1.   He also knew about Ruby, codename for a project to develop a fat substitute based on corn syrup.

2.   And until that is better understood, he said, fat substitutes may meet with only limited success.

3.   A new fat substitute is called Z-trim.

4.   But during its brief voyage through the body, the fat substitute can rob the body of nutrients as well as cause illness, Olestra criticism says.

5.   But finding a tasty, natural fat substitute with the right mouthfeel has been difficult.

6.   Experts today were guarded in their support for the fat substitute.

7.   He should err on the side of safety and block use of this fat substitute until the remaining doubts are resolved.

8.   It may produce gastrointestinal problems, and products containing the fat substitute must carry a warning label saying so.

9.   Olestra is a fat substitute the company has developed that has been approved for use in salty snack foods.

10.   Other milks made with fat substitutes are sold in select markets around the country.