Product comparison
SlowMag Muscle + Magnesium vs Sports Research Magnesium
SlowMag Muscle +·Sports Research

30 servings
Total
Choose if…
- Either option is acceptable - use the table above for the lane you care about.
No leader on total score

2000 mg · 30 servings
Total
Choose if…
- Either option is acceptable - use the table above for the lane you care about.
Purchasing
Some links are affiliate links. As an Amazon Associate we earn from qualifying purchases. Editorial rankings and product scores stay independent of affiliate relationships; we do not let commissions change verdicts.
Buy links may earn a commission; scores stay independent.
Check prices
Some links are affiliate links. As an Amazon Associate I earn from qualifying purchases.
Choose SlowMag Muscle + Magnesium if…
- you still want to verify the latest label, price, and stock on the retailer.
Choose Sports Research Magnesium if…
- you still want to verify the latest label, price, and stock on the retailer.

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?
Too close to call overall
Close callDifferences under a few points are treated as practical ties on that lane. This is editorial synthesis, not lab testing.
Decision table
- ValueTie band
- FormulaTie band
- Label clarityTie band
- AdditivesTie band
- TransparencyTie band
| Metric | SlowMag Muscle + Magnesium | Sports Research Magnesium |
|---|---|---|
| Total score | 69 | 69 |
| Ingredient fit | 82 | 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 | 54 |
| 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
Dead heat - pick by the lane you care about: value, label clarity, or formula.
Data confidence (catalog)
Category-adjusted decision
Where SlowMag Muscle + Magnesium leads
- No decisive lane wins versus the other SKU in our tie bands.
Where Sports Research Magnesium leads
- No decisive lane wins versus the other SKU in our tie bands.
Compare next
- Solgar Magnesium vs SlowMag Muscle + Magnesium
- Solgar Magnesium vs Sports Research Magnesium
- NOW Foods Magnesium vs SlowMag Muscle + Magnesium
- NOW Foods Magnesium vs Sports Research Magnesium
- Sports Research® Gym Magnesium Capsules vs SlowMag Muscle + Magnesium
- Sports Research® Gym Magnesium Capsules vs Sports Research Magnesium
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.