Ergothioneine Powder is a naturally occurring, sulfur-containing amino acid that has gained attention for its powerful antioxidant properties and potential health benefits. Our Bulk L-Ergothioneine Powder is a high-quality, potent ingredient designed to provide exceptional protection against oxidative stress, promote skin health, and support overall wellness.
| Test Item | Specifications |
| Appearance | White powder or crystal |
| Odor | Odorless |
| Loss on drying | ≤0.50% |
| Assay (HPLC) | 0.30% |
| As (Arsenic) | ≤2ppm |
| Pb (Lead) | ≤10ppm |
| Cd (Cadmium) | ≤5ppm |
| Hg (Mercury) | ≤1ppm |
| Total microbial count | ≤100 cfu/g |
| Molds & Yeasts | ≤50 cfu/g |
| Escherichia coli & Salmonella | Negative |
| Staphylococcus aureus | Negative |
| Pseudomonas aeruginosa | Negative |
| Conclusion | The product meets In-house requirements |
| Storage Conditions | Sealed, lightless, cool and ventilated place for preservation |
| Shelf Life | 24 months under the conditions above and in its original packaging. |












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