Certain types of cooking, such as boiling, can destroy the potassium in some foods. Potassium supplements are sold as tablets, liquids and powders. At higher doses, potassium supplements require a prescription. As with any supplement, keep potassium supplements in a cool, dry place, away from humidity and direct sunlight. Side-effects. At normal doses, potassium is fairly safe. It may cause an upset stomach, nausea or diarrhoea.
promissory note A written document in which a borrower agrees (promises) to pay back money to a lender according to specified terms. A written promise to pay a certain sum of money, at a future time, unconditionally.
Legitimate promissory notes are a form of debt that. is similar to a loan or even an IOU. Companies issue. these notes to finance any aspect of their business, from launching new products to repaying more. expensive debt.