Side by side

Compare supplements

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

Supplement 1Supplement 2Supplement 3

Measure

Add a supplement

Evidence

Insufficient evidence

Common protocol25–50 mg/day used on labels; no established effective dose——

Protocols mapped

1 goal-specific

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Timing

Evening on product labels

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Expected effect

Study-specific; commonly several weeks

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Primary uses

Sleep claimsFlavonoid researchCell-signaling research

Watch for

Drowsiness · Stomach upset

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