Magnesium citrate
118
labels across all brands · median 217.5 mg/serving
Brand · NIH DSLD
Metabolic Maintenance magnesium supplements: 9 products in 3 forms, 99–167 mg of magnesium per serving
9 Metabolic Maintenance magnesium products in 3 forms, led by citrate (6); median 125 mg of magnesium per serving. Inside: each product's mg and price.
Metabolic Maintenance files 9 on-market magnesium labels using 3 different salts, with a median of 125 mg elemental magnesium per serving.
Labels (n)9
Median elemental mg/serving125 mg
Priced in gold set1
Mass budget · computed
What Metabolic Maintenance's declared salts weigh
A Supplement Facts panel declares the element; the salt carrying it is heavier. Dividing each label's declared magnesium by its salt's elemental fraction gives the powder mass the serving must contain — and whether that fits a capsule.
| Capsule labels audited | 9 |
|---|---|
| Fit a size 0 or 00 capsule | 3 |
| Require the largest standard size, 000 | 6 |
| Exceed every standard capsule | 0 |
Method and the corpus-wide figure: label mass-budget audit.
Salt portfolio · as filed
Which magnesium salts Metabolic Maintenance uses
| Salt | Labels | Elemental fraction | Compound needed per 100 mg |
|---|---|---|---|
| citrate | 6 | 11.3–16.16% | 619–885 mg |
| glycinate | 2 | 11.83–14.1% | 709–845 mg |
| aspartate | 1 | 7.49–15.64% | 639–1,335 mg |
Composition across the portfolio · as filed
What Metabolic Maintenance puts in the capsule besides magnesium
- 9 labels use a cellulose-based shell.
Label declarations · as filed
What Metabolic Maintenance claims on its labels
Filed declarations across this brand's labels: 3 distinct filed entries across 9 NIH DSLD labels, counted 2026-10-17; these are manufacturer statements.
- Adult (18 - 50 Years) — on 9 of 9 labels
- Gluten Free — on 5 of 9 labels
- Dairy Free — on 4 of 9 labels
What is not known · as of 2026-11-02
Gaps in the record for Metabolic Maintenance
- 8 of 9 labels have no US retail listing matched as of 2026-11-02. That is a matching gap on our side, not evidence of unavailability.
Labels 9
| Magnesium CitrateNIH DSLD · Label 24926 · Capsule | citrate | 167 mg | Not filed | — | Not tracked yet |
| Magnesium CitrateNIH DSLD · Label 25020 · Capsule | citrate | 167 mg | Not filed | — | Not tracked yet |
| Magnesium CitrateNIH DSLD · Label 274075 · Capsule | citrate | 150 mg | 240 | 36.00 g | Not tracked yet |
| Magnesium CitrateNIH DSLD · Label 274076 · Capsule | form not mapped yet | 150 mg | 120 | 18.00 g | Not tracked yet |
| Magnesium GlycinateNIH DSLD · Label 25018 · Capsule | glycinate | 125 mg | Not filed | — | Not tracked yet |
| Magnesium GlycinateNIH DSLD · Label 274078 · Capsule | form not mapped yet | 125 mg | 180 | 22.50 g | Verified |
| Potassium Magnesium CitrateNIH DSLD · Label 274097 · Capsule | citrate | 100 mg | 250 | 25.00 g | Not tracked yet |
| Potassium/Magnesium AspartateNIH DSLD · Label 25095 · Capsule | aspartate | 99 mg | Not filed | — | Not tracked yet |
| Potassium/Magnesium CitrateNIH DSLD · Label 25096 · Capsule | citrate | 125 mg | Not filed | — | Not tracked yet |
Forms filed
Compare within a form
Magnesium glycinate
65
labels across all brands · median 300 mg/serving
Magnesium aspartate
33
labels across all brands · median 200 mg/serving
See all brands, all labels, or the priced form tables.
Filed composition facets
2 published excipient facets occur across 9 labels from Metabolic Maintenance in the NIH DSLD records, counted 2026-10-17.
- vegetarian capsule: 5 of 9 labels.
- l-leucine: 2 of 9 labels.
The FDA adverse event reporting system (CAERS) holds 1 reports naming Metabolic Maintenance 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.