Magnesium oxide
108
labels across all brands · median 310 mg/serving
Brand · NIH DSLD
Sundown magnesium labels
Sundown files 1 on-market magnesium label using one salt, oxide, with a median of 500 mg elemental magnesium per serving.
Labels (n)1
Median elemental mg/serving500 mg
Priced in gold set0
Salt portfolio · as filed
Which magnesium salts Sundown uses
| Salt | Labels | Elemental fraction | Compound needed per 100 mg |
|---|---|---|---|
| oxide | 1 | 60.32% | 166 mg |
Composition across the portfolio · as filed
What Sundown puts in the capsule besides magnesium
- 1 label uses a cellulose-based shell.
Label declarations · as filed
What Sundown claims on its labels
Filed declarations across this brand's labels: 5 distinct filed entries across 1 NIH DSLD labels, counted 2026-09-13; these are manufacturer statements.
- Vegetarian — on 1 of 1 label
- Adult (18 - 50 Years) — on 1 of 1 label
- Gluten Free — on 1 of 1 label
- Dairy Free — on 1 of 1 label
- Sugar Free — on 1 of 1 label
What is not known · as of 2026-09-13
Gaps in the record for Sundown
- 1 of 1 label has no US retail listing matched as of 2026-09-13. That is a matching gap on our side, not evidence of unavailability.
Labels 1
| Magnesium 500 mgNIH DSLD · Label 212297 · Other (e.g. tea bag) | oxide | 500 mg | Not filed | — | Not tracked yet |
Forms filed
Compare within a form
See all brands, all labels, or the priced form tables.
Filed composition facets
2 published excipient facets occur across 1 labels from Sundown in the NIH DSLD records, counted 2026-09-13.
- cellulose: 1 of 1 labels.
- dicalcium phosphate: 1 of 1 labels.
The FDA adverse event reporting system (CAERS) holds 225 reports naming Sundown as of 2026-09-13. This is a count of submitted reports across all the firm's products; it is not an incidence rate and implies no causation.
The metric
What EC100 measures
EC100 = container price ÷ (elemental mg per serving × servings per container ÷ 100)
It normalizes the declared elemental amount to a 100 mg unit. It does not score ingredients, quality, or outcomes.