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Composite COA score

99/ 100Grade A

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Avg purity

100

Safety panel

100

Lab corroboration

Forgery risk

100

TB-500 (Thymosin B4)

Lot TB5-010-MH-04 · tested by Kovera Labs · 2026-03-20

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99.92%

Purity

11.22 mg

Net peptide

✓

Mass spec

✓

Endotoxin

Tests reported

HPLC purity

99.919%

Mass spec / LC-MS

Reported

FTIR identity

—

Heavy metals breakdown

Lead

Negative

Cadmium

Negative

Arsenic

Negative

Mercury

Negative

Bare numerics show the raw value without a Pass/Fail status because the USP <232> Class limit depends on dose form. Comparator entries (<, ≤) resolve to Pass since they signal below-limit without needing a threshold table.

Tested by

Kovera Labs

279 COAs indexed · std dev 0.20% · US

Source

We discovered this COA on the vendor's public site.

First indexed 2026-05-17 · extracted 2026-05-24

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Label history

No archived listing available for this COA's test date.

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