Thanks!
So would this be alright? And how much would I add to their food or water?
http://www.amazon.com/Barry-Farm-Brewers-Yeast-lb/dp/B00129FVZC/ref=sr_1_8?ie=UTF8&qid=1345321637&sr=8-8&keywords=brewers+yeast
http://www.amazon.com/Manna-Pro-Non-Medicated-Chick-Starter/dp/B003AEXOEW/ref=sr_1_3?ie=UTF8&qid=1345310071&sr=8-3&keywords=chick+starter
Can't seem to find any reviews on it, besides one saying it doesn't contain niacin.
Has anybody here personally used this?