Brand · NIH DSLD snapshot 2026-08-10
Zemvelo magnesium supplements: 2 products, 100–365 mg of magnesium per serving
2 Zemvelo magnesium products: Magnesium, 100 mg per serving, and Magnesium 365 Tangerine Flavor, 365 mg per serving. Prices inside.
Zemvelo files 2 on-market magnesium labels in NIH DSLD using one salt, chloride; no capsule label names one salt and one amount that can be checked against capsule sizes. Median declared amount 233 mg per serving; 0 of 2 labels have a matched US price as of 2026-11-02. Snapshot 2026-08-10.
computed from filed labelsData release 2026-08-10-f441aa9f · registry snapshot 2026-08-10 · latest price observation 2026-11-02 · chemistry 2026-10-17
Elemental: The magnesium itself; the rest of the compound weight is the partner molecule.
Size 000: The largest standard capsule, about 1,100 mg of powder at 0.8 g/mL, the top of the usual 0.6–0.8 range.
Estimated salt mass versus assumed capsule capacity
No Zemvelo capsule label has a single resolved salt and one declared amount as of 2026-08-10, so no capsule verdict is counted.
computed with assumption| Verdict | Zemvelo | All audited capsule labels |
|---|---|---|
| Fits size 0 or 00 | no audited capsule label | 82 of 137 |
| Needs size 000 | no audited capsule label | 47 of 137 |
| Exceeds size 000 | no audited capsule label | 8 of 137 |
Source · NIH DSLD labels; mass balance · recognized salt only; snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
Which magnesium salts does Zemvelo use, and how much compound does each need?
Zemvelo files one salt, chloride across 2 labels; for 100 mg of magnesium the lightest of them needs 392 mg of compound against 836 mg for the heaviest.
computed| Salt | Labels | Elemental fraction | Compound per 100 mg Mg |
|---|---|---|---|
| chloride | 1 | 12.0–25.5% | 392–836 mg |
Source · NIH DSLD labels · snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
How do Zemvelo's prices compare within each salt?
No Zemvelo label has a matched US retail price in our price collection as of 2026-11-02, against 2 labels on file.
computed| Label | Salt | Per 100 mg | Same-salt median | Observed |
|---|---|---|---|---|
| No matched price as of 2026-11-02 |
Source · Amazon via licensed data provider; NIH DSLD · unique ASIN × date; prices observed 2026-10-26 to 2026-11-02 · release 2026-08-10-f441aa9f · CSV · method
Does the FDA hold recall or adverse event records naming Zemvelo?
The FDA enforcement data queried 2026-10-19 holds 0 recall records naming Zemvelo, 0 of them about a magnesium product. CAERS holds no report naming the brand as of 2026-10-19, against 143 of 273 brands here that have any.
measured| Recall | Date | Reason | Status |
|---|---|---|---|
| No record as of 2026-10-19 |
FDA record register and matching method
Source · openFDA enforcement and CAERS · queried 2026-10-19 · release 2026-08-10-f441aa9f · CSV · method
What else goes into Zemvelo's labels, and what do they declare?
0 of 2 Zemvelo labels list magnesium stearate, 0 use a gelatin shell and 0 a cellulose shell; 6 distinct filed declarations appear across them. Listed ingredients are filed names, not quantities.
measured| Filed entry | Labels |
|---|---|
| citric acid | 1 of 2 |
| stevia | 1 of 2 |
| Vegan | 2 of 2 |
| Vegetarian | 2 of 2 |
| Adult (18 - 50 Years) | 2 of 2 |
| Gluten Free | 2 of 2 |
| Children 4 or More Years of Age | 1 of 2 |
| Dairy Free | 1 of 2 |
Source · NIH DSLD labels · snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
Which Zemvelo labels are on file, and what does each declare?
Zemvelo has 2 on-market labels in the NIH DSLD snapshot 2026-08-10, with a median declared amount of 233 mg of elemental magnesium per serving; each row opens the label's own arithmetic.
measured| Label | Declared per serving | Salt | Capsule verdict |
|---|---|---|---|
| Zemvelo Magnesium | 100 mg | chloride | not applicable |
| Zemvelo Magnesium 365 Tangerine Flavor | 365 mg | not resolved | not computable |
Source · NIH DSLD labels · snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method