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Compare supplements

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

Supplement 1Supplement 2Supplement 3

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Evidence

Moderate evidence

Common protocol200–400 mg/day elemental magnesium——

Protocols mapped

2 goal-specific

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Timing

With food; evening is often preferred

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Expected effect

Days to weeks when intake is inadequate

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Primary uses

Deficiency supportMuscle functionSleep support

Watch for

Diarrhea · Abdominal cramping

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