B12 and folic acid treatments
December 16, 2009 on 6:23 am | By admin | In HealthResearchers have found that the ratio of the amino acids arginine and lysine plays an important part in controlling cold sores. Diet may be another culprit. If the sores last longer than two weeks or occur frequently, it is advisable to see your healthcare provider. Without some of the treatments listed below cold sores may last from 10-14 cold sores on lips days. This research also suggested taking B complex supplements with emphasis on the B12 and folic acid. B12 the condition improved rapidly. Medical research in England found that many people with cold sores were low in B12, and that by adding 250 mcg.