · Batch PT141-001

Related lab tests

7 tests

The 268 other PT-141 tests on Peptigrity range from 97.00% to 99.98%. This one sits at 99.93%.

More from Optima Supply
More PT-141 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.