Safety timer

A novel safety timer for use with a baby bottle or the like comprises a timer portion and a band portion, where the band portion is reversibly retained on a baby bottle and holds the timer portion in a position suitable for use. The timer portion provides an indication of the status of the period of use during which the prepared formula is still considered to be safe to offer to the infant. The safety timer of the present invention may also include an identification tag to ensure the association of the baby bottle with a particular infant.