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Certificates of Analysis

Best 365 Labs sources USP grade Methylene Blue. Final products meet USP standards.

Click a product image for the Certificate of Analysis

United States Pharmacopeia (USP) Limit for Nutritional Supplements 

Lead 10 ppm

Arsenic 3 ppm

Cadmium 3 ppm

Mercury 3 ppm

 

If your label recommends one single daily dose of 500mg, the PPM in your product cannot be higher than:

​

Lead = 0.900 ppm

Arsenic = 20.000 ppm

Cadmium = 8.200 ppm

Mercury = 0.600 ppm

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