Magnesium oxide
108
labels across all brands · median 320 mg/serving
Brand · NIH DSLD
CVS Pharmacy magnesium supplements: 1 product, 133 mg of magnesium per serving
1 CVS Pharmacy magnesium product in 1 form, led by oxide (1); median 133 mg of magnesium per serving. Inside: each product's mg and price.
CVS Pharmacy files 1 on-market magnesium label; the magnesium salt is not named in the filed record for it, so the compound mass cannot be computed.
Labels (n)1
Median elemental mg/serving133 mg
Priced in gold set0
Composition across the portfolio · as filed
What CVS Pharmacy puts in the capsule besides magnesium
- 1 of 1 label lists magnesium stearate. Stearate is 4.1% magnesium by mass and that magnesium is not on the Supplement Facts line; the amount of stearate is not declared, so it cannot be quantified.
- 1 label uses a cellulose-based shell.
Label declarations · as filed
What CVS Pharmacy claims on its labels
Filed declarations across this brand's labels: 3 distinct filed entries across 1 NIH DSLD labels, counted 2026-10-17; these are manufacturer statements.
- Adult (18 - 50 Years) — 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 2026-11-02
Gaps in the record for CVS Pharmacy
- 1 of 1 label does not name the magnesium salt in the filed record, so no compound mass can be computed for it.
- 1 of 1 label has no US retail listing matched as of 2026-11-02. That is a matching gap on our side, not evidence of unavailability.
Labels 1
| Natural Calcium, Magnesium & Zinc USPNIH DSLD · Label 12010 · Unknown | oxide | 133 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
5 published excipient facets occur across 1 labels from CVS Pharmacy in the NIH DSLD records, counted 2026-10-17.
- cellulose: 1 of 1 labels.
- croscarmellose: 1 of 1 labels.
- magnesium stearate: 1 of 1 labels.
- maltodextrin: 1 of 1 labels.
- titanium dioxide: 1 of 1 labels.
FDA recall records for this firm
The FDA enforcement database holds 1 recall records naming CVS Pharmacy (queried 2026-10-19); 0 of them concern a magnesium product.
These are exact brand-string matches in the recalling-firm field or product description, including other products. A name match does not establish that two similarly named firms are the same legal entity. The recalling firm and recalled product are shown in each row.
| Report date | Class | Product described by FDA | Reason for recall | Status | openFDA record |
|---|---|---|---|---|---|
| 2021-04-14 | Class III | Live Better vegan vitamin d-3 by CVS Health, 50 mcg (2000 IU), 40 tablets in blue PET jar, Distributed by: CVS Pharmacy, Inc. one CVS Drive, Woonsocket, RI 02895, UPC 0 50428 62499 9 Recalling firm: New Generation Wellness Inc.. Description does not name a magnesium product. | Vitamin D3 stability sample analyzed and found to be less than 100% of label claim. | Terminated | F-0384-2021 |
FDA assigns 3 recall classes by the assessed hazard, using the FDA classification definitions, checked 2026-09-13:
- Class I: Exposure to or use of the violating product carries a reasonable probability of serious harm to health or death.
- Class II: Exposure or use may produce temporary or medically reversible harm; the probability of serious harm is remote.
- Class III: Adverse health consequences from exposure or use are unlikely.
The FDA adverse event reporting system (CAERS) holds 10 reports naming CVS Pharmacy as of 2026-10-19. 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.