RS1 resistant starch is obtained from whole oats, but not from instant oatmeal, as processing diminishes its resistant starch content.

“Uh, whereas RS1 you you're going to get in in a in a whole uh oat. U by the way, you're not going to get that in an instant oatmeal. So, I just um worth making that point here. If you process the heck out of oats, you you sort of lose this capacity.”