Also in case you're having an outbreak then be conscious of the L-Arginine to L-Lysine ratio in your weight loss plan you possibly can 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 special lysine product (1000 mg each day). That is THE ONE lysine product I exploit on a regular basis