Also should you’re having an outbreak then take heed to the L-Arginine to L-Lysine ratio in your eating regimen you possibly can look online for charts with the ratio of L-Lysine to L-Arginine in several meals. I do know that I have not had a cold sore since taking these. I’ve been taking a special lysine product (1000 mg day by day). That is THE ONLY lysine product I use regularly