Brand · NIH DSLD snapshot 2026-08-10
Life Extension magnesium supplements: 6 products in 2 forms, 100–500 mg of magnesium per serving
6 Life Extension magnesium products in 2 forms, led by citrate (2); median 250 mg of magnesium per serving. Inside: each product's mg and price.
Life Extension files 6 on-market magnesium labels in NIH DSLD using one salt, citrate; 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. Median declared amount 250 mg per serving; 0 of 6 labels have a matched US price as of 2026-11-02. Snapshot 2026-08-10.
computed from filed labels
Chart data
| Displayed chart text |
|---|
| Life Extension |
| fits 1 of 1 |
| needs 000 0 of 1 |
| exceeds 0 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
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.
computed with assumption| Verdict | Life Extension | All audited capsule labels |
|---|---|---|
| Fits size 0 or 00 | 1 of 1 | 82 of 137 |
| Needs size 000 | 0 of 1 | 47 of 137 |
| Exceeds size 000 | 0 of 1 | 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 Life Extension use, and how much compound does each need?
Life Extension files one salt, citrate across 6 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 | 1 | 11.3–16.2% | 619–885 mg |
Source · NIH DSLD labels · snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
How do Life Extension's prices compare within each salt?
No Life Extension label has a matched US retail price in our price collection as of 2026-11-02, against 6 labels on file.
computed| Label | Salt | Per 100 mg | Same-salt median | Observed |
|---|---|---|---|---|
| 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 Life Extension?
The FDA enforcement data queried 2026-10-19 holds 0 recall records naming Life Extension, 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 |
|---|---|---|---|
| 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 Life Extension's labels, and what do they declare?
0 of 6 Life Extension labels list magnesium stearate, 0 use a gelatin shell and 6 a cellulose shell; 2 distinct filed declarations appear across them. Listed ingredients are filed names, not quantities.
measured| Filed entry | Labels |
|---|---|
| cellulose | 6 of 6 |
| microcrystalline cellulose | 5 of 6 |
| silicon dioxide | 5 of 6 |
| medium chain triglycerides | 4 of 6 |
| hypromellose | 3 of 6 |
| stearic acid | 3 of 6 |
| Adult (18 - 50 Years) | 6 of 6 |
| Gluten Free | 5 of 6 |
Source · NIH DSLD labels · snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
Which Life Extension labels are on file, and what does each declare?
Life Extension has 6 on-market labels in the NIH DSLD snapshot 2026-08-10, with a median declared amount of 250 mg of elemental magnesium per serving; each row opens the label's own arithmetic.
measured| Label | Declared per serving | Salt | Capsule verdict |
|---|---|---|---|
| Life Extension Extend-Release Magnesium | 250 mg | not resolved | not computable |
| Life Extension Extend-Release Magnesium | 250 mg | not resolved | not computable |
| Life Extension Magnesium (Citrate) 100 mg | 100 mg | citrate | needs 00 |
| Life Extension Magnesium Caps 500 mg | 500 mg | not resolved | not computable |
| Life Extension Potassium with Extend-Release Magnesium | 250 mg | not resolved | not computable |
| Life Extension Potassium with Extend-Release Magnesium | 250 mg | not resolved | not computable |
Source · NIH DSLD labels · snapshot 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method