Magnesium Glycinate 3-in-1 Certificate of Analysis
Pure Vitamins®
Certificate of Analysis
Magnesium Glycinate 3-in-1 Capsules · 60 Capsules
✓ All components meet labelled claimsActive Ingredients (per 2-capsule serving)
| Component | Label Claim | Tested Value | Spec. Limit | Result | Method |
|---|---|---|---|---|---|
| Magnesium Glycinate | 1,000 mg | 1,005 mg | 950–1,050 mg | ✓ Pass | HPLC |
| Magnesium Malate | 400 mg | 398 mg | 380–420 mg | ✓ Pass | HPLC |
| Magnesium Citrate | 400 mg | 403 mg | 380–420 mg | ✓ Pass | HPLC |
| Total Magnesium Compounds | 1,800 mg | 1,812 mg | 1,750–1,850 mg | ✓ Pass | Gravimetric |
| Elemental Magnesium | 384 mg | 387 mg | 375–395 mg | ✓ Pass | ICP-MS |
Values are per 2-capsule serving, as tested. Each magnesium form is measured separately, so you can see it is glycinate, malate and citrate, with no magnesium oxide.
Other Ingredients (per serving)
| Component | Label Claim | Tested Value | Spec. Limit | Result | Method |
|---|---|---|---|---|---|
| Hypromellose (capsule shell) | 90 mg | 91 mg | 85–95 mg | ✓ Pass | USP <1062> |
| Microcrystalline Cellulose | 10 mg | 10.2 mg | 9.0–11.0 mg | ✓ Pass | USP <1062> |
| Magnesium Stearate | 10 mg | 9.8 mg | 9.0–11.0 mg | ✓ Pass | USP <1062> |
| Silicon Dioxide | 5 mg | 5.1 mg | 4.5–5.5 mg | ✓ Pass | USP <1062> |
Microbial Testing
| Test | Result | Limit | Result |
|---|---|---|---|
| Total Aerobic Count | <10 CFU/g | ≤1,000 CFU/g | ✓ Pass |
| Yeast & Mould | <10 CFU/g | ≤100 CFU/g | ✓ Pass |
| E. coli | Absent | Absent | ✓ Pass |
| Salmonella spp. | Absent | Absent | ✓ Pass |
Heavy Metal Testing
| Test | Result | Limit | Result |
|---|---|---|---|
| Lead (Pb) | <0.1 ppm | ≤0.5 ppm | ✓ Pass |
| Arsenic (As) | <0.3 ppm | ≤1.0 ppm | ✓ Pass |
| Cadmium (Cd) | <0.05 ppm | ≤0.2 ppm | ✓ Pass |
| Mercury (Hg) | <0.01 ppm | ≤0.1 ppm | ✓ Pass |
Allergen & Additional Information
✓ Gluten-FreeConfirmed <20 ppm (ELISA)
✓ Non-GMOConfirmed (PCR tested)
✓ GMP ManufacturedFDA 21 CFR 111 + USP compliant
✓ All components meet labelled claims within specified limits
Batch tested against the specifications shown. Results apply to the batch number stated above only. This summary has been prepared by Pure Vitamins from the batch Certificate of Analysis. Questions? Contact hello@puremultivitamins.com.
Document ref: PV-COA-MG-2025-001 · Test results issued: May 2025 · puremultivitamins.com
Document ref: PV-COA-MG-2025-001 · Test results issued: May 2025 · puremultivitamins.com


