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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.
All nonprescription products are FDA approved to shorten the healing time of a cold sore. FACT: Currently, the only nonprescription healing product approved by the FDA to shorten both healing time and the duration of symptoms is AbrevaÂ® Cream when used at the first sign of a cold sore.*. *Median healing time 4.1 days.