Product comparison
Life Extension Magnesium Capsules vs NOW Foods Magnesium Glycinate Capsules
30 servings · Non-GMO
Total
Choose if…
- Either option is acceptable - use the table above for the lane you care about.
NOW Foods Magnesium Glycinate Capsules leads overall
Thin race: only 2 points between totals
400 mg · 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 Capsules if…
- you still want to verify the latest label, price, and stock on the retailer.
Choose NOW Foods Magnesium Glycinate Capsules if…
- you want the higher overall decision score in this head-to-head.
Solid pick
Life Extension Magnesium CapsulesPrice on file is stale or unverified—confirm on the retailer.
Price and availability may change. Check the latest price on Amazon.
Winner
NOW Foods Magnesium Glycinate CapsulesPrice on file is stale or unverified—confirm on the retailer.
Price and availability may change. Check the latest price on Amazon.
Split decision - tradeoffs
Close call- NOW Foods Magnesium Glycinate Capsules leads on transparency (Δ ≈ 20 pts).
Decision table
- ValueTie band
- FormulaTie band
- Label clarityTie band
- AdditivesTie band
- TransparencyNOW Foods Magnesium Glycinate Capsules +20
| Metric | Life Extension Magnesium Capsules | NOW Foods Magnesium Glycinate Capsules |
|---|---|---|
| Total score | 69 | 71 |
| Ingredient fit | 82 | 77 |
| 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 | 82 | 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 Glycinate 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 Capsules leads
- Life Extension Magnesium Capsules leads on ingredient fit (Δ ≈ 5 pts).
Where NOW Foods Magnesium Glycinate Capsules leads
- NOW Foods Magnesium Glycinate Capsules leads on transparency (Δ ≈ 20 pts).
Compare next
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- NOW Foods Magnesium Glycinate Softgels vs NOW Foods Magnesium Glycinate Capsules
- Life Extension Magnesium vs Life Extension Magnesium Capsules
- Life Extension Magnesium vs NOW Foods Magnesium Glycinate Capsules
Ingredient 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.