Medically reviewed by Erika Prouty, PharmD Key Takeaways Vitamin B12 is generally safe, but rare reactions like allergies or ...

Potassium binders are medications that can help reduce the amount of potassium in your blood. Too much potassium can cause dangerous side effects. Your body needs potassium for healthy cell, nerve, ...

There's some evidence that too little potassium-- a nutrient in foods like bananas, squash, and potatoes -- might have a link to diabetes. The reason for the connection: The role of insulin in type 2 ...