Product comparison
Life Extension Magnesium Capsules vs Sports Research® Gym Magnesium Capsules
Life Extension·Sports Research® Gym
30 servings · Non-GMO
Total
Choose if…
- Either option is acceptable - use the table above for the lane you care about.
Sports Research® Gym Magnesium Capsules leads overall
Thin race: only 5 points between totals
2000 mg · 30 servings
Total
Choose if…
- ✓You care about salt/form heuristics encoded in our rubric.
- ✓You want the higher conservative safety lane score.
Purchasing
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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 Sports Research® Gym Magnesium 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
Sports Research® Gym Magnesium 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- Sports Research® Gym Magnesium Capsules leads on formula (Δ ≈ 18 pts).
- Sports Research® Gym Magnesium Capsules leads on ingredient fit (Δ ≈ 12 pts).
- Sports Research® Gym Magnesium Capsules leads on safety (Δ ≈ 6 pts).
Decision table
- ValueTie band
- FormulaSports Research® Gym Magnesium Capsules +18
- Label clarityTie band
- AdditivesTie band
- TransparencyTie band
| Metric | Life Extension Magnesium Capsules | Sports Research® Gym Magnesium Capsules |
|---|---|---|
| Total score | 69 | 74 |
| Ingredient fit | 82 | 94 |
| Dosage plausibility | 67 | 67 |
| Formula quality | 60 | 78 |
| Additives & label (combined lane) | 72 | 72 |
| Excipient / additive burden | 72 | 72 |
| Label clarity | 72 | 72 |
| Transparency | 54 | 54 |
| Value | 60 | 60 |
| Safety | 82 | 88 |
| Form | other | powder |
| Serving size | 1 serving | 1 serving |
| Servings / container | 30 | 30 |
| Certifications | - | - |
| Latest price on file | - | - |
Head-to-head verdict
Razor-thin margin - Sports Research® Gym Magnesium Capsules edges it; both are defensible.
Following the winner captures about +5 points on our total in this matchup.
Data confidence (catalog)
Category-adjusted decision
Rubric lift if you switch
- +18 on formula
- +12 on ingredient fit
- +6 on safety
Where Life Extension Magnesium Capsules leads
- No decisive lane wins versus the other SKU in our tie bands.
Where Sports Research® Gym Magnesium Capsules leads
- Sports Research® Gym Magnesium Capsules leads on formula (Δ ≈ 18 pts).
- Sports Research® Gym Magnesium Capsules leads on ingredient fit (Δ ≈ 12 pts).
- Sports Research® Gym Magnesium Capsules leads on safety (Δ ≈ 6 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.