Hi...as above...my mother in-law and parent asked mi to feed my baby rice cereal when he is 4mths old...Is it ok?Where do i buy those rice cereal that is suitable for him?Which brand is better?Can i give him eat those Heinz pureed that are sold at supermarket?As i am a 1st time mum and as well i am quite young and is taking care of the baby myself but doesn't know wat to do...help....