Compare supplements
Put up to three ingredients next to each other. See where the evidence, dosing, timing, and tradeoffs differ.
Evidence
Limited evidence
Common protocol220–1,100 mg/day extract across trials——
Protocols mapped
1 goal-specific
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Timing
Evening or divided
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Expected effect
Study-specific; commonly several weeks
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Primary uses
Watch for
Allergic reactions · Drowsiness
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