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A-F grade per outcome, combining overall evidence with goal-specific relevance. A = strong evidence; F = insufficient. Hover a badge for details.
250–450 mg standardized extract OR 1.25–2.5 g dried calyx per serving (as tea)
With meals · with food
Standardized extract capsule (anthocyanins ≥10%)
1000mg
With meals · with food
Cold-pressed softgel capsule
4–6 weeks
6–8 weeks
Acute to 2 weeks
4-12 weeks
8-12 weeks
6 weeks
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