Id say that chocolate milk may have the most potassium of them all. Water does not have any nutritional content (though it is still important). Juice overall will vary, milk does have a high amount of potassium but the added chocolate syrup does add some more.
I don’t know actually it’s hard
For a family of four, a first aid kit would include scissors. A multi-purpose tool would come handy, but is not necessary. Rubbing alcohol is out of the ordinary, and barbiturates are a type of drug unneeded in a first aid kit.
It can compromise oxygen and nutrient delivery to muscles which can cause cramps.