both magnesium and potassium are used for many different biological reactions within the body and are vital for life. however just as other elements and vitamins there is a range that is important for functioning. too little and the body doesn’t function. too much can cause toxicity issues and side effects. dietary magnesium does not pose a health risk however pharmacologic doses of magnesium in supplements can promote adverse effects such as diarrhea and abdominal cramping when taken in excess. risk of magnesium toxicity increases with kidney failure when the kidney loses the ability to remove excess magnesium. very large doses of magnesium-containing laxatives and antacids have been associated with magnesium toxicity. symptoms for hyperkalemia or too much potassium include irregular heartbeat nausea and slow weak or absent pulse. ultimately too much potassium can stop the heart. certain medical conditions or medications raise your risk of developing problems from potassium so consult your doctor before taking supplements. it is important to take all medications prescriptions and supplements as directed. never take more than the recommended dose.
can you take too much magnesium or potassium?