Label arithmetic · NIH DSLD 219453
Solgar Magnesium Citrate: 210 mg of magnesium per tablet, 2 tablets a day, $7.65 a month
210 mg of magnesium per tablet; the label's 2 tablets a day cost $7.65 a month (Amazon, Nov 2). Inside: salt weight, %DV check, price rank.
Solgar Magnesium Citrate was observed at $15.29 on 2026-11-02 for 60 servings of 420 mg elemental magnesium as citrate: $0.0607 per 100 mg, rank 2 of 12 ranked citrate offers (1 = lowest price per 100 mg), percentile 17 (lower = lower price) (median $0.1159, ranked prices observed 2026-10-26 to 2026-11-02). NIH DSLD 219453, label dated 2020-05-22.
computed from the filed label
Chart data
| Displayed chart text |
|---|
| gluconate |
| 7,167 |
| orotate |
| 5,777 |
| L-threonate |
| 5,091 |
| taurate |
| 4,709 |
| lactate |
| 3,497 |
| glycerophosphate |
| 3,360 |
| glycinate |
| 2,979 |
| malate |
| 2,703 |
| aspartate |
| 2,685 |
| citrate |
| 2,599 |
| sulfate |
| 2,080 |
| chloride |
| 1,645 |
| carbonate |
| 1,457 |
| hydroxide |
| 1,008 |
| oxide |
| 696 |
Data release 2026-08-10-f441aa9f · registry snapshot 2026-08-10 · latest price observation 2026-11-02 · chemistry 2026-10-17
Mass: 1,300–1,858 mg per tablet · Price: $0.0607 per 100 mg · % DV: 100% vs 100%
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 citrate is pressed into one tablet?
Solgar Magnesium Citrate carries 2,599–3,717 mg of magnesium citrate per serving for 420 mg of elemental magnesium, against 1,100 mg in the largest standard capsule; capsule capacities do not apply to this tablet or pill.
computed with assumption| Measure | Value |
|---|---|
| Elemental magnesium per serving | 420 mg |
| Units per serving | 2 |
| Magnesium citrate per serving | 2,599–3,717 mg |
| Magnesium citrate per tablet | 1,300–1,858 mg |
| Capsule capacity 0 · 00 · 000 | 545 · 730 · 1,100 mg |
| Verdict | Capsule sizes do not apply |
The filed salt can have more than one hydration state (trimagnesium dicitrate 16.2%; dibasic and hydrated forms as low as 11.3%), so the compound mass is a range.
Source · NIH DSLD 219453 · label 2020-05-22; snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
How much elemental magnesium is actually in this label's filed magnesium lines?
Solgar Magnesium Citrate files 1 magnesium line in NIH DSLD 219453; the selected primary line declares 420 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 |
|---|---|---|
| 420 mg | citrate · Magnesium (Form: as Magnesium Citrate) | Primary serving |
Source · NIH DSLD 219453 · label 2020-05-22; snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
Does this label's citrate claim hold up, or could the magnesium come from another source?
The label names one magnesium form, citrate, 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 citrate | 11.3–16.2% | filed magnesium line |
Source · NIH DSLD 219453 · label 2020-05-22; snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
Is this a good price for the elemental magnesium I'm actually getting?
Solgar Magnesium Citrate costs $0.0607 per 100 mg of elemental magnesium at the price observed 2026-11-02, rank 2 of 12 ranked citrate offers (1 = lowest price per 100 mg), percentile 17 (lower = lower price), against a same-salt median of $0.1159; prices observed 2026-10-26 to 2026-11-02. First observed 2026-08-21 at $13.90, latest 2026-11-02 at $15.29, 10 observations.
computed
Chart data
| Displayed chart text |
|---|
| n=12 |
| P25 $0.0843 |
| P75 $0.1469 |
| median $0.1159 |
| Rank | Label | Per 100 mg | Observed |
|---|---|---|---|
| 1 | Best Naturals Magnesium Citrate 200 mg | $0.0344 | 2026-11-02 |
| 2 | Solgar Magnesium Citrate | $0.0607 | 2026-11-02 |
| 3 | LES Labs Magnesium Citrate | $0.0777 | 2026-11-02 |
| 4 | Bluebonnet Magnesium Citrate | $0.0865 | 2026-11-02 |
| 5 | Solaray Magnesium Citrate 400 mg | $0.0868 | 2026-11-02 |
| Median | 12 ranked citrate offers | $0.1159 | 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, Solgar Magnesium Citrate lasts 30 days: 30 servings against 1 serving a day in the filed directions. $7.65 a month at the label's suggested use (2 tablets a day) and $7.65 at the 420 mg Daily Value reference (21 CFR 101.9); arithmetic on the label, not intake advice.
