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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

Limited evidence

Common protocol100–150 mg/kg acutely in stress studies——

Protocols mapped

1 goal-specific

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Timing

30–90 minutes before the acute stressor

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Expected effect

Study-specific; commonly several weeks

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Primary uses

Acute stress researchSleep-deprivation researchCold-exposure research

Watch for

Nausea · Headache

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