I have a beautiful fourteen week old yorkie. She seems healthy and has gained three ounces in the past couple of weeks. She is a very picky eater, and we have tried several different kibbles and canned food. Once in about every three days she seems to eat well, usually Halo or Merrick. I am wondering if I should be supplementing her with Nutra Cal? I am trying not to encourage her poor eating habits but want to make sure she is getting what she needs. Any advise would be greatly appreciated.

Gabby weighs 2lbs 6 ounces.