This is a test of commonsense. Complete the next sentence:

How to get potassium nitrate
Make your way to a local drugstore or pharmacy.
You'll have the most luck finding potassium nitrate supplements at a store that specializes in body building supplements, like gnc. Potassium nitrate is sometimes used for athlete enhancement.
Locate the supplements section if you've gone to a pharmacy. If you're in a pharmacy or drugstore, go to the supplements section and look for a potassium nitrate supplement.