In a clinical trial, four stool samples were collected from participants at baseline, day 30, day 90, and after a 30-day washout period to assess microbiome changes.

“actually in that trial we did do we took we got four stool samples from people during the trial so one yeah Baseline um I think it was like 30 days in after the 90day mark and then we did a wash out period so you went for a month without taking anything and then we got a stool sample”