Certificates of Analysis (COA) — CleanSupplementsUK

At CleanSupplementsUK, transparency means publishing batch-level Certificates of Analysis (COAs). Every product batch is tested by independent ISO 17025-accredited laboratories for identity, purity, heavy metals, and microbiology.

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How to Read a COA

Each COA shows lab-verified proof of what’s in (and not in) our capsules. Look for:

• ✅ Ingredient identity (e.g., Magnesium Glycinate confirmed)
• ✅ Purity checks (no contaminants)
• ✅ Heavy metal safety (meets strict UK limits)
• ✅ Microbiological safety

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Available COAs

Click to view or download the PDF lab reports:

• Triple Magnesium — Batch 2025-08 (PDF)

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Our Standards

– No fillers or unnecessary excipients
– Vegan cellulose capsules only
– Blended in UK GMP/BRCGS facilities
– Batch-tested with ISO 17025-accredited labs

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Food supplements are not intended to diagnose, treat, cure, or prevent disease. Always consult a qualified professional.