It's often called Kalium internationally. The atomic symbol is Ka.
Um actually it’s K.
(After the um actually quiz show)
You are right. I was half thinking of natium, Na.
*natrium
I take potassium capsules frequently and magnesium capsules whenever I smoke, which is occasionally. Both of them were effective and help me with reducing anxiety and relieving stress.
Po in the periodic system. At least for Americans ¯\_(ツ)_/¯
I sure hope you aren't consuming Po. It's usually only consumed by targets of Russian assassination.
A teaspoonful of Po in your tea, and all your problems with insomnia will be solved forever.