IDUN Peptides

ExcellentLast updated September 1, 2026

IDUN's newer 2026 Kovera Labs reports demonstrate one of the deepest actual report packages in this review: multiple-vial purity and content, LC-MS identity, endotoxin, sterility and a four-metal screen on a single lot record.

Documented strengths

✓Multiple vials tested per lot rather than a single representative vial.
✓Endotoxin and 14-day sterility screens reported separately, not merged into one claim.
✓Arsenic, cadmium, lead and mercury each reported individually.
✓Report numbers plus an external verification access code on published lots.

Limitations in this review

—Older IDUN documentation was less comprehensive than the newer Kovera reports, which is exactly why current lots — not vendor reputation — should be evaluated.
—Do not assume every IDUN product receives this same broad panel because these newer lots do.

Transparency signals

Public batch COAs: AllAll reviewed products passed this individual check.
Historical reports retained: AllAll reviewed products passed this individual check.
Third-party lab verification: AllAll reviewed products passed this individual check.
HPLC purity: AllAll reviewed products passed this individual check.
Measured quantity: AllAll reviewed products passed this individual check.
Lot traceability: AllAll reviewed products passed this individual check.
Sterility: AllAll reviewed products passed this individual check.
Endotoxin: AllAll reviewed products passed this individual check.
Heavy metals: AllAll reviewed products passed this individual check.

Representative lot reports

These are individual lots, recorded exactly as published. A result here applies to that lot only and is not extended to the rest of the catalog.

Retatrutide / GLP-3 RT 30 mg

Kovera Labs · KVR-2026-8117AC · RT30-260527

Vials tested: 4
Average HPLC purity: 99.619%
Average measured content: 34.41 mg (30 mg label)
LC-MS identity: Confirmed
Endotoxin: Pass
Sterility (14-day): No microbial growth
Arsenic / cadmium / lead / mercury: Negative
Verification: Report number and external access code provided

TB-500 10 mg

Kovera Labs · KVR-2026-7C2F8F · TB10-260717

Vials tested: 4
Average HPLC purity: 99.646%
Average measured content: 12.58 mg
LC-MS identity: Confirmed
Endotoxin: Pass
Sterility: No growth
Arsenic / cadmium / lead / mercury: Negative

MOTS-C 40 mg lot

Kovera Labs · MC40-260630

Average purity: 99.712%
Average net content: 42.14 mg
LC-MS identity: Confirmed
Endotoxin: Pass
Sterility (14-day): No microbial growth
Four-metal screen: Negative