US cereal maker Kellogg has said it is considering changing the formula of some of its products, in particular its Keebler cookies, in order to reduce fat content.

"We would do the products that have the highest exposure, and that contain the highest levels of fat," CEO Carlos Guterriez told Reuters in an interview. "That would lead us potentially toward cookies, because that's probably really the only area where we're looking at higher fat content."

He added that many of Kellogg's other products, such as cereals and cereal bars, already have a relatively low fat content.

Kellogg, which this week reported a 17% rise in second-quarter earnings, also raised its 2003 earnings guidance to between US$1.88 and $1.90 per share, compared to a previous outlook of $1.86 to $1.90 per share.