Canker sores can be caused by many things. It can be stress, allergies, toothpaste/mouthwash or nutritional problems. It can hard to determine what exactly is causing these annoying little sores. But there's a couple of simple things you can change. Consider chaning to a natural toothpasre and mouthwash. Stay away from citrus and acidic foods like lemons and stawberries. Also, consider taking our Immune Formula as recurring canker sores may also be caused by a weakened immune system.
Immune Formula