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Evidences for health benefits of horsetail extracts/powder


Dose, duration

Overall conclusions


Diuretic effect

900 mg/day of standardized dried extract of E. arvense on 36 healthy male

The E. arvense extract produced a diuretic effect that was stronger than that of the negative control and was equivalent to that of hydrochlorothiazide without causing significant changes in the elimination of electrolytes

(Carneiro, Freire, Honorio, Zoghaib, Cardoso, Tresvenzol, et al., 2014)

Rheumatoid arthritis (RA)

Horsetail mixture of 60 patients with RA

Horsetail mixture has remarkable curative effect on rheumatoid arthritis, and its clinical application is safe and reliable

(Jiang, Qu, Li, Miao, Li, & Cai, 2014)

Urinary tract infections (UTIs)


Effective anti-biofilm activity due to uropathogenic Escherichia coli and antimicrobial activity

(Wojnicz, Kucharska, Sokol-Letowska, Kicia, & Tichaczek-Goska, 2012)