I own an Audi A4 2001 quattro so i want to know if slick 50 is ?

Can I use slick 50 engine treatment advanced formula 1 qt. ? I read the back of it and it didn't have the word audi anywhere on it.I own an Audi A4 2001 quattro so i want to know if slick 50 is ?Additives like Slick 50 are not recommended. Just keep on changing the oil with SYNTHETIC, and use a good filter, like MAN, and all will be well. However, you can use SeaFoam prior to your oil change to clean any gunk out.