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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
Limited evidence
Common protocol4–12 mg/day astaxanthin——
Protocols mapped

1 goal-specific

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Timing

With a meal containing fat

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Expected effect

Study-specific; commonly several weeks

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Primary uses
Skin researchEye-fatigue researchOxidative-stress markers
Watch for

Stool color change · Digestive upset

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