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Compare supplements

Put up to three ingredients next to each other. See where the evidence, dosing, timing, and tradeoffs differ.

Measure
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Evidence
Limited evidence
Common protocol2 g/day magnesium L-threonate (145 mg elemental magnesium)——
Protocols mapped

2 goal-specific

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Timing

Split morning/evening or evening-only, according to the studied protocol

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Expected effect

3–6 weeks in recent trials

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Primary uses
Cognition researchSleep researchMagnesium intake
Watch for

Loose stools · Dry mouth

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