What is potassium 99mg? The Truth About Over-the-Counter Supplements
                                
                                
                                •
                                
                                
                        
                                    
                                    5 min read                                
                            
                                The US Food and Drug Administration (FDA) typically restricts the amount of potassium in over-the-counter oral supplements to no more than 99 mg per dose. This crucial regulation exists as a safety precaution, addressing potential health risks associated with excessive intake, and is the reason behind the common product labeling that prompts the question: 'What is potassium 99mg?'