In many countries, food authorities limit potassium in over-the-counter supplements to 99 mg, which is much less than you can get from just one serving of the potassium-rich foods above.
There is no magic food for a hangover cure ... 13% for magnesium, and 20% for potassium. Spinach is rich in folate, a nutrient that diminishes due to heavy drinking. Alcohol impairs folate ...