Additionally in the event you’re having an outbreak then take heed to the L-Arginine to L-Lysine ratio in your food regimen you may look online for charts with the ratio of L-Lysine to L-Arginine in different foods. I do know that I’ve not had a cold sore since taking these. I have been taking a distinct lysine product (1000 mg daily). This is THE ONE lysine product I use regularly