There are a lot of products that have warning labels about not taking products if you are pregnant or on certain types of medication. Now, I am not a doctor and I would check with yours first but I think acai colon cleanse is safe for anyone to use. It is made up of all natural ingredients that the body uses to clean itself out so I don’t see what could be possibly harmful about it. I guess maybe a person that has had colon problems in the past would want to check with their doctor before they used it just in case.