Ask the Doctor: Question: My teenage daughter seems sluggish and has skin blemishes. It is hard to get her to eat properly, but what supplements could I give to her? Being a teenager is work; they are learning not only what is taught in school but tremendous life lessons. Unfortunately, diet is usually not a priority so supplementation can be ( simple) and essential. We are smoothie drinkers in our house which I appreciated when my kids were young and now again, as they are tweens and teenagers; I can hide things in smoothies! Below are a few supplements I have my kids take regularly. For a vitamin…