IDENTITY
| Items | Specifications |
| Appearance | Powder |
| Color | White to off white |
| Odor | Characteristic |
| Taste | Characteristic |
| Mesh Size | 60-100 |
| Loss on drying | USP <731> |
| Identity | According to pharmacopeia or/and other appropriate methods |
| GMO Status | NON-GMO |
| Fully Reacted | Product must be fully reacted. |
POTENCY
| Marker Component | Specification | Method |
| Magnesium content | 10.0%-12.5% | ICP/OES |
| Magnesium Ascorbate | 98.0%-102.0% | USP or NIR |
PURITY
MICROBIOLOGICAL TEST:
| Items | Method | Specifications (cfu/g) |
| Total Bacterial Count | USP 61 | <1000 |
| Total Mold & Yeast Count | USP 61 | <100 |
| E. coli | USP 62 | Absent |
| Staphylococcus aureus | USP 62 | Absent |
HEAVY METALS TEST:
| Items | Specifications (ppm) | Methods |
| Arsenic | <1.5 | EPA 6010C using ICP/OES |
| Cadmium | <0.9 | EPA 6010C using ICP/OES |
| Mercury | <3 | EPA 6010C using ICP/OES |
| Methyl Mercury | <0.3 | EPA 6010C using ICP/OES |
| Lead | <1.47 | EPA 6010C using ICP/OES |