Label arithmetic · NIH DSLD 23164
PureBulk.com Magnesium Gluconate: 27 mg of magnesium per 500 mg, 500 servings
27 mg of magnesium in each 500 mg, about 500 servings per 250 g. Gluconate is 5.9% magnesium. Inside: salt per scoop, %DV check.
PureBulk.com Magnesium Gluconate declares 27 mg of elemental magnesium per serving as gluconate, which means 461 mg of magnesium gluconate powder in one serving, compared with 1,100 mg in the largest standard capsule; that is the weight of the salt alone, before any fillers or flavours in the scoop. No US retail price matched as of 2026-11-02; 1 of the 6 gluconate labels in this registry have a matched price. NIH DSLD 23164, label dated 2013-06-25.
computed from the filed label
Chart data
| Displayed chart text |
|---|
| gluconate |
| 461 |
| orotate |
| 371 |
| L-threonate |
| 327 |
| taurate |
| 303 |
| lactate |
| 225 |
| glycerophosphate |
| 216 |
| glycinate |
| 191 |
| malate |
| 174 |
| aspartate |
| 173 |
| citrate |
| 167 |
| sulfate |
| 134 |
| chloride |
| 106 |
| carbonate |
| 94 |
| hydroxide |
| 65 |
| oxide |
| 45 |
Data release 2026-08-10-f441aa9f · registry snapshot 2026-08-10 · latest price observation 2026-10-19 · chemistry 2026-10-17
Mass: 461 mg per serving · Price: none matched · % DV: 7% vs 6%
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.
How much gluconate powder is in one scoop?
PureBulk.com Magnesium Gluconate carries 461 mg of magnesium gluconate per serving for 27 mg of elemental magnesium, against 1,100 mg in the largest standard capsule; capsule capacities do not apply to this powder.
computed with assumption| Measure | Value |
|---|---|
| Elemental magnesium per serving | 27 mg |
| Units per serving | Not a discrete unit as of 2026-11-02 |
| Magnesium gluconate per serving | 461 mg |
| Magnesium gluconate per serving | Not computable as of 2026-11-02 |
| Capsule capacity 0 · 00 · 000 | 545 · 730 · 1,100 mg |
| Verdict | Capsule sizes do not apply |
Source · NIH DSLD 23164 · label 2013-06-25; snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
How much elemental magnesium is actually in this label's filed magnesium lines?
PureBulk.com Magnesium Gluconate files 1 magnesium line in NIH DSLD 23164; the selected primary line declares 27 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 |
|---|---|---|
| 27 mg | gluconate · Magnesium (Form: as Magnesium Gluconate) | Primary serving |
Source · NIH DSLD 23164 · label 2013-06-25; snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
Does this label's gluconate claim hold up, or could the magnesium come from another source?
The label names one magnesium form, gluconate, resolved from the filed magnesium line; capsule capacities do not apply to this form, compared with oxide, the salt richest in magnesium at 60.3%.
computed with assumption| Form named on the label | Elemental fraction | Source |
|---|---|---|
| Magnesium gluconate | 5.9% | filed magnesium line |
Source · NIH DSLD 23164 · label 2013-06-25; 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; 1 of 6 gluconate labels have one, against a median of $0.6164 per 100 mg among 1 ranked gluconate offer.
computed
Chart data
| Displayed chart text |
|---|
| n=1 |
| median $0.6164 |
| Rank | Label | Per 100 mg | Observed |
|---|---|---|---|
| 1 | Freeda Magnesium Gluconate | $0.6164 | 2026-11-02 |
| Median | 1 ranked gluconate offer | $0.6164 | 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
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, PureBulk.com Magnesium Gluconate lasts 250 days: 500 servings against 2 servings a day in the filed directions.
computed| Measure | Value |
|---|---|
| Net contents as filed | 250 g; 8.82 oz. |
| Serving size as filed | 500 mg |
| Servings per container | 500 |
| Servings per day in the directions | 2 |
| Days per bottle | 250 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 23164 · label 2013-06-25; snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
What does "7% Daily Value" mean here, and does it recompute?
The label declares 7% Daily Value; 27 mg against the 420 mg reference in 21 CFR 101.9 recomputes to 6%, the same within one point.
computed| Group as filed | Declared | Reference | Recomputed |
|---|---|---|---|
| Adults and children 4 or more years of age | 7% | 420 mg | 6% |
Source · NIH DSLD 23164; 21 CFR 101.9 · label 2013-06-25 · 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?
PureBulk.com Magnesium Gluconate files 1 other ingredient, and no magnesium stearate, against 0 of 6 gluconate labels that list magnesium stearate.
measured| Entry | Filed ingredient or declaration |
|---|---|
| 1 | None |
| Target group | Adult (18 - 50 Years) |
| Target group | Gluten Free |
| Target group | Dairy Free |
| Target group | Sugar Free |
Source · NIH DSLD 23164 · label 2013-06-25; snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
What has research measured about gluconate, and about side effects?
2 studies in the PubMed-checked registry measured outcomes involving gluconate; none reports a gastrointestinal outcome as of 2026-11-02. They measured the salt, not this label.
measured| Year | Study | PubMed |
|---|---|---|
| 2005 | Study of magnesium bioavailability from ten organic and inorganic Mg salts in Mg-depleted rats using a stable isotope approach | 16548135 |
| 1992 | Blood and urinary magnesium kinetics after oral magnesium supplements. | 1468087 |
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?
PureBulk.com has 0 FDA recall records matched by brand name in the enforcement data queried 2026-10-19. PureBulk.com has no FDA CAERS adverse event report on record at brand level as of 2026-10-19 (143 of 273 brands in this registry have at least one CAERS report).
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 23164 · label 2013-06-25; 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 23164 · label 2013-06-25; 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 23164 (label 2013-06-25, snapshot 2026-08-10) and the chemistry model of 2026-09-13. 1 gap remain: No US retail price matched as of 2026-11-02; no barcode is filed. The CSV carries the values shown here.
measured| Field | As filed |
|---|---|
| NIH DSLD label | NIH DSLD 23164 |
| Label date | 2013-06-25 |
| Date entered into DSLD | 2013-06-25 |
| Barcode (UPC) as filed | Not filed as of 2026-11-02 |
| Manufacturer | PureBulk.com, Roseburg, OR, USA |
| Claim category as filed | All Other |
| Claim category as filed | Structure/Function |
| Storage | Storage: Keep dry, cool & dark |
9 additional rows
| Field | As filed |
|---|---|
| Formulation re: Does NOT Contain | Free of: Sugar, soy, dairy, yeast, gluten, corn and additives. |
| Suggested/Recommended/Usage/Directions | Directions: As a dietary supplement, take 500 mg (scant 1/4 tsp) twice daily with meals, or as directed by physician. |
| General Statements: All Other Content | US Standard Measuring Spoons Spoon Size (level) milligrams 1/8 teaspoon 327 1/4 teaspoon 654 1/2 teaspoon 1308 |
| Precautions re: Pregnant or Nursing or Prescription Medications | Warning: This product is not intended for use by those with a serious medical condition or pregnant or lactating women. |
| Precautions re: All Other | Consult your physician before use. |
| Precautions re: Children | Keep out of reach of children. |
| 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. |
| Physical state | Powder |
| Registry snapshot | 2026-08-10 |
Source · NIH DSLD 23164 · label 2013-06-25; 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.