If it's the danger you're wondering about, it might depend on how your body handles the chloride part. In my case, it raises my stomach acid so high that I have burning pain. I believe one of the reasons that sustained-release potassium chloride was developed was to help avoid ulcerating the stomach lining. Everybody's different, though, and some might welcome extra stomach acid. Basic directions for taking it include drinking plenty of water with it and taking it with food.