Jarrow Formulas MagMind Magtein vs Thorne Magnesium Bisglycinate
Verdict: Jarrow MagMind Magtein outperforms for cognitive goals with Magtein's documented blood-brain barrier penetration (per Healthline magnesium reviews), but Thorne Magnesium Bisglycinate provides superior elemental dose and GI tolerance (200 mg vs 144 mg per WebMD supplement guides). Thorne wins overall for most users seeking daily magnesium support due to higher dosing and brand purity standards cited in ConsumerLab testing summaries.
How we scored it
Spec verificationOwner sentimentLive pricing (4h refresh)Editorial review
Our methodology
Winner: Thorne Magnesium Bisglycinate
Jarrow Formulas MagMind Magtein: 7.5/10
Thorne Magnesium Bisglycinate: 8/10
Spec-by-spec comparison
| Jarrow Formulas MagMind Magtein | Thorne Magnesium Bisglycinate | |
|---|---|---|
| magnesium_form | Magnesium L-Threonate (Magtein) | Magnesium Bisglycinate |
| elemental_magnesium | 144 mg per 3 capsules | 200 mg per 2 capsules |
| serving_size | 3 capsules | 2 capsules |
| bioavailability_focus | Crosses blood-brain barrier | High absorption, gentle on stomach |
Jarrow Formulas MagMind Magtein
What works
- Targets cognitive function and memory per Magtein research
- May support sleep quality and mood
- Unique threonate form for brain uptake
What doesn't
- Lower elemental magnesium dose than standard forms
- Requires 3 capsules per serving
Thorne Magnesium Bisglycinate
What works
- Higher elemental magnesium per serving
- Well-tolerated with minimal GI side effects
- Supports muscle relaxation and sleep
What doesn't
- Less targeted for brain-specific benefits
- Standard glycinate form available from many brands
Bottom line
Our pick: Thorne Magnesium Bisglycinate.
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