Compare supplements
Put up to three ingredients next to each other. See where the evidence, dosing, timing, and tradeoffs differ.
Evidence
Strong evidence
Common protocol90–120 mcg/day total intake for adults——
Protocols mapped
1 goal-specific
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Timing
With a meal containing fat
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Expected effect
Days to months when intake or status is inadequate
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Primary uses
Watch for
Few effects at usual food-level amounts · Supplement formulation matters
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