Magnesium oxide
108
labels across all brands · median 310 mg/serving
Brand · NIH DSLD
Sundown Naturalist files 1 on-market magnesium label using one salt, oxide, with a median of 250 mg elemental magnesium per serving.
Salt portfolio · as filed
| Salt | Labels | Elemental fraction | Compound needed per 100 mg |
|---|---|---|---|
| oxide | 1 | 60.32% | 166 mg |
Composition across the portfolio · as filed
Label declarations · as filed
Filed declarations across this brand's labels: 4 distinct filed entries across 1 NIH DSLD labels, counted 2026-09-13; these are manufacturer statements.
What is not known · as of 2026-09-13
| Magnesium 250 mgNIH DSLD · Label 63457 · Other (e.g. tea bag) | oxide | 250 mg | Not filed | — | Not tracked yet |
Forms filed
108
labels across all brands · median 310 mg/serving
See all brands, all labels, or the priced form tables.
3 published excipient facets occur across 1 labels from Sundown Naturalist in the NIH DSLD records, counted 2026-09-13.
The FDA adverse event reporting system (CAERS) holds 1 reports naming Sundown Naturalist 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
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.