N.W.
It took me a while to get him to move from a bottle to a Sippie cup but I just broke down and gave him a bottle once a day (night time is best) and had him drink from a sippie cup through the day. I don't know about the smell with the vitamins or what not, you might want to ask the peiditrician about that. I had trouble with the sippie cup but I had to buy sippie cups that had a plastic top so that way he thought it was a bottle but other than that he was not that hard to transfer from a bottle. They have some sippie cups that have clear see through sippie lids that look like a sippie cup top but also feel like a bottle to the mouth. Have you tried those.