Brand · NIH DSLD snapshot 2026-08-10
Best Naturals magnesium supplements: 3 products, 210–425 mg of magnesium per serving
3 Best Naturals magnesium products in 1 form, led by citrate (2); median 400 mg of magnesium per serving. Inside: each product's mg and price.
Best Naturals files 3 on-market magnesium labels in NIH DSLD using one salt, citrate; no capsule label names one salt and one amount that can be checked against capsule sizes. Median declared amount 400 mg per serving; 1 of 3 labels has a matched US price as of 2026-11-02. Snapshot 2026-08-10.
computed from filed labelsData 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.
Estimated salt mass versus assumed capsule capacity
No Best Naturals capsule label has a single resolved salt and one declared amount as of 2026-08-10, so no capsule verdict is counted.
computed with assumption| Verdict | Best Naturals | All audited capsule labels |
|---|---|---|
| Fits size 0 or 00 | no audited capsule label | 82 of 137 |
| Needs size 000 | no audited capsule label | 47 of 137 |
| Exceeds size 000 | no audited capsule label | 8 of 137 |
Source · NIH DSLD labels; mass balance · recognized salt only; snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
Which magnesium salts does Best Naturals use, and how much compound does each need?
Best Naturals files one salt, citrate across 3 labels; for 100 mg of magnesium the lightest of them needs 619 mg of compound against 885 mg for the heaviest.
computed| Salt | Labels | Elemental fraction | Compound per 100 mg Mg |
|---|---|---|---|
| citrate | 2 | 11.3–16.2% | 619–885 mg |
Source · NIH DSLD labels · snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
How do Best Naturals' prices compare within each salt?
1 of 3 Best Naturals labels has a matched US price as of 2026-11-02; each is compared with the median of its own salt, never across salts, per 100 mg of declared elemental magnesium.
computed| Label | Salt | Per 100 mg | Same-salt median | Observed |
|---|---|---|---|---|
| Best Naturals Magnesium Citrate 200 mg | citrate | $0.0344 | $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
Does the FDA hold recall or adverse event records naming Best Naturals?
The FDA enforcement data queried 2026-10-19 holds 1 recall record naming Best Naturals, 0 of them about a magnesium product. CAERS holds adverse event reports naming the brand, as it does for 143 of 273 brands here; 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-0080-2023 | 2022-10-26 | Best Nutritionals LLC 120 Centennial Ave, Piscataway NJ 08854, is initiating a recall of Fenugreek 610 mg , 360 Capsules ,in White Plastic HDPE bottles because the product has the potential to be contaminated with Salmonella. | Terminated |
FDA record register and matching method
Source · openFDA enforcement and CAERS · queried 2026-10-19 · release 2026-08-10-f441aa9f · CSV · method
What else goes into Best Naturals' labels, and what do they declare?
2 of 3 Best Naturals labels list magnesium stearate, 0 use a gelatin shell and 2 a cellulose shell; 4 distinct filed declarations appear across them. Listed ingredients are filed names, not quantities.
measured| Filed entry | Labels |
|---|---|
| magnesium stearate | 2 of 3 |
| silicon dioxide | 2 of 3 |
| cellulose | 1 of 3 |
| croscarmellose sodium | 1 of 3 |
| microcrystalline cellulose | 1 of 3 |
| rice flour | 1 of 3 |
| stearic acid | 1 of 3 |
| Adult (18 - 50 Years) | 3 of 3 |
3 additional rows
| Filed entry | Labels |
|---|---|
| Gluten Free | 3 of 3 |
| Sugar Free | 3 of 3 |
| Dairy Free | 2 of 3 |
Source · NIH DSLD labels · snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
Which Best Naturals labels are on file, and what does each declare?
Best Naturals has 3 on-market labels in the NIH DSLD snapshot 2026-08-10, with a median declared amount of 400 mg of elemental magnesium per serving; each row opens the label's own arithmetic.
measured| Label | Declared per serving | Salt | Capsule verdict |
|---|---|---|---|
| Best Naturals Magnesium 425 mg | 425 mg | not resolved | not computable |
| Best Naturals Magnesium Citrate 200 mg | 400 mg | citrate | not applicable |
| Best Naturals Magnesium Citrate Pure Powder | 210 mg | citrate | not applicable |
Source · NIH DSLD labels · snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method