Filed label facet · NIH DSLD snapshot 2026-08-10
Citric acid: 95 of 716 magnesium labels (13.3%)
95 of 716 on-market magnesium labels (13.3%) file citric acid in the NIH DSLD snapshot 2026-08-10; the largest group among them names no single magnesium salt (64 of 95). 1 of 2 of their capsule labels are above the assumed size 000 capacity at powder density 0.8 g/mL, against 8 of 137 across the registry. 7 have a matched US price as of 2026-11-02.
computed from filed labels
Chart data
| Displayed chart text |
|---|
| these labels |
| fits 1 of 2 |
| needs 000 0 of 2 |
| exceeds 1 of 2 |
| all audited |
| fits 82 of 137 |
| needs 000 47 of 137 |
| exceeds 8 of 137 |
Data 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.
Which magnesium salts do labels with citric acid use?
64 of 95 labels with citric acid resolve to no single salt, the most common group; 4 salt groups appear in total, against 15 defined salts in the chemistry model.
measured
Chart data
| Displayed chart text |
|---|
| unresolved |
| 64 |
| citrate |
| 16 |
| glycinate |
| 10 |
| oxide |
| 5 |
| Salt group | Labels |
|---|---|
| Single salt unresolved as of 2026-10-17 | 64 of 95 |
| Magnesium citrate | 16 of 95 |
| Magnesium glycinate | 10 of 95 |
| Magnesium oxide | 5 of 95 |
Source · NIH DSLD labels · snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
Do the capsule labels with citric acid fit their declared salt?
1 of 2 audited capsule labels with citric acid are above the assumed size 000 capacity at powder density 0.8 g/mL, against 8 of 137 across the registry, at powder density 0.8 g/mL, the top of the usual 0.6–0.8 range and the most favourable hydration.
computed with assumption| Verdict | These labels | All audited capsule labels |
|---|---|---|
| Fits size 0 or 00 | 1 of 2 | 82 of 137 |
| Needs size 000 | 0 of 2 | 47 of 137 |
| Exceeds size 000 | 1 of 2 | 8 of 137 |
Source · NIH DSLD labels; mass balance · recognized salt only; snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
What do labels with citric acid cost per 100 mg of elemental magnesium, within each salt?
7 of 95 labels with citric acid have a matched US price as of 2026-11-02; each is shown against the median of its own salt, per 100 mg of declared elemental magnesium.
computed| Label | Salt | Per 100 mg | Same-salt median |
|---|---|---|---|
| GNC Magnesium Powder Lemon | citrate | $0.1279 | $0.1159 |
| Healthy Origins Magnesium Bisglycinate Chelate | glycinate | $0.1666 | $0.1889 |
| Lifeable Magnesium Citrate Fruit Flavor | citrate | $0.2665 | $0.1159 |
| Natural Factors Magnesium Bisglycinate 200 mg | glycinate | $0.1397 | $0.1889 |
| Nature Made Magnesium Glycinate 200 mg | glycinate | $0.1950 | $0.1889 |
| Trace Minerals Research Stress-X Magnesium Powder Lemon Lime | malate | $0.1272 | $0.1052 |
| Trace Minerals Research Stress-X Magnesium Powder Lemon Lime | malate | $0.1272 | $0.1052 |
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
Which labels file citric acid?
95 on-market labels in the NIH DSLD snapshot 2026-08-10 file citric acid, across 6 physical states; each row opens the label's own arithmetic.
measured| Label | Brand | Declared per serving | Physical state |
|---|---|---|---|
| Bairn Biologics Magnesium Plus Raspberry Lemonade Flavor | Bairn Biologics | 300 mg | Powder |
| Bluebonnet Liquid Magnesium Citrate Mixed Berry Flavor | Bluebonnet | 420 mg | Liquid |
| Bluebonnet Liquid Magnesium Citrate Mixed Berry Flavor | Bluebonnet | 420 mg | Liquid |
| Brain Forza Liquid Calcium+ Magnesium Orange Creamsicle | Brain Forza | 250 mg | Liquid |
| Carlson Magnesium Soft Chews 125 mg Natural Berries & Creme Flavor | Carlson | 125 mg | Other (e.g. tea bag) |
| Chapter One M is for Magnesium Raspberry | Chapter One | 100 mg | Gummy or Jelly |
| Chapter One by Zahler M is for Magnesium Apple | Chapter One by Zahler | 100 mg | Gummy or Jelly |
| Chapter One by Zahler M is for Magnesium Peach | Chapter One by Zahler | 100 mg | Gummy or Jelly |
87 additional rows
Source · NIH DSLD labels · snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
What else is filed alongside citric acid?
water is the most frequent companion, on 29 of 95 labels with citric acid; the table lists the 8 most frequent published ingredient facets on the same labels.
measured
Chart data
| Displayed chart text |
|---|
| water |
| 29 |
| natural flavors |
| 26 |
| magnesium stearate |
| 17 |
| silicon dioxide |
| xylitol |
| 16 |
| stevia leaf extract |
| 14 |
| sugar |
| xanthan gum |
| Also filed | Labels |
|---|---|
| water | 29 of 95 |
| natural flavors | 26 of 95 |
| magnesium stearate | 17 of 95 |
| silicon dioxide | 17 of 95 |
| xylitol | 16 of 95 |
| stevia leaf extract | 14 of 95 |
| sugar | 14 of 95 |
| xanthan gum | 14 of 95 |
Source · NIH DSLD labels · snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
How is "citric acid" counted, and which filed spellings feed it?
Each NIH DSLD label enters once, whatever its spelling; case and repeated spaces are normalized and known synonyms merged, using the snapshot 2026-08-10 and normalization dated 2026-10-17.
measured| Filed spelling |
|---|
| Citric Acid |
Source · NIH DSLD labels · 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.