Brand · NIH DSLD snapshot 2026-08-10
Major magnesium supplements: 1 product, 500 mg of magnesium per serving
1 Major magnesium product in 1 form, led by oxide (1); median 500 mg of magnesium per serving. Inside: each product's mg and price.
Major files one on-market magnesium label in NIH DSLD, Major Magnesium 500 mg, declaring 500 mg of elemental magnesium per serving as oxide; no capsule verdict is computable. 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 Major 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 | Major | 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 Major use, and how much compound does each need?
Major files one salt, oxide across 1 label; for 100 mg of magnesium the lightest of them needs 166 mg of compound against 166 mg for the heaviest.
computed| Salt | Labels | Elemental fraction | Compound per 100 mg Mg |
|---|---|---|---|
| oxide | 1 | 60.3% | 166 mg |
Source · NIH DSLD labels · snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
How do Major's prices compare within each salt?
No Major label has a matched US retail price in our price collection as of 2026-11-02, against 1 label 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 Major?
The FDA enforcement data queried 2026-10-19 holds 4 recall records naming Major, 0 of them about a magnesium product. CAERS holds adverse event reports naming the brand, as it does for 143 of 273 brands here; openFDA states that “there is no certainty that the reported event (adverse event) was actually due to the product” and that reports “cannot be used to estimate the incidence of these events.”
measured| Recall | Date | Reason | Status |
|---|---|---|---|
| F-1913-2014 | 2014-05-07 | Conjugated Linoleic Acid (CLA) softgel capsules and Fish Oil capsules were found mixed together in a retail bottle labeled as1000 mg Fish Oil soft gel capsules. | Terminated |
| F-2951-2015 | 2015-08-19 | 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-0094-2016 | 2015-10-28 | Major Products is recalling taco seasoning due to potential peanut contamination which is less than 2.5 ppm.. | Terminated |
| F-0623-2018 | 2018-01-31 | Presence of yeast and potential contamination with B. cepacia. | Terminated |
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 Major's labels, and what do they declare?
1 of 1 Major labels list magnesium stearate, 0 use a gelatin shell and 1 a cellulose shell; 4 distinct filed declarations appear across them. Listed ingredients are filed names, not quantities.
measured| Filed entry | Labels |
|---|---|
| croscarmellose sodium | 1 of 1 |
| dicalcium phosphate | 1 of 1 |
| hypromellose | 1 of 1 |
| magnesium stearate | 1 of 1 |
| microcrystalline cellulose | 1 of 1 |
| polyethylene glycol | 1 of 1 |
| stearic acid | 1 of 1 |
| talc | 1 of 1 |
4 additional rows
| Filed entry | Labels |
|---|---|
| Adult (18 - 50 Years) | 1 of 1 |
| Gluten Free | 1 of 1 |
| Dairy Free | 1 of 1 |
| Sugar Free | 1 of 1 |
Source · NIH DSLD labels · snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
Which Major labels are on file, and what does each declare?
Major has 1 on-market label in the NIH DSLD snapshot 2026-08-10, with a median declared amount of 500 mg of elemental magnesium per serving; each row opens the label's own arithmetic.
measured| Label | Declared per serving | Salt | Capsule verdict |
|---|---|---|---|
| Major Magnesium 500 mg | 500 mg | oxide | not applicable |
Source · NIH DSLD labels · snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method