ForumRetatrutide: 1, 2 or 3 mL of BAC water — what do you use, and why? · Retatrutide · 6 replies
✓ Purity · pass✓ Lab-verifiedShop-provided sample

TB-500 × My Amino Lab — lab test, July 2026

Sample label: Vector Amino Labs LLC
Lotlook this batch up across every shop →Check another lot
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
99.839%
✓ Excellent purity only
Counts toward My Amino Lab's Trust Score until 6 Jul 2028
PeptideTB-500
See My Amino Lab reviews & all 28 lab tests
↓ Download COA
Independently confirmed on the lab’s portal✓ Extra check

COA KVR-2026-1E1835 matches Kovera Labs's public record. So this test doesn't rest on our review alone — the lab confirms it too.

Lookup code49DRG3A

Test results

7 data points
Purity
99.839%
Endotoxins
Not tested
Sterility
Not on file
Heavy metals
Not tested
Stated qty
5 mg
Tested qty
4.96 mg
Qty match
99% of labeled · -1%
Batch / Lot
V2606-TB5-2401
COA number
KVR-2026-1E1835
Container
Lyophilized Powder / Red Cap / Silver Crimp
Tested by
Kovera 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 5 mg · Lab measured 4.96 mg

99% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 1.2 mg using the measured mass, against 1.3 mg on the label — 1% less.

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.

Verification trail
Report numberKVR-2026-1E1835
Portal lookup✓ Lab-verified
Checked8 Aug 2026date taken from the record, not from a logged check
Checked byPeptigrity staff, against the lab's portal
PDF vs portalKovera Labs's portal shows validity only
WeightCounts as one lab test

Independent HPLC purity analysis of TB-500 from My Amino Lab, performed by Kovera Labs on July 6, 2026. Reported purity: 99.839%. Net content: 4.96 mg against 5 mg labeled (99% of label). Batch V2606-TB5-2401. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by Kovera Labs · Jul 06, 2026 · Batch V2606-TB5-2401

Related lab tests

8 tests

The 447 other TB-500 tests on Peptigrity range from 96.84% to 100.00%. This one sits at 99.84%.

More from My Amino Lab
More TB-500 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.