i noticed sugar free gum says on the box that it has calories i dont understand how does that work its not like im eating it.
THE MOMENT OYU PUT SOMETHING INTO YOUR MOUTH IT ENTERS YOUR BODY ALREADY
If you put whey protein in your mouth and dont "eat" them and just spit it out you will still add some protein to your system.
Did you ever go to school?
Can you fucking watch a 10 min video on how your body works or something.
How do you live with yourself being that dumb?
It's probably using that artificial sweetener that tastes good but gives you diarrhea in large amounts. It still contains calories and your body is capable of digesting them, the only thing that changes is that the bacteria in your mouth are terrible at digesting the stuff.