K.W.
Our pediatrician told us to feed our 4 month old cereal 1x a day for the first week and then bump him up to 2x per day, 1 - 2 tablespoons per feeding, mixed with his formula. So, we mix 2 tbsp with 1 oz of formula and I let him determine how much of it he actually eats. If he starts fussing or spits it out before he's done then we just stop and switch to the bottle. He's doing really well with it, and contrary to all the advice about constipation, it's actually regulated his bowel movements. He used to only have a movement about once every 3 or 4 days. Now that he's eating the cereal he's having one every day to every other day. :)