Both of my children suffered from acid reflux.  After changing the formula and the bottle it resolved their problems.  I tried many, many bottles on the market and this one was one of my favorites!  It has the least amount of bubbles which causes the gas build-up in babies.  My children's pediatrician recommended the Dr. Brown's Natural Flow Baby Bottle to me when my son was born and it's one we kept around for my daughter who was born 17 months later.  They were also very picky with the nipples on the bottles and this one seemed to be their favorite.  My only issue was that I had to buy...