29. Increase Your Vitamin B12 Intake
Studies have shown that a number of people that suffer from frequent fever blister outbreaks tend to have B12 deficiencies. In order to lessen the chances of having constant cold sores appear, taking a B12 supplement can help make these outbreaks lessen in number. Aside from a supplement, you can also eat more Vitamin B12 foods like eggs, shellfish, beef and other dairy products. Just make sure to discuss this with your doctor to make sure that you are taking the right amount for your specific needs.
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