Evivo gave us relief. We started giving evivo to our almost 5 week old baby because he had gas problems and cried furiously a lot. We saw some difference after 3 days. First dose was spit up almost fully so you could say after 2 days really. After a week or so our baby stopped that kind of uncomfortable cry for good. His pooping habits changed from having every diaper dirty to two or three a day. No discomfort when pushing gas or bm. Poop is a little greenish and smells different but I am so happy we decided to try evivo for our precious bundle of love.