The label on the bottle reads "potassium Plus Iodide", which means this is potassium with a small amount of iodide. The seller has written in the product description that this "Potassium Iodide Plus", suggesting that the word "Plus at the end makes it better or something of that nature. This can be very misleading. In the case that you dobuy real potassium iodide, here is what you should know.
Potassium Iodide is Not a supplement/substitute for Sodium Chloride (table salt). Potassium Iodide should only be taken when instructed to do so by official health warnings (in case of radiation exposure). Medically it is only used as a supplement if you are Iodide deficient not "potassium" deficient. If you want extra potassium in your diet or something to add to your shake, try eating a banana. Bananas contain very high levels of potassium. Here is a link to vitamin shoppe for Potassium Iodide:
[...]
On the Vitamin Shoppe page for real potassium Iodide you will see the warnings / instuctions for taking Potassium Iodide.