Magnesium oxide
108
labels across all brands · median 310 mg/serving
Brand · NIH DSLD
Major magnesium labels
Major 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 Major uses
| Salt | Labels | Elemental fraction | Compound needed per 100 mg |
|---|---|---|---|
| oxide | 1 | 60.32% | 166 mg |
Composition across the portfolio · as filed
What Major 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 Major claims on its labels
Filed declarations across this brand's labels: 4 distinct filed entries across 1 NIH DSLD labels, counted 2026-09-13; these are manufacturer statements.
- 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 Major
- 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 215959 · Tablet or Pill | 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
9 published excipient facets occur across 1 labels from Major in the NIH DSLD records, counted 2026-09-13.
- croscarmellose sodium: 1 of 1 labels.
- dicalcium phosphate: 1 of 1 labels.
- hypromellose: 1 of 1 labels.
- magnesium stearate: 1 of 1 labels.
- microcrystalline cellulose: 1 of 1 labels.
- polyethylene glycol: 1 of 1 labels.
- stearic acid: 1 of 1 labels.
- talc: 1 of 1 labels.
- titanium dioxide: 1 of 1 labels.
FDA recall records for this firm
The FDA enforcement database holds 2 recall records naming Major (queried 2026-09-13); 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 |
|---|---|---|---|---|---|
| 2018-01-31 | Class II | Major Ferrous Drop Iron Supplement 50 mL UPC 00904-6060-50 Recalling firm: Pharmatech LLC. Description does not name a magnesium product. | Presence of yeast and potential contamination with B. cepacia. | Terminated | F-0623-2018 |
| 2015-08-19 | Class III | Coenzyme Q-10 50 mg label reads in part, "***Major***CO Q-10 50 MG***For healthy HEART & IMMUNE function***Promotes ENERGY in all Body Cells***Dietary Supplement 30 SOFTGELS***." Recalling firm: Mason Vitamins, Inc.. Description does not name a magnesium product. | Product is mislabeled. Some of the Co Q 10 30 mg bottles were labeled with the incorrect label, Co Q 10 50 mg. | Terminated | F-2951-2015 |
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 13 reports naming Major 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.