20 Natural Remedies for a Cold Sore
Orange Juice
Orange juice, or any other good source of vitamin C, is a good way to keep your immune system strong and healthy. And while it might not have a direct effect on cold sores, a healthy immune system means that you'll be able to deal with them more quickly and effectively when they do show up.
And best of all--there's no shortage of ways to incorporate orange juice or other high-vitamin C foods into your diet!
