liquid takes 2 hours, pills take 1/2 hour. The liquid lasts much longer (that's comparing the ones I have from 2 different companies). The liquid lasts at least 36 hours and the pills last closer to 20.LeeJunFan said:after you take it how long until it starts to work?
doublelongdaddy said:For me it can be up to 3 hours before it starts to work.