High potassium content foods are prunes, avocados, beans, banana, squash, spinach, fish and citrus juices. Potassium citrate is a urinary alkalinizer. It used to prevent certain types of kidney stones. It works by making urine more alkaline. Let say ingesting potassium citrate very healthy with many proven benefits. Such as control high blood pressure, stroke, osteoporosis, gout, arrhythmia. What form of potassium citrate would you take?