Label arithmetic · NIH DSLD 242165
VitaMonk Quad-Magnesium: 113 mg of magnesium per capsule, 2 capsules a day – glycinate + malate + orotate
113 mg of magnesium per capsule; the label's 2 capsules a day give 225 mg. From glycinate + malate + orotate. Inside: label lines, ingredients.
VitaMonk Quad-Magnesium declares 225 mg of elemental magnesium from an amino acid chelate. "Amino acid chelate" names a class of compounds rather than one defined substance, so no elemental fraction exists and the compound mass cannot be computed from the label. No US retail price matched as of 2026-11-02. NIH DSLD 242165, label dated 2021-03-25.
as filedData release 2026-08-10-f441aa9f · registry snapshot 2026-08-10 · latest price observation 2026-10-19 · chemistry 2026-10-17
Mass: not computable · Price: none matched · % DV: 54% vs 54%
Elemental: The magnesium itself; the rest of the compound weight is the partner molecule.
Compound: The whole salt, such as magnesium glycinate, that must physically fit in the capsule.
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; size 00 holds about 730 mg and size 0 about 545 mg.
Recompute with your price
Enter the price you paid; the declared amount and servings of this label are prefilled, so the result is the cost per 100 mg of elemental magnesium for your bottle.
Same-salt comparison appears here.
Will 225 mg of magnesium actually fit in one capsule, or do I need more than one?
The compound mass behind this label cannot be computed as of 2026-11-02: Single-salt capacity audit excluded as of 2026-10-17: buffered, complex, blend or asporotate wording leaves the composition unresolved.. The filed amounts are listed in the next block. Lower bound, not a measurement: even if all 225 mg of magnesium per serving came from magnesium oxide (60.3% magnesium), the richest magnesium salt used in supplements, because the complex or buffer does not specify every carrier, each of the 2 capsules would need at least 187 mg of compound, so at this bound it needs at least a size 0 capsule (about 545 mg at 0.8 g/mL); the actual form, which the label does not name, may need more.
computed with assumption| Measure | Value |
|---|---|
| Elemental magnesium per serving | 225 mg |
| Units per serving | 2 |
| Magnesium salt per serving | Not computable as of 2026-11-02 |
| Magnesium salt per capsule | Not computable as of 2026-11-02 |
| Capsule capacity 0 · 00 · 000 | 545 · 730 · 1,100 mg |
| Verdict | Not computable as of 2026-11-02 |
Source · NIH DSLD 242165 · label 2021-03-25; snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
How much elemental magnesium is actually in this label's filed magnesium lines?
VitaMonk Quad-Magnesium files 1 magnesium line in NIH DSLD 242165; the selected primary line declares 225 mg of elemental magnesium per serving, against 0 other rows excluded from the primary amount. A salt named under another nutrient does not turn that nutrient's quantity into elemental magnesium.
measured| Filed amount | Salt or note as filed | Role |
|---|---|---|
| 225 mg | glycinate, malate, orotate · Magnesium (Form: as Magnesium Glycinate Chelate, Magnesium Orotate, Di-Magnesium Malate, and Magnesium Taurinate) | Primary serving |
Source · NIH DSLD 242165 · label 2021-03-25; snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
Does this label's magnesium claim hold up, or could the magnesium come from another source?
The label names 3 magnesium forms (glycinate, malate, orotate); a named blend does not establish how much magnesium each form contributes, so the resolved reading is the most favourable one, compared with oxide, the salt richest in magnesium at 60.3%.
computed with assumption| Form named on the label | Elemental fraction | Source |
|---|---|---|
| Magnesium glycinate | 11.8–14.1% | named on label |
| Magnesium malate | 12.6–15.5% | named on label |
| Magnesium orotate | 7.3% | named on label |
Source · NIH DSLD 242165 · label 2021-03-25; snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
Is this a good price for the elemental magnesium I'm actually getting?
No US retail price is matched to this label as of 2026-11-02, and without a resolved salt there is no same-salt comparison.
computed| Rank | Label | Per 100 mg | Observed |
|---|
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
How many days will this bottle last at the label's own serving, and what does a day cost?
At the label's own serving, VitaMonk Quad-Magnesium lasts 30 days: 30 servings against 1 serving a day in the filed directions.
computed| Measure | Value |
|---|---|
| Net contents as filed | 60 Capsule(s) |
| Serving size as filed | 2 Capsule(s) |
| Servings per container | 30 |
| Servings per day in the directions | 1 |
| Days per bottle | 30 days |
| $ per 30 days at one label serving a day | No ranked price as of 2026-11-02 |
| $ per 30 days at 420 mg Daily Value | No ranked price as of 2026-11-02 |
Source · NIH DSLD 242165 · label 2021-03-25; snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
What does "54% Daily Value" mean here, and does it recompute?
