vitamins
Yes, you can crush regular vitamins instead of getting the chewables. I'm sure they're not going to taste very well, but you can always "hide" them in a drink of some kind. I used a product called "carb countdown". It was in my local grocery store in the milk area, but more by the soy milk products. They have a chocolate flavored one that is very tasty. To top it off, it has 12 grams of protein per cup!
Good luck!