Happy to hear about the color improvement on her comb! A good feed is important, which type did you decide upon? — We just switched to Kalmbach feeds and the girls eat it like crazy and it smells fantastic, like a home cooked meal… it makes me hungry LOL!
I do like using supplemental vitamins. It’s definitely a personal choice some caretakers believe in them some don’t believe they are necessary, but I like to use them on occasion. Like I mentioned before, I prefer Poultry Cell I just add a little to their daily water every couple of weeks or more if there’s a particular stressor like a cold snap.