Health WHO Different veggies provide different nutrition, so variety is key. But why does a juice work better? We'll look at carrots as an example. We can drink 10 carrots easily. And this is a great thing for a super-food like carrots, which provide the nutrition and building blocks for new skin cells, Health WHO new hair cells and healthy blood. On the other hand, you could never eat, digest and assimilate all the nutrition from the same 10 carrots. Our bodies can only digest so much at once, and that's if you chew all of the food until it becomes liquid in the mouth. Many of us simply don't have the time.