This is actually my second time trying Devrom. The first time I tried it the results were not very good, but on a whim I decided to give it another go. I am so glad I did because this time it's working great!! One thing I'm doing differently this time is that I take three capsules first thing in the morning on an empty stomach as opposed to taking it at random times during the day after eating, which is what I was doing the first time. I also took a double-dose for the first 2-3 days (which is a little more than the daily recommended dosage) to help it build up in my system. So I took 3 capsules first thing in the morning and then another 2 capsules in the afternoon, again on an empty stomach. I have not noticed any side effects from using this product. I have experienced excessive gas for many years with various products seeming to help for a few weeks and then suddenly not working anymore. I have tried so many products that seem to help for a time and then just stop working for whatever reason. I think I may have a candida problem which is a nightmare to get rid of from what I've read. At any rate Devrom is helping me to get through the days when the gas is really out of control. I thank God for this product and hope they never discontinue it!!! I am seriously considering stockpiling it just in case it ever goes off the market. :) The only down side is that it doesn't seem to help with gas resulting from dairy products, so I have to be careful about what I eat. I don't have a problem with foods that contain a little nonfat dairy, but drinking milk or eating cheese causes major problems, even though I take Schiff's Lactose Intolerance enzymes daily. It also seems to take a few days to start working properly again if I consume too much dairy, so I double up on the double dosage again to help get things back on track.