TRANSPARENCY

Lab Results

We test every batch. You get to see the results.

Why We Publish Our Lab Results

Most supplement companies keep their test results behind closed doors — if they test at all. We do the opposite.

Every batch of Nature's Purest products is sent to an accredited third-party laboratory for independent testing before it ever reaches your hands. We test for identity, purity, potency, and the absence of heavy metals and microbial contaminants. Then we publish the results right here so you can verify exactly what's in your bottle.

We believe transparency isn't a marketing strategy — it's a basic responsibility. If a company won't show you the lab work, ask yourself why.

What Our COA Tests For

Identity confirmation — verifying the product is what it claims to be
Purity analysis — ensuring the absence of impurities and contaminants
Potency verification — confirming the stated concentration is accurate
Heavy metals screening — testing for lead, arsenic, mercury, and cadmium
Microbial testing — confirming the product is free from harmful bacteria and mold

Download Certificates of Analysis

Click below to download the most recent Certificate of Analysis for each product. We update these as new batches are tested.

Ultimate Methylene Blue 1% Solution

Tested: Most Recent Batch

Third-party tested
Accredited third-party laboratory

Our Testing Process

Batch Produced

Each small batch is manufactured at our GMP-certified US facility using electrolytic purification.

Independently Tested

Samples are sent to an accredited third-party lab for comprehensive identity, purity, and potency analysis.

Results Published

Once verified, we publish the Certificate of Analysis here so you can review and download it yourself.

Questions About Our Lab Results?

If you have questions about our testing process, how to read a Certificate of Analysis, or anything else about our quality standards, we're happy to help. Reach out to our team and we'll get back to you within 24 hours.