Ok guys the description on the ring of Erudite says that it increases magicka regen but not by how much. I've heard that it doubles the speed but can anyone confirm this? I also want to know if this effects enchanted gear so that by wearing gear that regenerates magicka 50% faster will I achieve normal magicka regeneration during the day as a vampire? Thanks in advance.

Im not sure how much it increases, but I can tell you that other equipment doesnt work in VL form

That fine as I won't be using it much. I'm more interested in if in my "human" form if the ring of erudite will increase my magicka regen when stacked with other magicka regen gear.

yes it works with your human form. and Im pretty sure it stacks. I dont use it though as I have better stuff. so Experiment with it and see