COA 2607280137 matches freedomdiagnosticstesting.com's public record. So this test doesn't rest on our review alone — the lab confirms it too.
Step2607280137Independent HPLC purity analysis of Thymosin-Alpha 1 (A1) from s1research.net, performed by freedomdiagnosticstesting.com on July 31, 2026. Reported purity: 99.95%. Net content: 10.93 mg against 10 mg labeled (109% of label). Endotoxins: Pass (≤0.05 EU/mL). Heavy metals: Pass — Arsenic, Cadmium, Lead, and Mercury below reporting/specification limits. Batch TAT26071802. Sample source: shop-provided. Certificate of analysis attached.

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