Product comparison
BulkSupplements L-Threonine Powder -Threonine Supplement, Amino Acid Supplem vs NOW Foods Magnesium Glycinate

500 mg · 30 servings · Gluten Free
Total
Choose if…
- Either option is acceptable - use the table above for the lane you care about.
NOW Foods Magnesium Glycinate leads overall
Thin race: only 2 points between totals

200 mg · 250 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 BulkSupplements L-Threonine Powder -Threonine Supplement, Amino Acid Supplem if…
- you still want to verify the latest label, price, and stock on the retailer.
Choose NOW Foods Magnesium Glycinate if…
- you want the higher overall decision score in this head-to-head.
- you want more servings per container at a similar use pattern.

Solid pick
BulkSupplements L-Threonine Powder -Threonine Supplement, Amino Acid SupplemPrice on file is stale or unverified—confirm 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.
Split decision - tradeoffs
Close call- NOW Foods Magnesium Glycinate leads on transparency (Δ ≈ 20 pts).
Decision table
- ValueTie band
- FormulaTie band
- Label clarityTie band
- AdditivesTie band
- TransparencyNOW Foods Magnesium Glycinate +20
| Metric | BulkSupplements L-Threonine Powder -Threonine Supplement, Amino Acid Supplem | NOW Foods Magnesium Glycinate |
|---|---|---|
| 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 | powder | other |
| Serving size | 500g | 1 serving |
| Servings / container | 30 | 250 |
| Certifications | - | - |
| Latest price on file | - | - |
Head-to-head verdict
Razor-thin margin - NOW Foods Magnesium Glycinate 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 BulkSupplements L-Threonine Powder -Threonine Supplement, Amino Acid Supplem leads
- BulkSupplements L-Threonine Powder -Threonine Supplement, Amino Acid Supplem leads on ingredient fit (Δ ≈ 5 pts).
Where NOW Foods Magnesium Glycinate leads
- NOW Foods Magnesium Glycinate leads on transparency (Δ ≈ 20 pts).
Compare next
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- Life Extension Magnesium vs NOW Foods Magnesium Glycinate
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.