 Then you have your five-carbon sugars like ribose and xylitol. Then you have four-carbon sugars, and there's some three and some two-carbon sugars. But your body needs all of those sugars. And, I mean, even one of the five-carbon sugars is ribose, you know, deoxyribonucleic acid. That's one of the sugars that make up your DNA. But we need all of those sugars. And in our diets –