<prompt> tafadhali geuza maudhui haya ya swahili kwenda kwa kiingereza.watafiti walijumuisha watu wazima 64 na waliulizwa kuchukua kidonge kimoja cha ashwagandha kwa siku kwa siku 60.  <response>: researchers included 64 adults and were asked to take one capsule of ashwagandha per day for 60 days. 