computed| Measure | Value |
|---|---|
| Net contents as filed | 60 Tablet(s) |
| Serving size as filed | 2 Tablet(s) |
| Servings per container | 30 |
| Servings per day in the directions | 1 |
| Days per bottle | 30 days |
| Cost a month at the label suggested use | $7.65 a month at the label's suggested use (2 tablets a day) |
| $ per 30 days at 420 mg Daily Value | $7.65 |
Source · NIH DSLD 219453 · label 2020-05-22; snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
What does "100% Daily Value" mean here, and does it recompute?
The label declares 100% Daily Value; 420 mg against the 420 mg reference in 21 CFR 101.9 recomputes to 100%, the same within one point.
computed| Group as filed | Declared | Reference | Recomputed |
|---|---|---|---|
| Adults and children 4 or more years of age | 100% | 420 mg | 100% |
Source · NIH DSLD 219453; 21 CFR 101.9 · label 2020-05-22 · release 2026-08-10-f441aa9f · CSV · method
Why does this label contain magnesium stearate, what shell is it, and who is it filed for?
Solgar Magnesium Citrate files 7 other ingredients, including magnesium stearate (reference fraction 4.1% magnesium; no quantity filed, so it is not added to the total) and a vegetarian shell, against 43 of 135 citrate labels that list magnesium stearate.
measured| Entry | Filed ingredient or declaration |
|---|---|
| 1 | Vegetable Cellulose |
| 2 | Microcrystalline Cellulose |
| 3 | Vegetable Magnesium Stearate |
| 4 | Dicalcium Phosphate |
| 5 | Silica |
| 6 | Titanium Dioxide color |
| 7 | Vegetable Glycerin |
| Shell | vegetarian |
7 additional rows
| Entry | Filed ingredient or declaration |
|---|---|
| Target group | Vegan |
| Target group | Vegetarian |
| Target group | Adult (18 - 50 Years) |
| Target group | Kosher |
| Target group | Gluten Free |
| Target group | Dairy Free |
| Target group | Sugar Free |
Source · NIH DSLD 219453 · label 2020-05-22; snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
What has research measured about citrate, and about side effects?
10 studies in the PubMed-checked registry measured outcomes involving citrate; 1 mention gastrointestinal or adverse outcomes. They measured the salt, not this label.
measured| Year | Study | PubMed |
|---|---|---|
| 2025 | Comparing the Bioavailability of Two Seawater-Derived Magnesium Preparations. | 40955524 |
| 2024 | Comparative Clinical Study on Magnesium Absorption and Side Effects After Oral Intake of Microencapsulated Magnesium (MAGSHAPE™ Microcapsules) Versus Other Magnesium Sources. | 39770988 |
| 2022 | Effects of short-term magnesium supplementation on ionized, total magnesium and other relevant electrolytes levels. | 35041150 |
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?
Solgar has 2 FDA recall records matched by brand name in the enforcement data queried 2026-10-19. Solgar 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 |
|---|---|---|---|
| F-0710-2015 | 2014-12-24 | NBTY has recalled ABC Dophlius Powder due to the presense of Rhizopus oryzae fungi. | Terminated |
| F-0803-2024 | 2024-02-07 | Nestle Health Science has initiated a recall of Solgar Glucosamine Chondroitin, 120 Tablets, in Glass bottle, 12 bottles per case because of error during packaging in which a A Megasorb B-Complex product was filled into bottles labeled as Glucosamine_Chondroitin MSM. | Terminated |
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?
Same filed formulation as 4 other labels of this brand; no other brand files it as of 2026-11-02.
computed| Label | Brand | Price per 100 mg |
|---|---|---|
| No cross-brand match as of 2026-11-02 |
Source · NIH DSLD 219453 · label 2020-05-22; snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
Which labels are closest to this one, with the same salt and dose?
