Brand · NIH DSLD snapshot 2026-08-10

Swolverine magnesium supplements: 1 product, 200 mg of magnesium per serving

1 Swolverine magnesium product in 1 form, led by glycinate (1); median 200 mg of magnesium per serving. Inside: each product's mg and price.

Swolverine files one on-market magnesium label in NIH DSLD, Swolverine Magnesium Bisglycinate, declaring 200 mg of elemental magnesium per serving as glycinate; its capsule verdict: exceeds size 000, against 8 of 137 registry capsule labels above size 000. Snapshot 2026-08-10.

computed from filed labels
On-market labels1NIH DSLD snapshot 2026-08-10
Salts filed1most often glycinate
Exceeds size 0001 of 1registry: 8 of 137
Matched US price0 of 10 ranked · 2026-11-02
stacked bar · swolverine · capsule verdicts 1 of 1 exceed size 000 vs registry 8 of 137 · snapshot 2026-08-10
Capsule verdicts for Swolverine against all audited capsule labels.
Chart data
Chart labels and values for the main chart
Displayed chart text
Swolverine
fits 0 of 1
needs 000 0 of 1
exceeds 1 of 1
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.

Estimated salt mass versus assumed capsule capacity

1 of 1 audited capsule label are above the assumed size 000 capacity at powder density 0.8 g/mL, against 8 of 137 across the registry. 0 fit size 0 or 00 and 0 need size 000, 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
Capsule verdicts, Swolverine against the registry
VerdictSwolverineAll audited capsule labels
Fits size 0 or 000 of 182 of 137
Needs size 0000 of 147 of 137
Exceeds size 0001 of 18 of 137

Registry label audit

Source · NIH DSLD labels; mass balance · recognized salt only; snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method

Which magnesium salts does Swolverine use, and how much compound does each need?

Swolverine files one salt, glycinate across 1 label; for 100 mg of magnesium the lightest of them needs 709 mg of compound against 845 mg for the heaviest.

computed
Salts filed by Swolverine
SaltLabelsElemental fractionCompound per 100 mg Mg
glycinate111.8–14.1%709–845 mg

Source · NIH DSLD labels · snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method

How do Swolverine's prices compare within each salt?

No Swolverine label has a matched US retail price in our price collection as of 2026-11-02, against 1 label on file.

computed
Swolverine prices per 100 mg against the median of the same salt
LabelSaltPer 100 mgSame-salt medianObserved
No matched price as of 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 Swolverine?

The FDA enforcement data queried 2026-10-19 holds 0 recall records naming Swolverine, 0 of them about a magnesium product. CAERS holds no report naming the brand as of 2026-10-19, against 143 of 273 brands here that have any.

measured
FDA recall records naming Swolverine
RecallDateReasonStatus
No record as of 2026-10-19

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 Swolverine's labels, and what do they declare?

1 of 1 Swolverine labels list magnesium stearate, 0 use a gelatin shell and 1 a cellulose shell; 3 distinct filed declarations appear across them. Listed ingredients are filed names, not quantities.

measured
Most frequent filed ingredients and declarations for Swolverine
Filed entryLabels
hypromellose1 of 1
magnesium stearate1 of 1
silicon dioxide1 of 1
Vegetarian1 of 1
Adult (18 - 50 Years)1 of 1
Gluten Free1 of 1

Source · NIH DSLD labels · snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method

Which Swolverine labels are on file, and what does each declare?

Swolverine has 1 on-market label in the NIH DSLD snapshot 2026-08-10, with a median declared amount of 200 mg of elemental magnesium per serving; each row opens the label's own arithmetic.

measured
Swolverine labels on file
LabelDeclared per servingSaltCapsule verdict
Swolverine Magnesium Bisglycinate200 mgglycinateexceeds all

Source · NIH DSLD labels · snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method