~cheese, avocados, flax seed, to name same very different options.
I chose not to go on ant-depression meds because the blues don't last.
For anxiety you can also meditate, do yoga, write, take long walks, pray, do positive affirmations, whatever works for you.
Personally, I find thinking, or writing down exactly what is bothering me, looking it directly in the eye, helps. When I can identify it, it's power over me decreases.