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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
Add a supplement
Add a supplement
Evidence
Insufficient evidence
Common protocol5–25 mg/day studied; no established effective longevity dose——
Protocols mapped

1 goal-specific

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Timing

Any consistent time

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Expected effect

Study-specific; commonly several weeks

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Primary uses
Healthy-aging researchOxidative-stress researchErgothioneine status
Watch for

Human safety data remain limited at concentrated doses

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