For chronic and severe canker sores. 1 pill a day to aid in prevention. 2 pills a day during a canker sore breakout.
 
Stronger, faster, and more effective
The Canker Spanker was reformulated to provide faster healing when taken at any time during a canker sore breakout.
 
The Canker Spanker Severe can also be taken daily to aid in the prevention of canker sore breakouts.
 
Individual results vary.