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Many folks eat high lysine foods prior to or during a cold sore event, and avoid high arginine foods. For many folks, healing cold sores fast has been as simple as taking 1,000 milligrams to 3,000 milligrams of lysine in capsule supplements during an outbreak. High lysine foods to eat are most meats and dairy products.
Cold Sore That Wonât Heal and Go Away: What Experts Say. eMedicineHealth claims that around 80% to 90% of people in the U.S. have been exposed to herpes simplex virus strain HSV-1, the virus that cause cold sore.