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This naturally occurring mixture of the plant chemicals sterols and ferulic acid esters has proved effective for reducing menopausal symptoms in 40 perimenopausal women, taken at a dose of 300 mg/day for four to eight weeks (Nippon Sanka Fujinka Gakkai Zasshi, 1982; 34: 243-51)
The team reviewed 52 trials to evaluate the efficacy of antivirals for influenza in healthy adults, but could find "no credible evidence" for the effects of Relenza (zanamivir) and Tamiflu (oseltamivir) on avian influenza or pandemic influenza viruses