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Side-by-side comparison of 1 supplements

Mgt4.8

Magnesium L-Threonate

High safety

Evidence

Evidence Score4.8/10

Studies: 6

Meta-analyses: 0

Dosage & timing

Dosage:

~1.5-2g magnesium-L-threonate daily (≈144mg elemental magnesium), often split into two doses

Best Time:

Split through the day · with food (preferred)

Take with food

Form:

Magnesium L-threonate (Magtein)

What you'll notice

🧠 Memory/cognition45%

4-6 weeks

⚡ Reaction time35%

4-6 weeks

😴 Self-reported sleep35%

2-6 weeks

Safety

High safety

Contraindications:

Severe kidney impairment (magnesium accumulation risk)

Drug Interactions:

Certain antibiotics (tetracyclines, quinolones)
Bisphosphonates

Side Effects:

Headache/drowsinessGI upset

Works well with

Magnesium

complementary

Vitamin D3

complementary

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