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In addition to purity, assay is a very important test result. Tests can yield 100% purity for NMN that is mixed with other powders, and assay shows this. So, if the purity is 100% and assay is 20%, this means its 20% pure NMN mixed with 80% of other powders (salt, sugar, flour etc).
Its also very important to test for β-NMN since other forms of NMN have no benefits.
| Name | β- nicotinamide mononucleotide (β-NMN) |
| Description | Chemical |
| Appearance | White powder |
| Life Powders Batch Number | NMN2511T |
| Expiry | Jan 2026 |
| Purity | 99.9% |
| Assay | 100.2% |
| Density | 0.38 to 0.39 g/ml |
| Lead | Not Detected |
| Arsenic | Not Detected |
| Cadmium | Not Detected |
| Mercury | Not Detected |
| Total microbial count | Less than 10 CFU/g |
| Coliform | Less than 3 MPN/g |
| Yeast / mould | Less that 10 CFU/g |
| Aflatoxins | Absent / Not detected |
| Salmonella | Absent / Not detected |
| Escherichia coli | Absent / Not detected |
| Staphylococcus | Absent / Not detected |
| Methanol | Absent / Not detected |
| Ethanol | 85 ppm (0.0085%) |