The label declares 54% Daily Value; 225 mg against the 420 mg reference in 21 CFR 101.9 recomputes to 54%, the same within one point.
computed| Group as filed | Declared | Reference | Recomputed |
|---|---|---|---|
| Adults and children 4 or more years of age | 54% | 420 mg | 54% |
Source · NIH DSLD 242165; 21 CFR 101.9 · label 2021-03-25 · release 2026-08-10-f441aa9f · CSV · method
Why does this label contain these other ingredients, what shell is it, and who is it filed for?
VitaMonk Quad-Magnesium files 2 other ingredients and a vegetarian shell.
measured| Entry | Filed ingredient or declaration |
|---|---|
| 1 | Vegetable Cellulose Capsules |
| 2 | Rice Flour |
| Shell | vegetarian |
| Target group | Adult (18 - 50 Years) |
Source · NIH DSLD 242165 · label 2021-03-25; snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
What has research measured about this form, and about side effects?
No study in the registry measured an unresolved salt as of 2026-11-02.
measured| Year | Study | PubMed |
|---|
Source · PubMed-checked study registry · registry checked 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
Has this brand had FDA recalls or adverse event reports?
VitaMonk has 0 FDA recall records matched by brand name in the enforcement data queried 2026-10-19. VitaMonk has FDA CAERS adverse event reports on record at brand level, as do 143 of 273 brands in this registry; 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 |
|---|---|---|---|
| No recall record as of 2026-10-19 |
Source · openFDA enforcement and CAERS · queried 2026-10-19 · release 2026-08-10-f441aa9f · CSV · method
Is this the same formula as another brand's, and how do their prices differ?
No other brand files the same formulation (ingredients, shell, units and rounded amount) as of 2026-11-02.
computed| Label | Brand | Price per 100 mg |
|---|---|---|
| No cross-brand match as of 2026-11-02 |
Source · NIH DSLD 242165 · label 2021-03-25; snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
Which labels are closest to this one, with the same salt and dose?
No other label files the same resolved salt within ±10% of this label's dose per unit as of 2026-11-02.
computed| Label | Elemental per unit | Price | Verdict |
|---|---|---|---|
| No neighbour as of 2026-11-02 |
Source · NIH DSLD 242165 · label 2021-03-25; snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
Where does this record come from, what is missing, and how do I cite or correct it?
Every value on this page traces to NIH DSLD 242165 (label 2021-03-25, snapshot 2026-08-10) and the chemistry model of 2026-09-13. 3 gaps remain: Single-salt capacity audit excluded as of 2026-10-17: buffered, complex, blend or asporotate wording leaves the composition unresolved.; No US retail price matched as of 2026-11-02 (barcode X001Y2F31F); A single salt with a defined elemental fraction is unresolved as of 2026-11-02. The CSV carries the values shown here.
measured| Field | As filed |
|---|---|
| NIH DSLD label | NIH DSLD 242165 |
| Label date | 2021-03-25 |
| Date entered into DSLD | 2021-03-25 |
| Barcode (UPC) as filed | X001Y2F31F |
| Manufactured for | VitaMonk, Pompano Beach, FL |
| Claim category as filed | Nutrient |
| Claim category as filed | All Other |
| Claim category as filed | Structure/Function |
16 additional rows
| Field | As filed |
|---|---|
| Suggested/Recommended/Usage/Directions | Recommended Use: Take one serving daily with meals. |
| Precautions re: Children | Warning: Product may cause gastrointestinal discomfort, including diarrhea. Do not exceed recommended dose. |
| Precautions re: Pregnant or Nursing or Prescription Medications | Pregnant or nursing mothers, children under 18 and individuals with known medical conditions should consult a physician before using this dietary supplement. |
| Precautions re: Children | Pregnant or nursing mothers, children under 18 and individuals with known medical conditions should consult a physician before using this dietary supplement. |
| Precautions re: All Other | Discontinue use and consult your physician if any adverse reactions occur. |
| Precautions re: Children | Keep out of reach of children. |
| Precautions re: All Other | Do not use if safety seal is damaged or missing. |
| Storage | Store in a cool, dry place. |
| FDA Disclaimer Statement | These statements have not been evaluated by the Food and Drug Administration This product is not intended to diagnose, treat, cure or prevent any disease. |
| Seals/Symbols | GMP Good Manufacturing Practice 100% Premium Quality Satisfaction Guaranteed |
| Formula re: Contains | Bioavailable Magnesium Blend |
| Formulation re: Other | Promotes brain & neurological health Enhances relaxation & quality of sleep |
| FDA Statement of Identity | Dietary Supplement |
| General Statements: All Other Content | To get 15% off your next purchase, visit www.vitamonk.com/thanks |
| Physical state | Capsule |
| Registry snapshot | 2026-08-10 |
Source · NIH DSLD 242165 · label 2021-03-25; snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
6 brand pages linked below contain magnesium labels from the NIH DSLD registry snapshot dated 2026-08-10.