6 labels use the same resolved citrate within ±10% of this label's 210 mg per unit, compared side by side on price and capsule verdict.
computed| Label | Elemental per unit | Price | Verdict |
|---|---|---|---|
| Solgar Magnesium Citrate (DSLD 219466) | 210 mg | $15.29 · 2026-11-02 | Capsule sizes do not apply |
| Solgar Magnesium Citrate (DSLD 241135) | 210 mg | $15.29 · 2026-11-02 | Capsule sizes do not apply |
| Solgar Magnesium Citrate (DSLD 241141) | 210 mg | No price | Capsule sizes do not apply |
| Solgar Magnesium Citrate (DSLD 241142) | 210 mg | No price | Capsule sizes do not apply |
| Nutricost Magnesium Citrate 420 mg | 210 mg | No price | Exceeds size 000 |
| Vitabase Magnesium Citrate 200 mg | 200 mg | No price | Capsule sizes do not apply |
Source · NIH DSLD 219453 · label 2020-05-22; 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 219453 (label 2020-05-22, snapshot 2026-08-10), a price observed 2026-11-02 and the chemistry model of 2026-09-13. No data gap remains for the computed fields. The CSV carries the values shown here.
measured| Field | As filed |
|---|---|
| NIH DSLD label | NIH DSLD 219453 |
| Label date | 2020-05-22 |
| Date entered into DSLD | 2020-05-22 |
| Barcode (UPC) as filed | 0 33984 59204 9 |
| Label version · Image difference, same product | NIH DSLD 64184 |
| Label version · Package size difference, same product | NIH DSLD 64184 |
| Label version · Package size difference, same product | NIH DSLD 64180 |
| Label version · Package size difference, same product | NIH DSLD 219466 |
26 additional rows
| Field | As filed |
|---|---|
| Carefully Manufactured by | Solgar, Inc., Leonia, NJ, U.S.A. |
| Claim category as filed | Nutrient |
| Claim category as filed | All Other |
| Claim category as filed | Structure/Function |
| Formula re: Contains | Magnesium helps to regulate calcium transport and absorption. By stimulating the secretion of calcitonin, it aids the influx of calcium into bone and promotes optimal bone mineralization. Along with ATP, magnesium supports cellular energy metabolism. It also supports nerve and muscle function. This formulation provides magnesium citrate, a highly absorbable form of this important mineral. |
| Precautions re: All Other | Warning: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm. |
| Brand IP Statement(s) re: (c), (TM), (SM) | 2020 Solgar, Inc. |
| General Statements: All Other Content | Solgar since 1947 |
| Formulation re: Other | Highly absorbable Promotes healthy bones Supports nerve & muscle function |
| Formulation re: Does NOT Contain | Non-GMO Gluten, wheat & dairy free |
| Formulation re: Vegetarian/Vegan | Suitable for vegans |
| Seals/Symbols | GF Certified Gluten-free K Parve (Kosher) |
| FDA Statement of Identity | Dietary Supplement |
| General Statements: All Other Content | DV = Daily Value |
| Formulation re: Does NOT Contain | Free of: Gluten, wheat, dairy, soy, yeast, sugar, sodium, artificial flavor and sweetener. |
| Suggested/Recommended/Usage/Directions | Suggested Use: As a dietary supplement for adults, take two (2) tablets daily, preferably with a meal or as directed by a healthcare practitioner. |
| Precautions re: Pregnant or Nursing or Prescription Medications | If you are pregnant, nursing, taking any medications or have any medical condition, please consult your healthcare practitioner before taking any dietary supplement. |
| Precautions re: All Other | Discontinue use and consult your healthcare practitioner if any adverse reactions occur. |
| Precautions re: Children | Keep out of reach of children. |
| Precautions re: All Other | Do not use if outer bottle seal is missing or damaged. |
| Storage | Store at room temperature. |
| Precautions re: All Other | Do not use if outer bottle seal is missing or damaged. |
| Formula re: Kosher | Solgar’s KOF-K certification #K-1250 |
| 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 | Tablet or Pill |
| Registry snapshot | 2026-08-10 |
Source · NIH DSLD 219453 · label 2020-05-22; 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.