The AAP recommends against routine use of cereal in bottles, because it can be a choking hazard and may lead to excessive weight gain. Use of cereal as a thickening agent can cause a change in stool consistency and result in constipation.  Consumers should not put Else Super Cereal into a bottle unless directed by a healthcare professional.
Prevalence and Parental Perceived Efficacy of Rice Cereal in Bottles Used as a Natural Sleep Aid for Infants Aged 0-11 Months | Pediatrics | American Academy of Pediatrics (aap.org)