Product comparison
Life Extension Magnesium vs NOW Foods Magnesium Capsules
30 servings
Total
Choose if…
- ✓You want the higher conservative safety lane score.
NOW Foods Magnesium Capsules leads overall
Thin race: only 2 points between totals
30 servings
Total
Choose if…
- ✓You prioritize disclosure, certs, and readable label story.
- ✓You want the higher combined total with the same weights as single-SKU pages.
Purchasing
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Check prices
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Choose Life Extension Magnesium if…
- you still want to verify the latest label, price, and stock on the retailer.
Choose NOW Foods Magnesium Capsules if…
- you want the higher overall decision score in this head-to-head.
Price and availability may change. Check the latest price on Amazon.
Price and availability may change. Check the latest price on Amazon.
Not sure this is the best choice?
Split decision - tradeoffs
Close call- NOW Foods Magnesium Capsules leads on transparency (Δ ≈ 20 pts).
Decision table
- ValueTie band
- FormulaTie band
- Label clarityTie band
- AdditivesTie band
- TransparencyNOW Foods Magnesium Capsules +20
| Metric | Life Extension Magnesium | NOW Foods Magnesium Capsules |
|---|---|---|
| Total score | 70 | 72 |
| Ingredient fit | 86 | 82 |
| Dosage plausibility | 67 | 67 |
| Formula quality | 60 | 60 |
| Additives & label (combined lane) | 72 | 72 |
| Excipient / additive burden | 72 | 72 |
| Label clarity | 72 | 72 |
| Transparency | 54 | 74 |
| Value | 60 | 60 |
| Safety | 86 | 82 |
| Form | other | other |
| Serving size | 1 serving | 1 serving |
| Servings / container | 30 | 30 |
| Certifications | - | - |
| Latest price on file | - | - |
Head-to-head verdict
Razor-thin margin - NOW Foods Magnesium Capsules edges it; both are defensible.
Following the winner captures about +2 points on our total in this matchup.
Data confidence (catalog)
Category-adjusted decision
Rubric lift if you switch
- +20 on transparency
Where Life Extension Magnesium leads
- Life Extension Magnesium leads on ingredient fit (Δ ≈ 4 pts).
- Life Extension Magnesium leads on safety (Δ ≈ 4 pts).
Where NOW Foods Magnesium Capsules leads
- NOW Foods Magnesium Capsules leads on transparency (Δ ≈ 20 pts).
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Best in this category
See how every tracked Magnesium SKU ranks - overall, value, transparency, and certifications.
Open best Magnesium rankingsIngredient intelligence
How this compare works
We diff the same product lanes used on SKU pages - including additive burden and label clarity - with tie bands so tiny gaps are not oversold. Open each product review for certifications, price history, and full notes.
Informational only - not medical advice, diagnosis, or treatment.