COA results by compound

Vitamin D COA — Verified Certificate of Analysis Results

2 independent third-party certificates of analysis for Vitamin D, from 1 labs across 2 vendors (2026-02-28 to 2026-04-02).

Every Vitamin D certificate of analysis below is from an independent third-party lab, ingested and verified by TitrateLab. The figures here are computed live from the 2 published Vitamin D certs in our corpus.

2
Certificates
1
Independent labs
99.6%
Median tested purity

Verified Vitamin D certificates of analysis

VendorPurityDose vs labelLabTested
Flawless Compounds 99.613% — Freedom Diagnostics 2026-04-02 View COA →
Glow Aminos 99.613% — Freedom Diagnostics 2026-02-28 View COA →
Vitamin D research & evidence → Verify a Vitamin D COA → Browse vendors →

More COA results by compound

Retatrutide COA (9703) Tirzepatide COA (7306) GHK-Cu COA (2428) BPC-157 COA (2377) Tesamorelin COA (2216) MOTS-c COA (1957) NAD+ COA (1471) TB-500 COA (1242) BPC-157 + TB-500 COA (1138) Ipamorelin COA (1125) BPC-157 + Ghk-cu + Kpv + TB-500 COA (947) CJC-1295 + Ipamorelin COA (897)