don't know much about supplements, or protein for that matter, from what I read last night i should say isolate, but concentrate works. vanilla works for flavor cause i'm gonna throw PB and choc and whatever else in it to beef up cal/pro... and i can grab 5lb of isolate and mix it in 1 scoop at a time if need be but i doubt i'll need to. won't need bulk on casein... and don't know jack about blends so... I'll keep it simple.
I no longer fear for myself. Now, I fear for you. The pain has tempered my body and my spirit and has steeled my resolve. I WILL succeed. I WILL win. However long it takes. Simply put, MY will is the stonger.