Solgar magnesium supplements: 12 products in 4 forms, 20–420 mg of magnesium per serving

Estimated salt mass versus assumed capsule capacity

0 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. 1 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.

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 Solgar use, and how much compound does each need?

Solgar files 3 salts, most often citrate (5 of 12) across 12 labels; for 100 mg of magnesium the lightest of them needs 166 mg of compound against 1,335 mg for the heaviest.

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

How do Solgar's prices compare within each salt?

7 of 12 Solgar labels have 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.

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 Solgar?

The FDA enforcement data queried 2026-10-19 holds 2 recall records naming Solgar, 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.”

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 Solgar's labels, and what do they declare?

12 of 12 Solgar labels list magnesium stearate, 0 use a gelatin shell and 12 a cellulose shell; 7 distinct filed declarations appear across them. Listed ingredients are filed names, not quantities.

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

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

Solgar has 12 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.

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