Critical analysis of Echinacea preparations marketed in Germany.

Naunyn Schmiedebergs Arch Pharmacol · 2025 · PMC11985562 · PMID 39607548

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a positive trendno p-value reported

Overall, 53% of the examinations showed a positive trend (44% treatment and 9% prevention studies), and no effect was found in 42% of the studies (13% for treatment and 29% for prevention studies).

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