I've used a B-complex along with Calcium. It doesn't need to be a high dose of B, and taking Vitamin D helps with the Calcium. All on a full stomach to absorb as much as possible.
...the B vitamins combat "stress" ...
B vitamins<br />
Ask a Naturopath
Vitamins E and take time out to meditate with the sounds of water like an ocean or birds singing....it relax the mind.
B6 or b100's L-theanine is good for nerves too =)