On the tin it says that babies over 4 months old should have 4 feeds of 7oz per day, i.e. 28oz in total. I had thought that the general rule of thumb (for standard formula milk at least) was around 2.5oz per pound of weight for a baby not yet on solids. My DD is quite light at 14lbs, but even that would imply 35oz of formula per day. Does anyone know if there is a reason why Nutramigen is different?