Also if you're having an outbreak then be conscious of the L-Arginine to L-Lysine ratio in your diet you may look online for solicitor law firm charts with the ratio of L-Lysine to L-Arginine in different foods. I do know that I have not had a chilly sore since taking these. I have been taking a distinct lysine product (1000 mg day by day). This is THE ONLY lysine product I take advantage of regularly